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Dynamic Programming problems
Problem Name Online Judge Year Contest Difficulty Level
1 DIE HARD Categories SPOJ 1
2 Pearls Categories Live Archive 2002 Europe - Northwestern 1
3 Longest Palindrome Categories UVA 1
4 Easy Longest Increasing Subsequence Categories SPOJ 1
5 Luggage Categories UVA 1
6 To the Max Categories PKU 1
7 New Year and Hurry Categories Codeforces Good Bye 2016 1
8 Tri graphs Categories SPOJ 1
9 Tile Code Categories Live Archive 2007 Asia - Seoul 1
10 Lucky Tickets Categories Timus 1
11 Sereja and Suffixes Categories Codeforces Codeforces Round #215 (Div. 2) 1
12 Space Elevator Categories PKU 1
13 Boredom Categories Codeforces Codeforces Round #260 (Div. 1) & Codeforces Round #260 (Div. 2) 1
14 Prime Permutations Categories CodeChef 1
15 Treats for the Cows Categories SPOJ 1
16 Collecting Beepers Categories UVA 1
17 Soft Drinking Categories Codeforces Codeforces Round #107 (Div. 2) 1
18 Bytelandian gold coins Categories SPOJ 1
19 Seinfeld Categories SPOJ 1
20 Grandpa's Walk Categories Live Archive 2012 Asia - Jakarta 1
21 Testing the CATCHER Categories UVA 1
22 Magic Grid Categories SPOJ 1
23 Coins Game Categories SPOJ 1
24 The Great Ball Categories SPOJ 1
25 Hangover Categories PKU 1
26 Pilots Categories SPOJ 1
27 Non-Decreasing Digits Categories SPOJ 1
28 Rent your airplane and make money Categories SPOJ 1
29 Optimal Array Multiplication Sequence Categories UVA 1
30 Cutting Sticks Categories UVA 1
31 Maximum Sum Categories UVA 1
32 The Twin Towers Categories UVA 1
33 Alphacode Categories Live Archive 2004 North America - East Central NA 1
34 Unidirectional TSP Categories UVA 1
35 Binary Lexicographic Sequence Categories Timus 1
36 Let Me Count The Ways Categories UVA 1
37 The Knapsack Problem Categories SPOJ 1
38 Perfection Categories UVA 1
39 Alphacode Categories SPOJ 1
40 Fibonacci Words Categories Live Archive 2012 World Finals - Warsaw 1
41 Number of Ways Categories Codeforces Codeforces Round #266 (Div. 2) 1
42 Scientific Conference Categories Timus 1
43 Longest Common Subsequence Categories UVA 1
44 Cut Ribbon Categories Codeforces Codeforces Round #119 (Div. 2) 1
45 Tiling a Grid With Dominoes Categories SPOJ 1
46 Pocket Money Categories SPOJ 1
47 Distinct Subsequences Categories SPOJ 1
48 Mashmokh and ACM Categories Codeforces Codeforces Round #240 (Div. 1) & Codeforces Round #240 (Div. 2) 1
49 Feynman Categories SPOJ 1
50 SuperSale Categories UVA 1
51 Fence Categories Codeforces Codeforces Round #211 (Div. 2) 1
52 Blueberries Categories SPOJ 1
53 Training for final Categories SPOJ 1
54 Trip Categories SPOJ 1
55 Chocolate Categories SPOJ 1
56 Philosophers Stone Categories SPOJ 1
57 Chop Ahoy! Revisited! Categories SPOJ 1
58 23 out of 5 Categories UVA 1
59 Vacation Categories UVA 1
60 Forming Quiz Teams Categories UVA 1
61 The Tower of Babylon Categories UVA 1
62 Exponentiation Categories PKU 1
63 Milliard Vasya's Function Categories Timus 1
64 Histogram Categories SPOJ 1
65 Take the Land Categories UVA 1
66 Divisibility Categories UVA 1
67 Piggy-Bank Categories SPOJ 1
68 Before an Exam Categories Codeforces Codeforces Beta Round #4 (Div. 2 Only) 1
69 Mixtures Categories SPOJ 1
70 Help the soldier Categories SPOJ 1
71 K-based Numbers. Version 2 Categories Timus 1
72 Cleaning Robot Categories SPOJ 1
73 Permutations Categories SPOJ 1
74 Given Length and Sum of Digits... Categories Codeforces Codeforces Round #277.5 (Div. 2) 1
75 Membership Management Categories Live Archive 2010 Asia - Tokyo 1
76 Twin Primes Categories UVA 1
77 Is Bigger Smarter? Categories UVA 1
78 Bee Walk Categories SPOJ 1
79 Dollars Categories UVA 1
80 Chat room Categories Codeforces Codeforces Beta Round #54 (Div. 2) 1
81 Aliens at the train Categories SPOJ 1
82 Black or White Categories SPOJ 1
83 Stacking Boxes Categories UVA 1
84 The 3n + 1 problem Categories UVA 1
85 Ultra-Fast Mathematician Categories Codeforces Codeforces Beta Round #57 (Div. 2) 1
86 Binary Search Tree Categories Live Archive 2010 Asia - Daejeon 1
87 In Danger Categories SPOJ 1
88 History Grading Categories UVA 1
89 Prime Digital Roots Categories Live Archive 2001 South Pacific 1
90 Divisibility by Eight Categories Codeforces Codeforces Round #306 (Div. 2) 1
91 DNA Sequences Categories SPOJ 1
92 Ilya and Queries Categories Codeforces Codeforces Round #186 (Div. 2) 1
93 Square Brackets Categories SPOJ 1
94 Homer Simpson Categories UVA 1
95 Flowers Categories Codeforces Codeforces Round #271 (Div. 2) 1
96 ShorterSuperSum Categories TopCoder SRM 467 - Div2 easy] (14151) 1
97 Dreamoon and WiFi Categories Codeforces Codeforces Round #272 (Div. 2) 1
98 Watermelon Categories Codeforces Codeforces Beta Round #4 (Div. 2 Only) 1
99 Kuriyama Mirai's Stones Categories Codeforces Codeforces Round #248 (Div. 2) 1
100 T-primes Categories Codeforces Codeforces Round #142 (Div. 2) 1
101 Strategic Defense Initiative Categories UVA 1
102 Maximum Sum Categories Timus 1
103 Joysticks Categories Codeforces Codeforces Round #345 (Div. 2) 1
104 Adjacent Bit Counts Categories SPOJ 1
105 k-Tree Categories Codeforces Codeforces Round #247 (Div. 2) 1
106 The jackpot Categories UVA 1
107 Bridging signals Categories Live Archive 2003 Europe - Northwestern 1
108 Phidias Categories SPOJ 1
109 Largest Submatrix Categories UVA 1
110 Making Change Categories TJU 1
111 A+B Problem Categories PKU 1
112 K-based Numbers Categories Timus 1
113 Party Schedule Categories SPOJ 1
114 Jill Rides Again Categories UVA 1
115 Square Country Categories Timus 1
116 Army Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 1
117 Fibonacci Freeze Categories UVA 1
118 Cross-country Categories SPOJ 1
119 Equal Sum Sets Categories Live Archive 2013 Asia - Aizu 1
120 Martian Mining Categories SPOJ 1
121 No Change Categories SPOJ 1
122 ABC Path Categories SPOJ 1
123 Quasi Binary Categories Codeforces Codeforces Round #300 1
124 Candy Categories SPOJ 1
125 Distinct Subsequences Categories UVA 1
126 Candy Categories Live Archive 2008 Latin America - South America 1
127 Longest Run on a Snowboard Categories UVA 1
128 Sums in a Triangle Categories SPOJ 1
129 Ingenuous Cubrency Categories UVA 1
130 Binary Apple Tree Categories Timus 1
131 Robot Instructions Categories UVA 1
132 Tower of Babylon Categories SPOJ 1
133 Hotels Along the Croatian Coast Categories SPOJ 1
134 Palindrome 2000 Categories SPOJ 1
135 Sweet and Sour Rock Categories SPOJ 1
136 Metro Categories Timus 1
137 Sum of Digits Categories SPOJ 1
138 0110SS Categories SPOJ 1
139 BLAST Categories SPOJ 1
140 Fishmonger Categories SPOJ 1
141 Save Thy Toys Categories SPOJ 1
142 Scuba diver Categories SPOJ 1
143 Cormen --- The Best Friend Of a Man Categories Codeforces Codeforces Round #377 (Div. 2) 1
144 Wedding shopping Categories UVA 1
145 Tiling Up Blocks Categories Live Archive 2003 Asia - Kaohsiung 1
146 Two Ends Categories SPOJ 1
147 Wachovia Bank Categories SPOJ 1
148 Omar Categories A2 Online Judge 1
149 Aibohphobia Categories SPOJ 1
150 Enormous Input Test Categories CodeChef 1
151 Getting in Line Categories UVA 1
152 Flipping Game Categories Codeforces Codeforces Round #191 (Div. 2) 1
153 Kefa and First Steps Categories Codeforces Codeforces Round #321 (Div. 2) 1
154 Summing to a Square Prime Categories SPOJ 1
155 Sums in a Triangle Categories CodeChef 1
156 Activities Categories SPOJ 1
157 Woodcutters Categories Codeforces Codeforces Round #303 (Div. 2) 1
158 The Bale Tower Categories TJU 1
159 Rectangles Perimeter Categories SPOJ 1
160 XOR Maximization Categories SPOJ 1
161 BerSU Ball Categories Codeforces Codeforces Round #277.5 (Div. 2) 1
162 THE DRUNK JAILER Categories PKU 1
163 The Double HeLiX Categories SPOJ 1
164 Two Substrings Categories Codeforces Codeforces Round #306 (Div. 2) 1
165 Roads Categories SPOJ 1
166 Can you answer these queries I Categories SPOJ 1
167 Dividing coins Categories UVA 1
168 Staircases Categories Timus 1
169 How do you add? Categories UVA 1
170 Fool the Police Categories SPOJ 1
171 Compromise Categories UVA 1
172 Flags Categories Timus 1
173 Coin Change Categories UVA 1
174 Positive or Negative Categories A2 Online Judge 1
175 Vertex Cover Categories SPOJ 1
176 Trip Planning Categories Live Archive 2008 Asia - Taipei 1
177 COSTLY CHESS Categories SPOJ 1
178 Assignments Categories SPOJ 1
179 Puzzles Categories Codeforces Codeforces Round #196 (Div. 2) 1
180 Building Bridges Categories SPOJ 1
181 MAXIMUM WOOD CUTTER Categories SPOJ 1
182 Drazil and Factorial Categories Codeforces Codeforces Round #292 (Div. 2) & Codeforces Round #292 (Div. 1) 1
183 LATGACH3 Categories SPOJ 1
184 Edit distance Categories SPOJ 1
185 Cheap Travel Categories Codeforces Codeforces Round #266 (Div. 2) 1
186 Balancing the Stone Categories SPOJ 2
187 String Partition Categories UVA 2
188 Partition Categories SPOJ 2
189 Tourist Categories SPOJ 2
190 Motoboy Categories URI 2
