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