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