191 DZY Loves Sequences Categories Codeforces Codeforces Round #255 (Div. 1) & Codeforces Round #255 (Div. 2) 2
192 Jugs Categories UVA 2
193 Interesting number Categories SPOJ 2
194 Shopping Categories Live Archive 2014 Asia - Tokyo 2
195 Nested Dolls Categories SPOJ 2
196 Tight Words Categories UVA 2
197 Bicolored Horses Categories Timus 2
198 Dice Categories SPOJ 2
199 Maximum Sub-sequence Product Categories UVA 2
200 Geometric Progression Categories Codeforces Codeforces Round #Pi (Div. 2) 2
201 Menu Categories SPOJ 2
202 Kyoya and Colored Balls Categories Codeforces Codeforces Round #309 (Div. 1) & Codeforces Round #309 (Div. 2) 2
203 Optimal Binary Search Tree Categories UVA 2
204 Drop the Triples Categories Live Archive 2007 Latin America - South America 2
205 New Year and Domino Categories Codeforces Good Bye 2015 2
206 String Shuffle Categories SPOJ 2
207 Pebble Solitaire Categories UVA 2
208 Tetrahedron Categories Codeforces Codeforces Round #113 (Div. 2) 2
209 Travelling Salesman Categories UVA 2
210 Diving for Gold Categories UVA 2
211 Deliver pizza Categories SPOJ 2
212 Leaves Categories SPOJ 2
213 Polo the Penguin and Matrix Categories Codeforces Codeforces Round #177 (Div. 2) 2
214 Make Palindrome Categories UVA 2
215 Mr. Kitayuta's Gift Categories Codeforces Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) 2
216 String problem Categories SPOJ 2
217 Destruction Cannon Categories URI 2
218 JEDNAKOST Categories SPOJ 2
219 Another Box Problem Categories SPOJ 2
220 Covered Path Categories Codeforces Codeforces Round #298 (Div. 2) 2
221 Queue Categories UVA 2
222 Approximating a Constant Range Categories Codeforces Codeforces Round #333 (Div. 2) 2
223 Railway Tickets Categories Timus 2
224 Caesar's Legions Categories Codeforces Codeforces Beta Round #89 (Div. 2) 2
225 Concert Tour Categories Live Archive 2014 Asia - Bangkok 2
226 Nudnik Photographer Categories Timus 2
227 False Mirrors Categories Timus 2
228 Counting binary strings Categories SPOJ 2
229 Game of Sum Categories UVA 2
230 NERED Categories SPOJ 2
231 1807 Categories SPOJ 2
232 Making A Budget Categories SPOJ 2
233 Problem 3 Categories SPOJ 2
234 Cards Categories Codeforces 8VC Venture Cup 2016 - Elimination Round 2
235 Point Connection Game in a Circle Categories SPOJ 2
236 Painting the balls Categories SGU 2
237 BATMAN3 Categories SPOJ 2
238 Again Palindrome Categories UVA 2
239 Pay the Price Categories UVA 2
240 Marks Distribution Categories UVA 2
241 Murcia's Skyline Categories UVA 2
242 Segments Categories Timus 2
243 Mobile Service Categories SPOJ 2
244 ACM (ACronymMaker) Categories SPOJ 2
245 Brackets Sequence Categories Timus 2
246 Pebbles Categories Live Archive 2007 North America - Pacific Northwest & North America - Southern California 2
247 Art Union Categories Codeforces Codeforces Round #241 (Div. 2) 2
248 Minimal Coverage Categories Timus 2
249 The Courier Categories SPOJ 2
250 Counting The Way of Bracket Replacement Categories SPOJ 2
251 Bit Mask Categories UVA 2
252 Restoring Password Categories Codeforces Codeforces Beta Round #76 (Div. 2 Only) 2
253 Always on the run Categories UVA 2
254 Alternative Thinking Categories Codeforces Codeforces Round #334 (Div. 1) & Codeforces Round #334 (Div. 2) 2
255 Reposts Categories Codeforces VK Cup 2015 - Qualification Round 1 2
256 Slurpys Categories UVA 2
257 Three-coloring of binary trees Categories SPOJ 2
258 Temptation Island Categories SPOJ 2
259 Ministry Categories Timus 2
260 String Computer Categories UVA 2
261 Another Problem on Strings Categories Codeforces Codeforces Round #112 (Div. 2) 2
262 Vasya and String Categories Codeforces Codeforces Round #354 (Div. 2) 2
263 Walking on the Safe Side Categories UVA 2
264 Sequence Categories Live Archive 2014 Asia - Kuala Lumpur 2
265 KTV Categories UVA 2
266 Boxes Categories UVA 2
267 Soldier and Number Game Categories Codeforces Codeforces Round #304 (Div. 2) 2
268 Card Sorting Categories SPOJ 2
269 Catch Fish Categories SPOJ 2
270 Beautiful People Categories SGU 2
271 String Distance and Transform Process Categories UVA 2
272 Dancing Cows Categories SPOJ 2
273 Yoda Goes Palindromic ! Categories SPOJ 2
274 Chest of Drawers Categories UVA 2
275 Threeprime Numbers Categories Timus 2
276 Chopsticks Categories UVA 2
277 Simple Minded Hashing Categories UVA 2
278 Up Subsequence Categories SPOJ 2
279 Sorting is not easy Categories SPOJ 2
280 Esferas Categories SPOJ 2
281 Orchard Trees Categories UVA 2
282 Black-White Grid Categories Live Archive 2006 Asia - Hanoi 2
283 Maximum sum on a torus Categories UVA 2
284 Longest Match Categories UVA 2
285 Square Categories UVA 2
286 Cow Frisbee Team Categories TJU 2
287 Decoding Morse Sequences Categories SPOJ 2
288 Bar Codes Categories UVA 2
289 Inna and Choose Options Categories Codeforces Codeforces Round #234 (Div. 2) 2
290 Chop Ahoy! Revisited! Categories Live Archive 2005 Africa/Middle East - Arab and North Africa 2
291 Flight Planner Categories UVA 2
292 Plug-in Categories Codeforces Yandex.Algorithm Open 2011 Qualification 1 2
293 Chain Reaction Categories Codeforces Codeforces Round #336 (Div. 1) & Codeforces Round #336 (Div. 2) 2
294 Photo to Remember Categories Codeforces VK Cup 2015 - Qualification Round 1 2
295 Little Elephant and Painting Categories CodeChef 2
296 Bing it Categories Live Archive 2009 Asia - Harbin 2
297 Mr. Kitayuta's Colorful Graph Categories Codeforces Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) 2
298 Sum of Different Primes Categories UVA 2
299 Divisible Group Sums Categories UVA 2
300 Color the Fence Categories Codeforces Codeforces Round #202 (Div. 2) 2
301 Fibo Categories A2 Online Judge 2
302 Count Paths Categories A2 Online Judge 2
303 Game Show Math Categories UVA 2
304 George and Job Categories Codeforces Codeforces Round #267 (Div. 2) 2
305 Feline Olympics - Mouseball Categories SPOJ 2
306 String to Palindrome Categories UVA 2
307 Tower of Cubes Categories UVA 2
308 Particular Palindromes Categories SPOJ 2
309 Con-Junctions Categories SPOJ 2
310 Hard problem Categories Codeforces Codeforces Round #367 (Div. 2) 2
311 The Marriage Interview :-) Categories UVA 2
312 Anniversary Party Categories Timus 2
313 Making Change Categories UVA 2
314 Dab of Backpack Categories SPOJ 2
315 Generations of Tribbles Categories Live Archive 2013 North America - Pacific Northwest 2
316 Trouble of 13-Dots Categories UVA 2
317 Wooden Sticks Categories SPOJ 2
318 BATMAN1 Categories SPOJ 2
319 Another Longest Increasing Subsequence Problem Categories SPOJ 2
320 Another Tree Problem Categories SPOJ 2
321 Land Acquisition Categories SPOJ 2
322 Ice Sculptures Categories Codeforces VK Cup 2012 Qualification Round 1 2
323 Tiling Categories UVA 2
324 Erdos Numbers Categories Live Archive 2000 Europe - Northwestern & Europe - Southwestern & Europe - Mid-Central 2
325 Street Categories SPOJ 2
326 Weights and Measures Categories UVA 2
327 Musketeers Categories SPOJ 2
328 Rain Categories SPOJ 2
329 Password Categories Codeforces Codeforces Beta Round #93 (Div. 1 Only) & Codeforces Beta Round #93 (Div. 2 Only) 2
330 Counting K-Rectangle Categories SPOJ 2
331 I-Keyboard Categories SPOJ 2
332 BadNeighbors Categories TopCoder TCCC '04 Round 4 - Div1 easy] (5009) 3
333 Petya and Java Categories Codeforces Codeforces Beta Round #61 (Div. 2) 3
334 Palindromic Subsequence Categories UVA 3
335 Ladder Categories Codeforces Codeforces Round #171 (Div. 2) 3
336 Walking Around Wisely Categories UVA 3
337 Kefa and Dishes Categories Codeforces Codeforces Round #321 (Div. 2) 3
338 Partition the sequence Categories SPOJ 3
339 Even Palindrome Categories SPOJ 3
340 Little Elephant and Interval Categories Codeforces Codeforces Round #129 (Div. 1) & Codeforces Round #129 (Div. 2) 3
341 Probablistic OR Categories SPOJ 3
342 I-Keyboard Categories Live Archive 2000 Europe - Central 3
343 Greg and Graph Categories Codeforces Codeforces Round #179 (Div. 1) & Codeforces Round #179 (Div. 2) 3
344 Color Stripe Categories Codeforces Codeforces Round #135 (Div. 2) 3
345 Building Bridges(HARD) Categories SPOJ 3
346 Little Elephant and Movies Categories CodeChef 3
347 Chilly Willy Categories Codeforces Codeforces Round #152 (Div. 2) 3
348 Robbers' watch Categories Codeforces Codeforces Round #359 (Div. 1) & Codeforces Round #359 (Div. 2) 3
349 Free Candies Categories UVA 3
350 Paid Roads Categories SPOJ 3
351 Weather Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) 3
352 Minus Operation Categories SPOJ 3
353 Dynamic LCA Categories SPOJ 3
354 Raucous Rockers Categories UVA 3
355 Hard Process Categories Codeforces Educational Codeforces Round 11 3
356 Gargari and Permutations Categories Codeforces Codeforces Round #264 (Div. 2) 3
357 New Skateboard Categories Codeforces Educational Codeforces Round 8 3
358 Most Servings Meal Categories SPOJ 3
359 Longest Regular Bracket Sequence Categories Codeforces Codeforces Beta Round #5 3
360 Handball Categories UVA 3
