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Dynamic Programming problems
Problem Name Online Judge Year Contest Difficulty Level
1 Edit distance Categories SPOJ 1
2 No Change Categories SPOJ 1
3 Sweet and Sour Rock Categories SPOJ 1
4 Let Me Count The Ways Categories UVA 1
5 Roads Categories SPOJ 1
6 Candy Categories Live Archive 2008 Latin America - South America 1
7 Hangover Categories PKU 1
8 Assignments Categories SPOJ 1
9 SuperSale Categories UVA 1
10 Bytelandian gold coins Categories SPOJ 1
11 Party Schedule Categories SPOJ 1
12 Tiling a Grid With Dominoes Categories SPOJ 1
13 DIE HARD Categories SPOJ 1
14 Lucky Tickets Categories Timus 1
15 Is Bigger Smarter? Categories UVA 1
16 Binary Lexicographic Sequence Categories Timus 1
17 Ice Sculptures Categories Codeforces VK Cup 2012 Qualification Round 1 1
18 Aibohphobia Categories SPOJ 1
19 Staircases Categories Timus 1
20 Trip Categories SPOJ 1
21 Fool the Police Categories SPOJ 1
22 Seinfeld Categories SPOJ 1
23 Distinct Subsequences Categories SPOJ 1
24 Divisibility Categories UVA 1
25 Enormous Input Test Categories CodeChef 1
26 Ingenuous Cubrency Categories UVA 1
27 Army Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 1
28 Dollars Categories UVA 1
29 Sum of Digits Categories SPOJ 1
30 Exponentiation Categories PKU 1
31 Alphacode Categories SPOJ 1
32 Easy Longest Increasing Subsequence Categories SPOJ 1
33 Homer Simpson Categories UVA 1
34 Tri graphs Categories SPOJ 1
35 Philosophers Stone Categories SPOJ 1
36 Non-Decreasing Digits Categories SPOJ 1
37 Tiling Up Blocks Categories Live Archive 2003 Asia - Kaohsiung 1
38 Rent your airplane and make money Categories SPOJ 1
39 Flags Categories Timus 1
40 Fibonacci Freeze Categories UVA 1
41 Feynman Categories SPOJ 1
42 Maximum Sum Categories Timus 1
43 Help the soldier Categories SPOJ 1
44 Fibonacci Words Categories Live Archive 2012 World Finals - Warsaw 1
45 K-based Numbers. Version 3 Categories Timus 1
46 Railway Tickets Categories Timus 1
47 Chop Ahoy! Revisited! Categories SPOJ 1
48 LATGACH3 Categories SPOJ 1
49 In Danger Categories SPOJ 1
50 Adjacent Bit Counts Categories SPOJ 1
51 Cut Ribbon Categories Codeforces Codeforces Round #119 (Div. 2) 1
52 Prime Permutations Categories CodeChef 1
53 Dividing coins Categories UVA 1
54 How do you add? Categories UVA 1
55 BLAST Categories SPOJ 1
56 A+B Problem Categories PKU 1
57 Rectangles Perimeter Categories SPOJ 1
58 Phidias Categories SPOJ 1
59 Take the Land Categories UVA 1
60 K-based Numbers. Version 2 Categories Timus 1
61 Tile Code Categories Live Archive 2007 Asia - Seoul 1
62 Piggy-Bank Categories SPOJ 1
63 Two Ends Categories SPOJ 1
64 Square Country Categories Timus 1
65 DNA Sequences Categories SPOJ 1
66 Vertex Cover Categories SPOJ 1
67 Metro Categories Timus 1
68 Soft Drinking Categories Codeforces Codeforces Round #107 (Div. 2) 1
69 Sums in a Triangle Categories SPOJ 1
70 Longest Common Subsequence Categories UVA 1
71 Pocket Money Categories SPOJ 1
72 Cross-country Categories SPOJ 1
73 Mixtures Categories SPOJ 1
74 Fishmonger Categories SPOJ 1
75 Square Brackets Categories SPOJ 1
76 The Double HeLiX Categories SPOJ 1
77 Chocolate Categories SPOJ 1
78 Getting in Line Categories UVA 1
79 Largest Submatrix Categories UVA 1
80 Bee Walk Categories SPOJ 1
81 The Tower of Babylon Categories UVA 1
82 Cutting Sticks Categories UVA 1
83 Training for final Categories SPOJ 1
84 Coins Game Categories SPOJ 1
85 THE DRUNK JAILER Categories PKU 1
86 Tower of Babylon Categories SPOJ 1
87 K-based Numbers Categories Timus 1
88 Luggage Categories UVA 1
89 Summing to a Square Prime Categories SPOJ 1
90 Permutations Categories SPOJ 1
91 Maximum Sum Categories UVA 1
92 Palindrome 2000 Categories SPOJ 1
93 Unidirectional TSP Categories UVA 1
94 Scuba diver Categories SPOJ 1
95 Hotels Along the Croatian Coast Categories SPOJ 1
96 Binary Apple Tree Categories Timus 1
97 The 3n + 1 problem Categories UVA 1
98 Treats for the Cows Categories SPOJ 1
99 Distinct Subsequences Categories UVA 1
100 JEDNAKOST Categories SPOJ 2
101 Dab of Backpack Categories SPOJ 2
102 Dice Categories SPOJ 2
103 Con-Junctions Categories SPOJ 2
104 Temptation Island Categories SPOJ 2
105 Collecting Beepers Categories UVA 2
106 Sorting is not easy Categories SPOJ 2
107 Tetrahedron Categories Codeforces Codeforces Round #113 (Div. 2) 2
108 Point Connection Game in a Circle Categories SPOJ 2
109 Problem 3 Categories SPOJ 2
110 Counting The Way of Bracket Replacement Categories SPOJ 2
111 Menu Categories SPOJ 2
112 Marks Distribution Categories UVA 2
