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