361 Ada and Game Categories SPOJ 3
362 Polygon Categories SPOJ 3
363 Physics Practical Categories Codeforces Codeforces Round #154 (Div. 2) 3
364 Mike and Feet Categories Codeforces Codeforces Round #305 (Div. 1) & Codeforces Round #305 (Div. 2) 3
365 Crime Wave - The Sequel Categories UVA 3
366 Fibonacci System Categories Live Archive 2008 Europe - Northeastern 3
367 An impassioned circulation of affection Categories Codeforces Codeforces Round #418 (Div. 2) 3
368 Alyona and the Tree Categories Codeforces Codeforces Round #358 (Div. 2) 3
369 Internet Address Categories Codeforces CROC-MBTU 2012, Elimination Round (ACM-ICPC) 3
370 To Add or Not to Add Categories Codeforces Codeforces Round #143 (Div. 2) 3
371 Pleasing Chief Categories CodeChef 3
372 Little Red Riding Hood Categories UVA 3
373 Painting Fence Categories Codeforces Codeforces Round #256 (Div. 2) 3
374 Coloring Trees Categories Codeforces Codeforces Round #369 (Div. 2) 3
375 Bear and Prime Numbers Categories Codeforces Codeforces Round #226 (Div. 2) 3
376 Maximum Absurdity Categories Codeforces Codeforces Round #193 (Div. 2) 3
377 Sereja and Game Categories CodeChef 3
378 Many Paths, One Destination Categories UVA 3
379 The Secret of an Aerolite Categories SPOJ 3
380 Budget Travel Categories UVA 3
381 Ilya and Escalator Categories Codeforces Codeforces Round #293 (Div. 2) 3
382 Barcode Categories Codeforces Codeforces Round #139 (Div. 2) 3
383 Xenia and Weights Categories Codeforces Codeforces Round #197 (Div. 2) 3
384 BATMAN2 Categories SPOJ 3
385 Make Psycho Categories SPOJ 3
386 Modulo Sum Categories Codeforces Codeforces Round #319 (Div. 2) 3
387 Candy (Again) Categories SPOJ 3
388 Scheduling Lectures Categories UVA 3
389 Triangular N-Queens Problem Categories Live Archive 2006 North America - Greater NY 3
390 Many polygons Categories SPOJ 3
391 Bribe the Prisoners Categories SPOJ 3
392 Beautiful Numbers Categories UVA 3
393 ZigZag Categories TopCoder TCCC '03 Semifinals 3 - Div1 easy] (4493) 3
394 Shopping Trip Categories UVA 3
395 The Matrix Game Categories CodeChef 3
396 Gentlemen Categories Timus 3
397 Greedy Hydra Categories SPOJ 3
398 Help Bob Categories SPOJ 3
399 Intervals of Monotonicity Categories Timus 3
400 Term Strategy Categories UVA 3
401 Arthur and Table Categories Codeforces Codeforces Round #311 (Div. 2) 3
402 Mosaic Categories Live Archive 2009 North America - Southeast USA 3
403 Writing Code Categories Codeforces Codeforces Round #302 (Div. 1) & Codeforces Round #302 (Div. 2) 3
404 Slikar Categories SPOJ 3
405 Antimatter Ray Clearcutting Categories UVA 3
406 The Debut Album Categories Timus 3
407 Fast Food Categories UVA 3
408 Working out Categories Codeforces Codeforces Round #245 (Div. 1) & Codeforces Round #245 (Div. 2) 3
409 Little Girl and Maximum XOR Categories Codeforces Codeforces Round #169 (Div. 2) 3
410 Palindrome pairs Categories Codeforces VK Cup 2012 Qualification Round 2 3
411 Good Sequences Categories Codeforces Codeforces Round #162 (Div. 1) & Codeforces Round #162 (Div. 2) 3
412 String reduction Categories SPOJ 3
413 Car with powers Categories SPOJ 3
414 Maximum Triangle Area Categories SPOJ 3
415 Booking System Categories Codeforces Codeforces Round #241 (Div. 2) 3
416 Bubble Sort Graph Categories Codeforces Codeforces Round #198 (Div. 2) & Codeforces Round #198 (Div. 1) 3
417 Determine it Categories UVA 3
418 Common Subsequences Categories SPOJ 3
419 How Many O's? Categories UVA 3
420 Vanya and Scales Categories Codeforces Codeforces Round #308 (Div. 2) 3
421 Greenhouse Effect Categories Codeforces Codeforces Round #165 (Div. 1) & Codeforces Round #165 (Div. 2) 3
422 Hackers' Crackdown Categories UVA 3
423 IOI07 Miners Categories SPOJ 3
424 Bear and Compressing Categories Codeforces IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) 3
425 Bear and Blocks Categories Codeforces Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 1) & Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 2) 3
426 Long Path Categories Codeforces Codeforces Round #239 (Div. 1) & Codeforces Round #239 (Div. 2) 3
427 Tour Categories UVA 3
428 The least round way Categories Codeforces Codeforces Beta Round #2 3
429 Longtail Hedgehog Categories Codeforces Codeforces Round #338 (Div. 2) 3
430 Cards, bags and coins Categories CodeChef 3
431 AGTC Categories UVA 3
432 Omar Loves Candies Categories A2 Online Judge 3
433 End up with More Teams Categories UVA 3
434 Distance in Tree Categories Codeforces VK Cup 2012 Round 1 3
435 Simple Strings Categories Codeforces Educational Codeforces Round 12 3
436 A and B and Interesting Substrings Categories Codeforces Codeforces Round #294 (Div. 2) 3
437 Fetching Cooking Tools Categories CodeChef 3
438 Traveling by Stagecoach Categories SPOJ 3
439 Sense of Beauty Categories Timus 3
440 COUNT PAREN Categories SPOJ 3
441 RGBStreet Categories TopCoder SRM 325 - Div2 medium] (10005) 3
442 Mnemonics and Palindromes Categories Timus 3
443 Zuma Categories Codeforces Codeforces Round #336 (Div. 1) & Codeforces Round #336 (Div. 2) 3
444 Zeta-Nim Game Categories CodeChef 3
445 Hippity Hopscotch Categories UVA 3
446 Permutation Categories Codeforces Codeforces Round #209 (Div. 2) 3
447 Recycling Bottles Categories Codeforces Codeforces Round #352 (Div. 1) & Codeforces Round #352 (Div. 2) 3
448 Fewest Flops Categories UVA 3
449 Arpa's weak amphitheater and Mehrdad's valuable Hoses Categories Codeforces Codeforces Round #383 (Div. 1) & Codeforces Round #383 (Div. 2) 3
450 Hierarchy Categories Timus 3
451 Triangles Categories Live Archive 2014 South Pacific 3
452 Sum of Digits Categories Timus 3
453 Mysterious Present Categories Codeforces Codeforces Beta Round #4 (Div. 2 Only) 3
454 Account Book Categories UVA 4
455 Civilization Categories Codeforces Codeforces Round #260 (Div. 1) & Codeforces Round #260 (Div. 2) 4
456 Gasoline Station Categories Timus 4
457 Alyona and Strings Categories Codeforces Codeforces Round #358 (Div. 2) 4
458 Fox And Jumping Categories Codeforces Codeforces Round #290 (Div. 2) & Codeforces Round #290 (Div. 1) 4
459 Chocolate Box Categories UVA 4
460 Forming Teams Categories Codeforces Codeforces Round #133 (Div. 2) 4
461 Hometask Categories Codeforces Codeforces Round #131 (Div. 2) 4
462 Cái túi ( Hard version ) Categories SPOJ Vietnam 4
463 Classmates 2 Categories Timus 4
464 Number of Paths in the Empire Categories SGU 4
465 Best Coalitions Categories UVA 4
466 Ingredients Categories SPOJ 4
467 Pie Rules Categories Codeforces MemSQL Start[c]UP 3.0 - Round 1 4
468 DIVSEQ Categories SPOJ 4
469 String Popping Categories UVA 4
470 Enemy is weak Categories Codeforces Codeforces Beta Round #57 (Div. 2) 4
471 Tiling Dominoes Categories UVA 4
472 Drazil and Tiles Categories Codeforces Codeforces Round #292 (Div. 2) & Codeforces Round #292 (Div. 1) 4
473 Book of Evil Categories Codeforces Codeforces Round #196 (Div. 2) & Codeforces Round #196 (Div. 1) 4
474 Bright Bracelet Categories Live Archive 2003 North America - Mid-Central USA 4
475 Dumb Bones Categories UVA 4
476 SMS Categories Timus 4
477 Busy Programmer Categories UVA 4
478 Little Elephant and Blocks Categories CodeChef 4
479 Prefixes and Suffixes Categories Codeforces Codeforces Round #246 (Div. 2) 4
480 Generate a String Categories Codeforces Educational Codeforces Round 16 4
481 Another Assignment Problem Categories SPOJ 4
482 Antimonotonicity Categories UVA 4
483 Namit In Trouble Categories SPOJ 4
484 Riding in a Lift Categories Codeforces Codeforces Round #274 (Div. 2) & Codeforces Round #274 (Div. 1) 4
485 Appleman and Tree Categories Codeforces Codeforces Round #263 (Div. 1) & Codeforces Round #263 (Div. 2) 4
486 New Year and Fireworks Categories Codeforces Good Bye 2016 4
487 Zero Tree Categories Codeforces Codeforces Round #168 (Div. 1) & Codeforces Round #168 (Div. 2) 4
488 A Lot of Games Categories Codeforces Codeforces Round #260 (Div. 1) & Codeforces Round #260 (Div. 2) 4
489 Dynasty Puzzles Categories Codeforces Codeforces Round #121 (Div. 1) & Codeforces Round #121 (Div. 2) 4
490 Convex Polygons Categories SPOJ 4
491 Red-Green Towers Categories Codeforces Codeforces Round #273 (Div. 2) 4
492 Matchsticks Categories TJU 4
493 Patches Categories URI 4
494 Who is The Boss Categories SPOJ 4
495 Crack Categories Timus 4
496 The Bridges of Kolsberg Categories UVA 4
497 Lazy Math Instructor Categories Live Archive 2000 Asia - Tehran 4
498 Boy Scouts Categories SPOJ 4
499 Let go to the movies Categories SPOJ 4
500 Drop the Triples Categories SPOJ 4
501 Jeff and Rounding Categories Codeforces Codeforces Round #204 (Div. 1) & Codeforces Round #204 (Div. 2) 4
502 Zeros and Ones Categories UVA 4
503 Chocolate Categories SPOJ 4
504 Round Table Knights Categories Codeforces Codeforces Beta Round #65 (Div. 2) 4
505 Buns Categories Codeforces Codeforces Beta Round #82 (Div. 2) 4
506 Going Postal Categories Live Archive 2014 South Pacific 4
