You must be logged in to add problems to this category

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