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