507 The Child and Zoo Categories Codeforces Codeforces Round #250 (Div. 2) & Codeforces Round #250 (Div. 1) 4
508 Clique Problem Categories Codeforces Codeforces Round #296 (Div. 2) & Codeforces Round #296 (Div. 1) 4
509 Minion Circle Categories CodeChef 4
510 The Values You Can Make Categories Codeforces Codeforces Round #360 (Div. 1) & Codeforces Round #360 (Div. 2) 4
511 Matches Categories UVA 4
512 Maximum Submatrix 2 Categories Codeforces Codeforces Round #221 (Div. 1) & Codeforces Round #221 (Div. 2) 4
513 Bag of mice Categories Codeforces Codeforces Round #105 (Div. 2) 4
514 Mr. Kitayuta, the Treasure Hunter Categories Codeforces Codeforces Round #286 (Div. 2) 4
515 BATMAN4 Categories SPOJ 4
516 Clear Symmetry Categories Codeforces Codeforces Round #127 (Div. 1) & Codeforces Round #127 (Div. 2) 4
517 Mars Canals Categories Timus 4
518 Avoiding Jungle in the Dark Categories UVA 4
519 Lemon Tale Categories Timus 4
520 Expect the Expected Categories UVA 4
521 Almost Arithmetical Progression Categories Codeforces Codeforces Round #156 (Div. 2) & Codeforces Round #156 (Div. 1) 4
522 Shaass and Bookshelf Categories Codeforces Codeforces Round #178 (Div. 2) 4
523 FOODIE Categories SPOJ 4
524 Dominoes Categories SPOJ 4
525 Lov-e Pap Pap-e Polti Categories SPOJ 4
526 Hometask Categories Codeforces Codeforces Round #109 (Div. 1) & Codeforces Round #109 (Div. 2) 4
527 Choosing Capital for Treeland Categories Codeforces Codeforces Round #135 (Div. 2) 4
528 Folding Categories Timus 4
529 Once Again... Categories Codeforces Codeforces Round #323 (Div. 1) & Codeforces Round #323 (Div. 2) 4
530 Najkraci Categories SPOJ 4
531 XOR Equation Categories Codeforces 8VC Venture Cup 2016 - Final Round 4
532 Reberland Linguistics Categories Codeforces Codeforces Round #349 (Div. 1) & Codeforces Round #349 (Div. 2) 4
533 Fortune Telling Categories Codeforces Codeforces Beta Round #55 (Div. 2) 4
534 Fatawy Categories SPOJ 4
535 Balanced Numbers Categories SPOJ 4
536 Batman Categories UVA 4
537 Fools and Roads Categories Codeforces Codeforces Round #121 (Div. 1) & Codeforces Round #121 (Div. 2) 4
538 Can U Win? Categories UVA 4
539 Communication Fiend Categories Timus 4
540 Digit Sum Categories UVA 4
541 Pashmak and Graph Categories Codeforces Codeforces Round #261 (Div. 2) 4
542 Image Preview Categories Codeforces Codeforces Round #345 (Div. 1) & Codeforces Round #345 (Div. 2) 4
543 Letter Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 4
544 Babaei and Birthday Cake Categories Codeforces Codeforces Round #343 (Div. 2) 4
545 Bit by Bit Categories SPOJ 4
546 One-two, One-two 2 Categories Timus 4
547 Cow Program Categories Codeforces Codeforces Round #174 (Div. 1) & Codeforces Round #174 (Div. 2) 4
548 Message Categories Codeforces Codeforces Round #110 (Div. 1) & Codeforces Round #110 (Div. 2) 4
549 Bad Luck Island Categories Codeforces Codeforces Round #301 (Div. 2) 4
550 Dima and Salad Categories Codeforces Codeforces Round #214 (Div. 2) 4
551 Bottle Taps Categories Timus 4
552 Malevich Strikes Back! Categories Timus 4
553 Gerald and Giant Chess Categories Codeforces Codeforces Round #313 (Div. 1) & Codeforces Round #313 (Div. 2) 4
554 Little Pony and Harmony Chest Categories Codeforces Codeforces Round #259 (Div. 1) & Codeforces Round #259 (Div. 2) 4
555 Magic, Wizardry and Wonders Categories Codeforces Codeforces Round #143 (Div. 2) 4
556 Trees Again Categories SPOJ 4
557 Correcting Mistakes Categories Codeforces VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only) 5
558 The Unreal Tournament Categories UVA 5
559 Running Track Categories Codeforces Codeforces Round #338 (Div. 2) 5
560 A and B and Lecture Rooms Categories Codeforces Codeforces Round #294 (Div. 2) 5
561 Sereja and Bubble Sort Categories CodeChef 5
562 Elimination Categories Codeforces RCC 2014 Warmup (Div. 2) 5
563 Table Compression Categories Codeforces Codeforces Round #345 (Div. 1) & Codeforces Round #345 (Div. 2) 5
564 Upgrading Array Categories Codeforces Codeforces Round #236 (Div. 2) & Codeforces Round #236 (Div. 1) 5
565 Iahub and Permutations Categories Codeforces Codeforces Round #198 (Div. 2) & Codeforces Round #198 (Div. 1) 5
566 Bargaining Table Categories Codeforces Codeforces Beta Round #22 (Div. 2 Only) 5
567 Restaurant Categories Codeforces Testing Round #12 5
568 K-based Numbers. Version 3 Categories Timus 5
569 Levko and Array Categories Codeforces Codeforces Round #210 (Div. 1) & Codeforces Round #210 (Div. 2) 5
570 Inna and Dima Categories Codeforces Codeforces Round #220 (Div. 2) 5
571 WordMath Categories TopCoder Unknown () 5
572 Valid Sets Categories Codeforces Codeforces Round #277 (Div. 2) 5
573 Antimatter Categories Codeforces Codeforces Round #225 (Div. 1) 5
574 The Islands Categories UVA 5
575 Substring and Subsequence Categories Codeforces VK Cup 2012 Round 2 5
576 Rent your airplane and make money Categories Live Archive 2003 Europe - Southwestern 5
577 Super M Categories Codeforces Codeforces Round #328 (Div. 2) 5
578 Coin Changing Again Categories UVA 5
579 Promotion Categories URI 5
580 The Great Julya Calendar Categories Codeforces ABBYY Cup 3.0 - Finals (online version) 5
581 Weak Links Categories UVA 5
582 Inversions problem Categories Codeforces Rockethon 2015 5
583 Huffman´s Greed Categories SPOJ 5
584 GO FOR DIAMONDS Categories SPOJ 5
585 EKG Categories Codeforces ABBYY Cup 3.0 5
586 Anniversary Firework Categories Timus 5
587 Fibonacci Words Categories UVA 5
588 Sums of Digits Categories Codeforces Codeforces Round #289 (Div. 2, ACM ICPC Rules) 5
589 Robot Rapping Results Report Categories Codeforces CROC 2016 - Elimination Round 5
590 Clique in the Divisibility Graph Categories Codeforces VK Cup 2015 - Finals, online mirror 5
591 Ciel and Duel Categories Codeforces Codeforces Round #190 (Div. 1) & Codeforces Round #190 (Div. 2) 5
592 Connected Components Categories Codeforces Croc Champ 2013 - Round 1 5
593 Independent Attacking Zones Categories UVA 5
594 Minimization Categories Codeforces Codeforces Round #317 [AimFund Thanks-Round] (Div. 1) & Codeforces Round #317 [AimFund Thanks-Round] (Div. 2) 5
595 Spiders Categories Codeforces School Regional Team Contest, Saratov, 2011 5
596 IPL - CRICKET TOURNAMENT Categories SPOJ 5
597 Spy Syndrome 2 Categories Codeforces Manthan, Codefest 16 5
598 JUMPING DORA Categories SPOJ 5
599 Phone Talks Categories Codeforces VK Cup 2012 Qualification Round 1 5
600 Two Paths Categories Codeforces Codeforces Beta Round #14 (Div. 2) 5
601 Happiness to People! Categories Timus 5
602 Chocolate Bar Categories Codeforces Educational Codeforces Round 1 5
603 Bridge Building Categories UVA 5
604 Vasya and Beautiful Arrays Categories Codeforces Codeforces Round #206 (Div. 1) & Codeforces Round #206 (Div. 2) 5
605 DNA Laboratory Categories SPOJ 5
606 Paint the Tree Categories CodeChef 5
607 Petr# Categories Codeforces Codeforces Beta Round #86 (Div. 1 Only) & Codeforces Beta Round #86 (Div. 2 Only) 5
608 Logo Turtle Categories Codeforces Codeforces Beta Round #96 (Div. 1) & Codeforces Beta Round #96 (Div. 2) 5
609 Ship Routes Categories Timus 5
610 Famil Door and Brackets Categories Codeforces Codeforces Round #343 (Div. 2) 5
611 Pillars Categories Codeforces Codeforces Round #271 (Div. 2) 5
612 Strip Categories Codeforces Codeforces Round #278 (Div. 1) & Codeforces Round #278 (Div. 2) 5
613 Summing Slopes Categories CodeChef 5
614 Roadworks Categories Timus 5
615 Wet Shark and Blocks Categories Codeforces Codeforces Round #341 (Div. 2) 5
616 Counting Rectangles is Fun Categories Codeforces Codeforces Round #219 (Div. 1) & Codeforces Round #219 (Div. 2) 5
617 Queries for Number of Palindromes Categories Codeforces CROC-MBTU 2012, Elimination Round (ACM-ICPC) 5
618 Dima and Hares Categories Codeforces Codeforces Round #208 (Div. 2) 5
619 Compatible Numbers Categories Codeforces Codeforces Round #112 (Div. 2) 5
620 Bear and Tower of Cubes Categories Codeforces Codeforces Round #356 (Div. 1) & Codeforces Round #356 (Div. 2) 5
621 Fire Categories Codeforces Codeforces Round #436 (Div. 2) 5
622 Sum Categories Codeforces Codeforces Beta Round #46 (Div. 2) 5
623 Allergy Test Categories UVA 5
624 Jeff and Furik Categories Codeforces Codeforces Round #204 (Div. 1) & Codeforces Round #204 (Div. 2) 5
625 ICPC Team Strategy Categories UVA 5
626 Kalila and Dimna in the Logging Industry Categories Codeforces Codeforces Round #189 (Div. 1) & Codeforces Round #189 (Div. 2) 5
627 Mario Kart Categories A2 Online Judge 5
628 Enterprise Categories Timus 5
629 INVITATION FOR TECHOFES Categories SPOJ 5
630 Obsessive String Categories Codeforces Codeforces Round #282 (Div. 1) & Codeforces Round #282 (Div. 2) 5
631 Basketball Team Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) & Codeforces Beta Round #83 (Div. 2 Only) 5
632 E-mail Categories Timus 5
633 Porcelain Categories Codeforces Codeforces Round #105 (Div. 2) 5
634 Optimal Cut Categories UVA 5
