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