635 Lucky Common Subsequence Categories Codeforces Codeforces Round #201 (Div. 1) & Codeforces Round #201 (Div. 2) 5
636 Choosing Balls Categories Codeforces Codeforces Round #162 (Div. 1) & Codeforces Round #162 (Div. 2) 5
637 Symmetric and Transitive Categories Codeforces Codeforces Round #315 (Div. 1) & Codeforces Round #315 (Div. 2) 5
638 Count Digits Categories CodeChef 5
639 Train Categories Timus 5
640 Roman and Numbers Categories Codeforces Codeforces Round #235 (Div. 2) 5
641 Cargo Agency Categories Timus 5
642 Candy Categories UVA 5
643 ???? ?? ?????? - 2 (round version) Categories Codeforces VK Cup 2015 - Round 1 5
644 Connect Line Segments Categories SPOJ 5
645 Eternal Victory Categories Codeforces Codeforces Beta Round #57 (Div. 2) 5
646 Atomic Car Race Categories UVA 5
647 CreatureTraining Categories TopCoder TCO08 Round 2 - Div1 medium] (12012) 5
648 Breaking Good Categories Codeforces Codeforces Round #287 (Div. 2) 5
649 Subsequence Problem Categories SPOJ 5
650 Running with Obstacles Categories Codeforces VK Cup 2016 - Qualification Round 1 5
651 Lucky Tree Categories Codeforces Codeforces Beta Round #84 (Div. 1 Only) & Codeforces Beta Round #84 (Div. 2 Only) 5
652 Longest Increasing Sequence Categories UVA 5
653 Road Improvement Categories Codeforces Codeforces Round #302 (Div. 1) 6
654 Fedor and Essay Categories Codeforces Codeforces Round #267 (Div. 2) 6
655 Kindergarten Categories Codeforces Codeforces Round #276 (Div. 1) 6
656 Eating High Categories Timus 6
657 Random Task Categories Codeforces Codeforces Round #247 (Div. 2) 6
658 Coloring Brackets Categories Codeforces Codeforces Round #106 (Div. 2) 6
659 Yet Another Assignment Problem Categories SPOJ 6
660 Two Strings Categories Codeforces Codeforces Round #138 (Div. 1) & Codeforces Round #138 (Div. 2) 6
661 Palindromes Categories Codeforces Codeforces Beta Round #98 (Div. 2) 6
662 Beautiful numbers Categories Codeforces Codeforces Beta Round #51 6
663 Animals Categories Codeforces Codeforces Beta Round #35 (Div. 2) 6
664 Anya and Cubes Categories Codeforces Codeforces Round #297 (Div. 2) 6
665 Coin Troubles Categories Codeforces Codeforces Round #174 (Div. 1) & Codeforces Round #174 (Div. 2) 6
666 Cipher Categories Codeforces Codeforces Round #110 (Div. 1) & Codeforces Round #110 (Div. 2) 6
667 Decoding Genome Categories Codeforces Codeforces Round #137 (Div. 2) 6
668 Sequence Categories Codeforces Codeforces Beta Round #13 6
669 Arthur and Brackets Categories Codeforces Codeforces Round #288 (Div. 2) 6
670 Hotel Categories Live Archive 2005 Asia - Tehran 6
671 ACM Diagnostics Categories Timus 6
672 The Top-Code Categories SPOJ 6
673 Two out of Three Categories Codeforces Yandex.Algorithm 2011 Qualification 2 6
674 Segment Tree Categories SPOJ 6
675 Hamiltonian Spanning Tree Categories Codeforces Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) 6
676 Game --- Mouse and Cheese Categories UVA 6
677 Alternative Solution Categories Timus 6
678 Eleven Categories UVA 6
679 Pluses everywhere Categories Codeforces Codeforces Round #295 (Div. 2) & Codeforces Round #295 (Div. 1) 6
680 Ciel and Gondolas Categories Codeforces Codeforces Round #190 (Div. 1) 6
681 How many trees? Categories Codeforces Codeforces Beta Round #9 (Div. 2 Only) 6
682 New Year Domino Categories Codeforces Good Bye 2014 6
683 Little Elephant and LCM Categories Codeforces Codeforces Round #157 (Div. 1) & Codeforces Round #157 (Div. 2) 6
684 Cunning Gena Categories Codeforces RCC 2014 Warmup (Div. 2) & RCC 2014 Warmup (Div. 1) 6
685 Incrementing The Integer Categories SPOJ 6
686 Plants vs. Zombies HD SP Categories UVA 6
687 Pig and Palindromes Categories Codeforces Codeforces Round #316 (Div. 2) 6
688 Little Elephant and Elections Categories Codeforces Codeforces Round #157 (Div. 1) & Codeforces Round #157 (Div. 2) 6
689 Greg and Friends Categories Codeforces Codeforces Round #179 (Div. 1) & Codeforces Round #179 (Div. 2) 6
690 Special Matrices Categories Codeforces Codeforces Round #277.5 (Div. 2) 6
691 Martian Army Categories Timus 6
692 Subsequences Categories Codeforces Testing Round #12 6
693 Wizards and Huge Prize Categories Codeforces Codeforces Round #114 (Div. 1) & Codeforces Round #114 (Div. 2) 6
694 Beaver Game Categories Codeforces Codeforces Beta Round #70 (Div. 2) 6
695 Decimation Categories Timus 6
696 Match & Catch Categories Codeforces Codeforces Round #244 (Div. 2) 6
697 Fence Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) & Codeforces Round #145 (Div. 1, ACM-ICPC Rules) 6
698 Lucky Subsequence Categories Codeforces Codeforces Round #104 (Div. 1) & Codeforces Round #104 (Div. 2) 6
699 Palindrome Categories Codeforces MemSQL start[c]up Round 2 - online version 6
700 Magic Numbers Categories Codeforces Educational Codeforces Round 8 6
701 Increase Sequence Categories Codeforces Codeforces Round #266 (Div. 2) 6
702 Games with Rectangle Categories Codeforces Codeforces Beta Round #94 (Div. 1 Only) & Codeforces Beta Round #94 (Div. 2 Only) 6
703 LIS of Sequence Categories Codeforces Codeforces Round #277 (Div. 2) 6
704 New Year Letter Categories Codeforces Good Bye 2013 6
705 Shooting Gallery Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 6
706 Playing War Categories UVA 6
707 Salary for Robots Categories Timus 6
708 Jzzhu and Numbers Categories Codeforces Codeforces Round #257 (Div. 1) 6
709 Cinema Cashier Categories Codeforces Codeforces Beta Round #10 6
710 Maxim and Restaurant Categories Codeforces Codeforces Round #160 (Div. 1) & Codeforces Round #160 (Div. 2) 6
711 Minesweeper 1D Categories Codeforces Codeforces Round #237 (Div. 2) 6
712 Solitaire Categories Codeforces Codeforces Round #130 (Div. 2) 6
713 Permutation Sum Categories Codeforces Codeforces Round #175 (Div. 2) 6
714 Substitutes in Number Categories Codeforces Codeforces Round #265 (Div. 1) & Codeforces Round #265 (Div. 2) 6
715 Insertion Sort Categories Codeforces Codeforces Round #212 (Div. 2) 6
716 Beaver Categories Codeforces Codeforces Beta Round #71 6
717 Let's Play Osu! Categories Codeforces Codeforces Round #146 (Div. 1) & Codeforces Round #146 (Div. 2) 6
718 Snakes Categories A2 Online Judge 6
719 Duff in Beach Categories Codeforces Codeforces Round #326 (Div. 1) & Codeforces Round #326 (Div. 2) 6
720 Sort that Queue Categories Live Archive 2005 Africa/Middle East - Arab and North Africa 6
721 Numbers Categories Codeforces Codeforces Round #131 (Div. 1) & Codeforces Round #131 (Div. 2) 6
722 Ilya and Roads Categories Codeforces Codeforces Round #186 (Div. 2) 6
723 Fragile Bridges Categories Codeforces Codeforces Round #127 (Div. 1) & Codeforces Round #127 (Div. 2) 6
724 Mystic Craft Categories SPOJ 6
725 Anfisa the Monkey Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 6
726 Checkout Assistant Categories Codeforces Codeforces Beta Round #19 6
727 Table Categories Codeforces Codeforces Round #144 (Div. 1) & Codeforces Round #144 (Div. 2) 6
728 Yet Another Number Game Categories Codeforces Codeforces Round #173 (Div. 2) 6
729 Brainwashing Device Categories Timus 6
730 LCIS Categories Codeforces Codeforces Beta Round #10 6
731 Least Common Multiple Categories Live Archive 2014 South Pacific 6
732 Police Station Categories Codeforces Codeforces Round #130 (Div. 2) 6
733 Plus and xor Categories Codeforces All-Ukrainian School Olympiad in Informatics 6
734 Work Group Categories Codeforces VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only) 6
735 File List Categories Codeforces VK Cup 2012 Round 3 (Unofficial Div. 2 Edition) 6
736 Number With The Given Amount Of Divisors Categories Codeforces Codeforces Beta Round #27 (Codeforces format, Div. 2) 6
737 Bracket Sequence Categories SPOJ 6
738 Trains and Statistic Categories Codeforces Codeforces Round #353 (Div. 2) 6
739 The Maths Lecture Categories Codeforces Codeforces Round #287 (Div. 2) 6
740 Train Categories Codeforces Codeforces Beta Round #68 6
741 Fish Categories Codeforces Codeforces Beta Round #16 (Div. 2 Only) 6
742 Towers Categories Codeforces Codeforces Round #142 (Div. 1) 6
743 Partial Teacher Categories Codeforces Manthan 2011 6
744 MagicNaming Categories TopCoder SRM 526.5 - Div2 hard] (14762) 6
745 Looking for Order Categories Codeforces Codeforces Beta Round #8 6
746 Relay Race Categories Codeforces Codeforces Round #131 (Div. 1) & Codeforces Round #131 (Div. 2) 6
747 Paint templates Categories SPOJ 6
748 Summing Slopes Categories SPOJ 6
749 Buses Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) & Codeforces Beta Round #79 (Div. 2 Only) 6
750 Wonderful Randomized Sum Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 6
751 Array GCD Categories Codeforces AIM Tech Round (Div. 1) & AIM Tech Round (Div. 2) 6
752 Demiurges Play Again Categories Codeforces Codeforces Round #300 6
753 Vanya and Brackets Categories Codeforces Codeforces Round #308 (Div. 2) 6
754 Dreamoon and Strings Categories Codeforces Codeforces Round #272 (Div. 2) & Codeforces Round #272 (Div. 1) 6
755 Sereja and Subsequences Categories Codeforces Codeforces Round #187 (Div. 1) & Codeforces Round #187 (Div. 2) 6
756 Interesting Game Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) & Codeforces Beta Round #73 (Div. 2 Only) 6
757 Stripe 2 Categories Codeforces Codeforces Alpha Round #21 (Codeforces format) 6
758 Common Palindrome Categories UVA 6
759 Watching Fireworks is Fun Categories Codeforces Codeforces Round #219 (Div. 1) & Codeforces Round #219 (Div. 2) 6
760 A Simple Task Categories Codeforces Codeforces Beta Round #11 6
761 AlgoRace Categories Codeforces Codeforces Round #119 (Div. 1) & Codeforces Round #119 (Div. 2) 6
762 Captains Mode Categories Codeforces Codeforces Round #222 (Div. 1) & Codeforces Round #222 (Div. 2) 7
763 Lucky Numbers Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) 7
764 Kleofáš and the n-thlon Categories Codeforces Codeforces Round #333 (Div. 1) & Codeforces Round #333 (Div. 2) 7
765 Lucky Number Representation Categories Codeforces Codeforces Round #206 (Div. 1) 7
766 Table Tennis Categories UVA 7
767 Rent your airplane and make money Categories UVA 7
768 Top Secret Task Categories Codeforces Codeforces Round #327 (Div. 1) 7
769 World Eater Brothers Categories Codeforces Codeforces Round #148 (Div. 1) & Codeforces Round #148 (Div. 2) 7
770 Axis Walking Categories Codeforces Codeforces Round #191 (Div. 2) 7
771 Hiking Categories Codeforces Codeforces Round #277.5 (Div. 2) 7
772 Comb Categories Codeforces School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules) 7
773 Product Sum Categories Codeforces Codeforces Round #344 (Div. 2) 7
774 Cubes Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 7
775 Lunar Code Categories Timus 7
776 Catch Sheep Categories SPOJ 7
777 Join Categories Timus 7
778 Right Triangles Categories Codeforces Codeforces Testing Round #1 7
779 Little Artem and Random Variable Categories Codeforces VK Cup 2016 - Round 2 7
780 Game with Powers Categories Codeforces Codeforces Round #188 (Div. 1) 7
781 Black and White Tree Categories Codeforces Codeforces Round #158 (Div. 2) 7
782 Brainfuck Categories Timus 7
783 Maximum Sub-sequence Product Categories Live Archive 1996 Europe - Southeastern 7
784 Big Maximum Sum Categories Codeforces Codeforces Beta Round #67 (Div. 2) 7
785 Valera and Fools Categories Codeforces Codeforces Round #216 (Div. 2) 7
786 Seller Bob Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 7
787 Optical Experiment Categories Codeforces Manthan 2011 7
788 Zip-line Categories Codeforces Codeforces Round #345 (Div. 1) 7
789 Game Categories Codeforces Codeforces Beta Round #46 (Div. 2) 7
790 Beautiful Pairs of Numbers Categories Codeforces Codeforces Round #236 (Div. 1) 7
791 Thief in a Shop Categories Codeforces Educational Codeforces Round 9 7
792 Wooden Fence Categories Codeforces Codeforces Round #117 (Div. 2) 7
793 Nanami's Digital Board Categories Codeforces Codeforces Round #248 (Div. 2) & Codeforces Round #248 (Div. 1) 7
794 Let's Go Rolling! Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 7
795 Transmitting Levels Categories Codeforces ZeptoLab Code Rush 2015 7
796 Quest Categories Codeforces VK Cup 2015 - Round 3 (unofficial online mirror, Div. 1 only) 7
797 Identify the Number Categories A2 Online Judge 7
798 Inna and Sequence Categories Codeforces Codeforces Round #220 (Div. 2) 7
799 Devu and Birthday Celebration Categories Codeforces Codeforces Round #251 (Div. 2) 7
800 Camels Categories Codeforces Codeforces Beta Round #14 (Div. 2) 7
801 Lizards and Basements 2 Categories Codeforces Codeforces Beta Round #6 (Div. 2 Only) 7
802 Petya and Spiders Categories Codeforces Codeforces Beta Round #85 (Div. 1 Only) & Codeforces Beta Round #85 (Div. 2 Only) 7
803 Word Cut Categories Codeforces Croc Champ 2012 - Round 2 7
804 Martian Plates Categories Timus 7
805 Pawn Categories Codeforces Codeforces Beta Round #40 (Div. 2) 7
806 Merry-go-round Categories Timus 7
807 Cactus Categories Codeforces Codeforces Round #143 (Div. 2) 7
808 Two Longest Paths Categories UVA 7
809 Education Reform Categories Codeforces Codeforces Beta Round #90 7
810 Colored Tiles Categories UVA 7
811 Cats Transport Categories Codeforces Codeforces Round #185 (Div. 1) & Codeforces Round #185 (Div. 2) 7
812 Group Projects Categories Codeforces 8VC Venture Cup 2016 - Elimination Round 7
813 Treeland Tour Categories Codeforces Codeforces Round #279 (Div. 2) 7
814 Bear and Floodlight Categories Codeforces Codeforces Round #226 (Div. 2) 7
815 Spiral Maximum Categories Codeforces Croc Champ 2012 - Round 1 7
816 Component Testing Categories Live Archive 2012 North America - Mid-Atlantic USA & North America - Southern California & North America - Southeast USA 7
817 LionAge II Categories Codeforces Codeforces Beta Round #66 7
818 Free Market Categories Codeforces Codeforces Round #213 (Div. 1) & Codeforces Round #213 (Div. 2) 7
819 Yet Another Answer Categories Timus 7
820 Intellectual Inquiry Categories Codeforces CROC 2016 - Elimination Round 7
821 Name That Tune Categories Codeforces Codeforces Round #284 (Div. 1) & Codeforces Round #284 (Div. 2) 7
822 Painting The Wall Categories Codeforces Codeforces Round #233 (Div. 1) & Codeforces Round #233 (Div. 2) 7
823 FibonacciKnapsack Categories TopCoder SRM 352 - Div1 medium] (10709) 7
824 First Digit Law Categories Codeforces Codeforces Beta Round #50 7
825 Duckindromes Categories UVA 7
826 Wilbur and Trees Categories Codeforces Codeforces Round #331 (Div. 2) 7
827 Maxim and Matrix Categories Codeforces Codeforces Round #160 (Div. 1) & Codeforces Round #160 (Div. 2) 7
828 Special Grid Categories Codeforces Codeforces Round #249 (Div. 2) 7
829 Dot Categories Codeforces Codeforces Beta Round #63 (Div. 2) 7
830 TheProgrammingContestDivOne Categories TopCoder SRM 502 - Div1 medium] (14431) 7
831 Yaroslav and Two Strings Categories Codeforces Codeforces Round #179 (Div. 2) 7
832 Ann and Half-Palindrome Categories Codeforces Codeforces Round #311 (Div. 2) 7
833 Number Transformation Categories Codeforces Codeforces Round #153 (Div. 1) & Codeforces Round #153 (Div. 2) 7
834 Remembering Strings Categories Codeforces Codeforces Round #302 (Div. 1) & Codeforces Round #302 (Div. 2) 7
835 Archer's Travel Categories Timus 7
836 Guess the Tree Categories Codeforces Codeforces Round #245 (Div. 1) & Codeforces Round #245 (Div. 2) 7
837 Traffic Jams in the Land Categories Codeforces Codeforces Round #284 (Div. 1) 7
838 President's Path Categories Codeforces Codeforces Round #241 (Div. 2) 7
839 Lost in Space Categories Timus 7
840 Name Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 7
841 Divisor Tree Categories Codeforces Codeforces Round #196 (Div. 2) & Codeforces Round #196 (Div. 1) 7
842 Phone Number Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 7
843 Longest Run on a Snowboard Categories Live Archive 2006 Asia - Coimbatore 7
844 Genetic Engineering Categories Codeforces Rockethon 2014 7
845 Blood Cousins Return Categories Codeforces Codeforces Round #151 (Div. 2) 7
846 Beavermuncher-0xFF Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) & Codeforces Beta Round #69 (Div. 2 Only) 7
847 Darth Vader and Tree Categories Codeforces Codeforces Round #291 (Div. 2) 7
848 Sereja and Two Sequences Categories Codeforces Codeforces Round #243 (Div. 1) & Codeforces Round #243 (Div. 2) 7
849 Fence Divercity Categories Codeforces Codeforces Round #346 (Div. 2) 7
850 Bulbo Categories Codeforces Bubble Cup 8 - Finals [Online Mirror] 7
851 Longest Common Subsequence Categories SPOJ 7
852 Bath Queue Categories Codeforces Codeforces Beta Round #28 (Codeforces format) 8
853 Polycarpus the Safecracker Categories Codeforces VK Cup 2012 Round 1 8
854 Balance Categories Codeforces Codeforces Beta Round #17 8
855 Gifts Categories Codeforces Codeforces Round #142 (Div. 1) 8
856 Beads Categories Codeforces Codeforces Beta Round #8 8
857 Linear Kingdom Races Categories Codeforces Codeforces Beta Round #87 (Div. 1 Only) 8
858 Yekaterinburg Subway Categories Timus 8
859 Famil Door and Roads Categories Codeforces Codeforces Round #343 (Div. 2) 8
860 Turtles Categories Codeforces Codeforces Round #202 (Div. 1) 8
861 Vowels Categories Codeforces Codeforces Round #225 (Div. 1) 8
862 Lucky Arrays Categories Codeforces Codeforces Round #156 (Div. 1) 8
863 e-Government Categories Codeforces VK Cup 2012 Round 2 8
864 Superhero's Job Categories Codeforces VK Cup 2015 - Round 3 (unofficial online mirror, Div. 1 only) 8
865 Beautiful Road Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) 8
866 Drazil and Morning Exercise Categories Codeforces Codeforces Round #292 (Div. 1) 8
867 Sereja and Sets Categories Codeforces Codeforces Round #243 (Div. 1) 8
868 Help Caretaker Categories Codeforces Codeforces Round #102 (Div. 1) & Codeforces Round #102 (Div. 2) 8
869 Antichain Categories Codeforces Codeforces Round #205 (Div. 2) 8
870 Frequent Flyer Card Categories Timus 8
871 Flights for Regular Customers Categories Codeforces Codeforces Round #319 (Div. 1) 8
872 Birthday Categories Codeforces Codeforces Round #282 (Div. 1) 8
873 Petya and Coloring Categories Codeforces Codeforces Beta Round #85 (Div. 1 Only) 8
874 Fibonacci Sums Categories Codeforces Codeforces Beta Round #93 (Div. 1 Only) 8
875 Alex and Complicated Task Categories Codeforces Codeforces Round #267 (Div. 2) 8
876 What Has Dirichlet Got to Do with That? Categories Codeforces School Team Contest #1 (Winter Computer School 2010/11) 8
877 Bags and Coins Categories Codeforces Codeforces Round #207 (Div. 1) 8
878 The Minimum Number of Variables Categories Codeforces Codeforces Round #171 (Div. 2) 8
879 Periodical Numbers Categories Codeforces Codeforces Round #132 (Div. 2) 8
880 Changing a String Categories Codeforces Codeforces Beta Round #52 (Div. 2) 8
881 Cows and Cool Sequences Categories Codeforces Codeforces Round #174 (Div. 1) 8
882 Levko and Strings Categories Codeforces Codeforces Round #210 (Div. 1) & Codeforces Round #210 (Div. 2) 8
883 Widget Library Categories Codeforces Codeforces Beta Round #74 (Div. 1 Only) & Codeforces Beta Round #74 (Div. 2 Only) 8
884 Scheme Categories Codeforces Codeforces Beta Round #22 (Div. 2 Only) 8
885 Tree Categories Codeforces Codeforces Beta Round #23 8
886 Game with Strings Categories Codeforces Codeforces Round #206 (Div. 1) & Codeforces Round #206 (Div. 2) 8
887 Inventory Categories UVA 8
888 Fibonacci army Categories Codeforces Unknown Language Round #2 8
889 Binary Table Categories Codeforces CROC 2016 - Final Round [Private, For Onsite Finalists Only] 8
890 Sweets Game Categories Codeforces Codeforces Beta Round #59 (Div. 2) 8
891 Tower of Hanoi Categories Codeforces Codeforces Round #230 (Div. 1) & Codeforces Round #230 (Div. 2) 8
892 IT Restaurants Categories Codeforces VK Cup 2012 Finals (unofficial online-version) 8
893 Dead Ends Categories Codeforces Codeforces Beta Round #49 (Div. 2) 8
894 Roads in Yusland Categories Codeforces Codeforces Round #352 (Div. 1) 8
895 Numbers Categories Codeforces Codeforces Beta Round #72 (Div. 1 Only) 8
896 Lucky Country Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) 8
897 Two Melodies Categories Codeforces Educational Codeforces Round 22 8
898 Dormitory Categories Codeforces Codeforces Round #155 (Div. 2) 8
899 Flag 2 Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 8
900 Zublicanes and Mumocrates Categories Codeforces Codeforces Round #322 (Div. 2) 8
901 Oil Skimming Categories A2 Online Judge 8
902 Inversions problem Categories Codeforces Rockethon 2015 8
903 Biathlon Track Categories Codeforces Codeforces Round #242 (Div. 2) 8
904 Common ancestor Categories Codeforces Codeforces Beta Round #46 (Div. 2) 8
905 Little Elephant and Broken Sorting Categories Codeforces Codeforces Round #157 (Div. 1) 8
906 Greg and Caves Categories Codeforces Codeforces Round #179 (Div. 1) 8
907 Parcels Categories Codeforces Codeforces Round #274 (Div. 1) 8
908 2048 Categories Codeforces Coder-Strike 2014 - Round 2 8
909 Broken robot Categories Codeforces Codeforces Beta Round #24 8
910 Vanya and Balloons Categories Codeforces Codeforces Round #355 (Div. 2) 8
911 Progress Monitoring Categories Codeforces Codeforces Round #289 (Div. 2, ACM ICPC Rules) 8
912 Fractal Detector Categories Codeforces Codeforces Round #141 (Div. 2) 8
913 Petya and Post Categories Codeforces Codeforces Beta Round #61 (Div. 2) 8
914 Mausoleum Categories Codeforces Codeforces Round #Pi (Div. 2) 8
915 LCS Again Categories Codeforces Codeforces Round #320 (Div. 1) [Bayan Thanks-Round] & Codeforces Round #320 (Div. 2) [Bayan Thanks-Round] 8
916 Defining Macros Categories Codeforces Codeforces Beta Round #7 8
917 The Child and Polygon Categories Codeforces Codeforces Round #250 (Div. 2) & Codeforces Round #250 (Div. 1) 8
918 Triangles Categories Codeforces Codeforces Beta Round #13 8
919 TV Game Categories Codeforces Codeforces Beta Round #31 (Div. 2, Codeforces format) 8
920 Genetic engineering Categories Codeforces Yandex.Algorithm 2011 Round 2 8
921 Tourist Categories Codeforces All-Ukrainian School Olympiad in Informatics 8
922 Brackets Categories Codeforces Codeforces Beta Round #92 (Div. 1 Only) & Codeforces Beta Round #92 (Div. 2 Only) 8
923 Bombing Categories Codeforces Codeforces Beta Round #47 8
924 One-Based Arithmetic Categories Codeforces Testing Round #10 8
925 The Chocolate Spree Categories Codeforces Manthan, Codefest 16 8
926 Game with Strings Categories Codeforces Codeforces Round #275 (Div. 1) & Codeforces Round #275 (Div. 2) 8
927 Diverse Substrings Categories Codeforces Testing Round #9 8
928 World of Darkraft - 2 Categories Codeforces Codeforces Round #265 (Div. 1) 8
929 Painting Square Categories Codeforces Codeforces Round #181 (Div. 2) 8
930 Sereja and Intervals Categories Codeforces Codeforces Round #215 (Div. 1) 8
931 Constants in the language of Shakespeare Categories Codeforces Codeforces Beta Round #96 (Div. 1) 8
932 Xenia and Dominoes Categories Codeforces Codeforces Round #199 (Div. 2) 8
933 Shaass the Great Categories Codeforces Codeforces Round #178 (Div. 2) 8
934 Maxim and Increasing Subsequence Categories Codeforces Codeforces Round #160 (Div. 1) 8
935 Clearing Up Categories Codeforces Codeforces Round #101 (Div. 2) 8
936 Jeff and Brackets Categories Codeforces Codeforces Round #204 (Div. 1) & Codeforces Round #204 (Div. 2) 8
937 Preorder Test Categories Codeforces 8VC Venture Cup 2016 - Final Round 8
938 Helping People Categories Codeforces Codeforces Round #282 (Div. 1) & Codeforces Round #282 (Div. 2) 8
939 Multicolored Marbles Categories Codeforces VK Cup 2012 Finals, Practice Session 8
940 Largest Submatrix 3 Categories Codeforces Codeforces Round #239 (Div. 1) 8
941 Polo the Penguin and Lucky Numbers Categories Codeforces Codeforces Round #177 (Div. 1) 9
942 Yaroslav and Arrangements Categories Codeforces Codeforces Round #182 (Div. 1) 9
943 Plane of Tanks: Duel Categories Codeforces Codeforces Round #115 9
944 Pairs Categories Codeforces Yandex.Algorithm Open 2011 Qualification 1 9
945 Research Rover Categories Codeforces Intel Code Challenge Elimination Round (Div. 1 + Div. 2, combined) 9
946 Moon Craters Categories Codeforces School Team Contest #1 (Winter Computer School 2010/11) 9
947 Hanger Categories Codeforces Codeforces Beta Round #68 9
948 Four Divisors Categories Codeforces Educational Codeforces Round 12 9
949 Faryuks Categories Timus 9
950 A Museum Robbery Categories Codeforces Codeforces Round #333 (Div. 1) 9
951 Colorful Stones Categories Codeforces Codeforces Round #162 (Div. 1) 9
952 Stairs and Lines Categories Codeforces Codeforces Round #284 (Div. 1) 9
953 Subarray Cuts Categories Codeforces Rockethon 2015 9
954 Sequence of Balls Categories Codeforces Manthan 2011 9
955 Castle Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) 9
956 Dreamoon and Binary Categories Codeforces Codeforces Round #272 (Div. 1) 9
957 Sereja and Squares Categories Codeforces Codeforces Round #187 (Div. 1) 9
958 Domino Carpet Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) 9
959 Maxim and Calculator Categories Codeforces Codeforces Round #160 (Div. 1) 9
960 Dima and Game Categories Codeforces Codeforces Round #167 (Div. 1) 9
961 Nuclear Fusion Categories Codeforces Codeforces Beta Round #65 (Div. 2) 9
962 Binary Key Categories Codeforces Codeforces Round #193 (Div. 2) 9
963 Gerald and Path Categories Codeforces Codeforces Round #313 (Div. 1) 9
964 Cowboys Categories Codeforces VK Cup 2012 Finals (unofficial online-version) 9
965 Crime Management Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) 9
966 Horse Races Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) & Codeforces Beta Round #77 (Div. 2 Only) 9
967 Don't fear, DravDe is kind Categories Codeforces Codeforces Beta Round #28 (Codeforces format) 9
968 Roadside Trees Categories Codeforces Codeforces Round #162 (Div. 1) 9
969 Meeting Her Categories Codeforces Codeforces Round #148 (Div. 1) 9
970 Mission Impassable Categories Codeforces Codeforces Round #107 (Div. 1) 9
971 World of Darkraft Categories Codeforces Codeforces Beta Round #99 (Div. 1) 9
972 Pilgrims Categories Codeforces Codeforces Round #202 (Div. 1) 9
973 Little Elephant and Retro Strings Categories Codeforces Codeforces Round #129 (Div. 1) 9
974 Candies and Stones Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) 9
975 Lesson Timetable Categories Codeforces Codeforces Beta Round #37 9
976 Ivan the Fool VS Gorynych the Dragon Categories Codeforces School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round #45 (ACM-ICPC Rules) 9
977 Piglet's Birthday Categories Codeforces Codeforces Round #152 (Div. 2) & Codeforces Round #152 (Div. 1) 9
978 Rhombus Categories Codeforces Codeforces Round #161 (Div. 2) 9
979 Maze Categories Codeforces Codeforces Beta Round #92 (Div. 1 Only) 9
980 Simplified Nonogram Categories Codeforces Codeforces Round #298 (Div. 2) 9
981 Two Subsequences Categories Codeforces Codeforces Beta Round #72 (Div. 1 Only) 9
982 Strange Calculation and Cats Categories Codeforces Codeforces Round #329 (Div. 2) 9
983 Wall Bars Categories Codeforces Codeforces Round #164 (Div. 2) 9
984 Garden Categories Codeforces Codeforces Round #108 (Div. 2) 9
985 The Great Julya Calendar Categories Codeforces ABBYY Cup 3.0 - Finals (online version) 9
986 New Year Shopping Categories Codeforces Good Bye 2014 9
987 Formurosa Categories Codeforces Codeforces Round #134 (Div. 1) & Codeforces Round #134 (Div. 2) 9
988 Journey Categories Codeforces Codeforces Beta Round #53 9
989 Half-decay tree Categories Codeforces Codeforces Beta Round #62 9
990 PE Lesson Categories Codeforces ABBYY Cup 3.0 9
991 T-shirt Categories Codeforces Croc Champ 2012 - Final 9
992 Smart Boy Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 9
993 Donkey and Stars Categories Codeforces Codeforces Round #152 (Div. 1) 9
994 Flags Categories Codeforces Codeforces Beta Round #76 (Div. 1 Only) 9
995 And Yet Another Bracket Sequence Categories Codeforces VK Cup 2015 - Round 1 9
996 Triangles Categories Codeforces Codeforces Beta Round #15 9
997 Rectangles and Square Categories Codeforces MemSQL start[c]up Round 2 - online version 9
998 Pasha and Pipe Categories Codeforces Codeforces Round #293 (Div. 2) 9
999 Ciel and Flipboard Categories Codeforces Codeforces Round #190 (Div. 1) 9
1000 Representative Sampling Categories Codeforces ABBYY Cup 2.0 - Hard 9
1001 Hyper String Categories Codeforces Croc Champ 2012 - Round 2 9
1002 Maximum Longest Increasing Subsequence Categories CodeChef 9
1003 Tavas in Kansas Categories Codeforces Codeforces Round #299 (Div. 1) 9
1004 Somali Pirates Categories Timus 9
1005 Tachibana Kanade's Tofu Categories Codeforces Codeforces Round #248 (Div. 2) & Codeforces Round #248 (Div. 1) 9
1006 StackingBoxes Categories TopCoder SRM 261 - Div1 hard] (7995) 9
1007 Maximum Waterfall Categories Codeforces Codeforces Round #165 (Div. 1) 9
1008 New Year Garland Categories Codeforces Codeforces Round #100 9
1009 The Great Julya Calendar Categories Codeforces ABBYY Cup 3.0 - Finals (online version) 9
1010 PE Lesson Categories Codeforces ABBYY Cup 3.0 9
1011 Positions in Permutations Categories Codeforces Codeforces Round #175 (Div. 2) 9
1012 Password Categories Codeforces Codeforces Beta Round #71 9
1013 Random Function and Tree Categories Codeforces Codeforces Round #275 (Div. 1) 9
1014 Lostborn Categories Codeforces Codeforces Beta Round #76 (Div. 1 Only) 9
1015 Sandy and Nuts Categories Codeforces Codeforces Round #332 (Div. 2) 9
1016 Valera and Number Categories Codeforces Codeforces Round #252 (Div. 2) 9
1017 Candy Store Categories Live Archive 2012 North America - Southeast USA 9
1018 Polycarp's Masterpiece Categories Codeforces 2015-2016 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) 9
1019 Fox And Travelling Categories Codeforces Codeforces Round #290 (Div. 1) 9
1020 Number Challenge Categories Codeforces Codeforces Round #146 (Div. 1) 9
1021 Unambiguous Arithmetic Expression Categories Codeforces Codeforces Beta Round #87 (Div. 1 Only) 9
1022 Subarray Cuts Categories Codeforces Rockethon 2015 9
1023 Writing a Song Categories Codeforces Codeforces Beta Round #50 9
1024 Ksenia and Combinatorics Categories Codeforces Codeforces Round #224 (Div. 2) 9
1025 Brand New Problem Categories Codeforces Codeforces Round #127 (Div. 1) 9
1026 Liars and Serge Categories Codeforces Codeforces Round #156 (Div. 1) 9
1027 Wilbur and Strings Categories Codeforces Codeforces Round #331 (Div. 2) 9
1028 Shoe Store Categories Codeforces Codeforces Round #113 (Div. 2) 9
1029 Little Elephant and Triangle Categories Codeforces Codeforces Round #136 (Div. 1) 9
1030 Quick Tortoise Categories Codeforces Codeforces Round #144 (Div. 1) 9
1031 Dima and Figure Categories Codeforces Codeforces Round #167 (Div. 1) 9
1032 Pudding Monsters Categories Codeforces Zepto Code Rush 2014 9
1033 Information Reform Categories Codeforces Codeforces Beta Round #64 9
1034 Steaks on Board Categories Timus 9
1035 Caterpillar Categories Codeforces Codeforces Beta Round #48 9
1036 PE Lesson Categories Codeforces ABBYY Cup 3.0 9
1037 Game with Points Categories Codeforces Testing Round #9 9
1038 Arrangement Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) & Codeforces Beta Round #83 (Div. 2 Only) 9
1039 Tree and Table Categories Codeforces Codeforces Round #153 (Div. 1) 10
1040 Longest Increasing Subsequence Categories Codeforces Codeforces Round #315 (Div. 1) 10
1041 Galaxy Union Categories Codeforces School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round #45 (ACM-ICPC Rules) 10
1042 Transforming Sequence Categories Codeforces AIM Tech Round (Div. 1) 10
1043 An easy problem about trees Categories Codeforces MemSQL Start[c]UP 2.0 - Round 2 10
1044 Banners Categories Codeforces Zepto Code Rush 2014 10
1045 Boolean Function Categories Codeforces Codeforces Round #323 (Div. 1) 10
1046 Stock Trading Categories Codeforces Rockethon 2014 10
1047 Random Ranking Categories Codeforces Codeforces Round #183 (Div. 1) 10
1048 Power Defence Categories Codeforces Codeforces Round #115 10
1049 Cookie Clicker Categories Codeforces Codeforces Round #222 (Div. 1) 10
1050 Geometry Categories Live Archive 2005 Asia - Kolkata 10
1051 Kojiro and Furrari Categories Codeforces Codeforces Round #322 (Div. 2) 10
1052 Kyoya and Train Categories Codeforces Codeforces Round #309 (Div. 1) 10
1053 Simba on the Circle Categories Codeforces Educational Codeforces Round 4 10
1054 Mrs. Hudson's Pancakes Categories Codeforces Codeforces Round #110 (Div. 1) 10
1055 Dynamic Programming Categories A2 Online Judge 10
1056 World Evil Categories Codeforces Codeforces Beta Round #58 10
1057 Digits of Number Pi Categories Codeforces Codeforces Round #325 (Div. 1) 10
1058 Subsequences Return Categories Codeforces Codeforces Round #283 (Div. 1) 10
1059 Longest Subsequence Categories Live Archive 2004 Asia - Manila 10
1060 Permanent Categories Codeforces Codeforces Round #268 (Div. 1) 10
1061 Combining Slimes Categories Codeforces Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) 10
1062 Mutation Categories Codeforces All-Ukrainian School Olympiad in Informatics 10
1063 Summer Reading Categories Codeforces Codeforces Round #217 (Div. 2) 10
1064 Cubes Categories Codeforces Codeforces Round #150 (Div. 1) 10
1065 Sequence Transformation Categories Codeforces Codeforces Round #172 (Div. 1) 10
1066 #dynamic-programming&nbsp;(168)</span> Categories SPOJ 10
1067 Xenia and String Problem Categories Codeforces Codeforces Round #207 (Div. 1) 10
1068 Hellish Constraints Categories Codeforces Codeforces Beta Round #99 (Div. 1) 10
1069 Buy One, Get One Free Categories Codeforces MemSQL start[c]up Round 2 - online version 10
1070 Puzzle Lover Categories Codeforces Codeforces Round #339 (Div. 1) 10
1071 Berland Federalization Categories Codeforces Testing Round #10 10
1072 To Hack or not to Hack Categories Codeforces CROC 2016 - Final Round [Private, For Onsite Finalists Only] 10
1073 Dynamic Assignment Problem Categories SPOJ 10
1074 Forward, march! Categories Codeforces Codeforces Beta Round #11 10
1075 New Year Cactus Categories Codeforces Good Bye 2013 10
1076 Help Shrek and Donkey Categories Codeforces Codeforces Beta Round #78 (Div. 1 Only) 10
1077 Jzzhu and Squares Categories Codeforces Codeforces Round #257 (Div. 1) 10
1078 Inversions problem Categories Codeforces Rockethon 2015 10
1079 Colored Jenga Categories Codeforces Codeforces Round #242 (Div. 2) 10
1080 Doe Graphs Categories Codeforces Codeforces Round #144 (Div. 1) & Codeforces Round #144 (Div. 2) 10
1081 Expression Categories Codeforces Codeforces Beta Round #54 (Div. 2) 10
1082 Vasily the Bear and Painting Square Categories Codeforces Codeforces Round #195 (Div. 2) 10
1083 Clever Fat Rat Categories Codeforces Codeforces Round #118 (Div. 1) & Codeforces Round #118 (Div. 2) 10
1084 Red and Black Tree Categories Codeforces Codeforces Round #221 (Div. 1) 10
1085 The Great Marathon Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 10
1086 Transferring Pyramid Categories Codeforces Codeforces Round #206 (Div. 1) 10
1087 Counting Skyscrapers Categories Codeforces MemSQL start[c]up Round 2 - online version 10
1088 Google Code Jam Categories Codeforces Codeforces Round #170 (Div. 1) 10
1089 School Categories Codeforces School Team Contest #3 (Winter Computer School 2010/11) 10
1090 Little Pony and Elements of Harmony Categories Codeforces Codeforces Round #259 (Div. 1) 10
1091 Bear and Cavalry Categories Codeforces Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 1) 10
1092 Deja Vu Categories Codeforces ABBYY Cup 3.0 - Finals (online version) 10
1093 Number of Binominal Coefficients Categories Codeforces Codeforces Round #323 (Div. 1) 10