113 Tiling Categories UVA 2
114 Mobile Service Categories SPOJ 2
115 Jugs Categories UVA 2
116 False Mirrors Categories Timus 2
117 Physics Practical Categories Codeforces Codeforces Round #154 (Div. 2) 2
118 Feline Olympics - Mouseball Categories SPOJ 2
119 Little Elephant and Painting Categories CodeChef 2
120 Tourist Categories SPOJ 2
121 Palindrome pairs Categories Codeforces VK Cup 2012 Qualification Round 2 2
122 Building Bridges Categories SPOJ 2
123 Musketeers Categories SPOJ 2
124 Another Problem on Strings Categories Codeforces Codeforces Round #112 (Div. 2) 2
125 Flight Planner Categories UVA 2
126 Another Tree Problem Categories SPOJ 2
127 Decoding Morse Sequences Categories SPOJ 2
128 Making A Budget Categories SPOJ 2
129 Particular Palindromes Categories SPOJ 2
130 Blueberries Categories SPOJ 2
131 Up Subsequence Categories SPOJ 2
132 Queue Categories UVA 2
133 Segments Categories Timus 2
134 Optimal Binary Search Tree Categories UVA 2
135 Three-coloring of binary trees Categories SPOJ 2
136 Bit Mask Categories UVA 2
137 MAXIMUM WOOD CUTTER Categories SPOJ 2
138 Milliard Vasya's Function Categories Timus 2
139 Distance in Tree Categories Codeforces VK Cup 2012 Round 1 2
140 Interesting number Categories SPOJ 2
141 Magic Grid Categories SPOJ 2
142 0110SS Categories SPOJ 2
143 The Courier Categories SPOJ 2
144 Pilots Categories SPOJ 2
145 ACM (ACronymMaker) Categories SPOJ 2
146 Bar Codes Categories UVA 2
147 Another Box Problem Categories SPOJ 2
148 Partition Categories SPOJ 2
149 Wedding shopping Categories UVA 2
150 Drop the Triples Categories Live Archive 2007 Latin America - South America 2
151 Nudnik Photographer Categories Timus 2
152 COSTLY CHESS Categories SPOJ 2
153 Weather Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) 2
154 Ministry Categories Timus 2
155 Yoda Goes Palindromic ! Categories SPOJ 2
156 Save Thy Toys Categories SPOJ 2
157 Martian Mining Categories SPOJ 2
158 Candy Categories SPOJ 2
159 The least round way Categories Codeforces Codeforces Beta Round #2 2
160 Always on the run Categories UVA 2
161 String problem Categories SPOJ 2
162 Nested Dolls Categories SPOJ 2
163 I-Keyboard Categories SPOJ 2
164 Anniversary Party Categories Timus 2
165 Chilly Willy Categories Codeforces Codeforces Round #152 (Div. 2) 2
166 Game Show Math Categories UVA 2
167 Bicolored Horses Categories Timus 2
168 Street Categories SPOJ 2
169 Scientific Conference Categories Timus 2
170 Space Elevator Categories PKU 2
171 Threeprime Numbers Categories Timus 3
172 Catch Fish Categories SPOJ 3
173 Sereja and Game Categories CodeChef 3
174 The Matrix Game Categories CodeChef 3
175 Hometask Categories Codeforces Codeforces Round #131 (Div. 2) 3
176 Phone Talks Categories Codeforces VK Cup 2012 Qualification Round 1 3
177 Activities Categories SPOJ 3
178 Mysterious Present Categories Codeforces Codeforces Beta Round #4 (Div. 2 Only) 3
179 Help Bob Categories SPOJ 3
180 ZigZag Categories TopCoder TCCC '03 Semifinals 3 - Div1 easy] (4493) 3
181 Counting K-Rectangle Categories SPOJ 3
182 Mosaic Categories Live Archive 2009 North America - Southeast USA 3
183 Balancing the Stone Categories SPOJ 3
184 String Shuffle Categories SPOJ 3
185 Brackets Sequence Categories Timus 3
186 Mnemonics and Palindromes Categories Timus 3
187 Most Servings Meal Categories SPOJ 3
188 Partition the sequence Categories SPOJ 3
189 Card Sorting Categories SPOJ 3
190 Deliver pizza Categories SPOJ 3
191 Chop Ahoy! Revisited! Categories Live Archive 2005 Africa/Middle East - Arab and North Africa 3
192 Maximum Triangle Area Categories SPOJ 3
193 Chest of Drawers Categories UVA 3
194 Free Candies Categories UVA 3
195 Longest Regular Bracket Sequence Categories Codeforces Codeforces Beta Round #5 3
196 To Add or Not to Add Categories Codeforces Codeforces Round #143 (Div. 2) 3
197 Cards, bags and coins Categories CodeChef 3
198 Barcode Categories Codeforces Codeforces Round #139 (Div. 2) 3
199 Even Palindrome Categories SPOJ 3
200 Zeta-Nim Game Categories CodeChef 3
201 Sense of Beauty Categories Timus 3
202 Leaves Categories SPOJ 3
203 Minus Operation Categories SPOJ 3
204 Esferas Categories SPOJ 3
205 BadNeighbors Categories TopCoder TCCC '04 Round 4 - Div1 easy] (5009) 3
206 Traveling by Stagecoach Categories SPOJ 3
207 Budget Travel Categories UVA 3
208 Slikar Categories SPOJ 3
209 Minimal Coverage Categories Timus 3
210 Black or White Categories SPOJ 3
211 Pearls Categories Live Archive 2002 Europe - Northwestern 3
212 Little Elephant and Movies Categories CodeChef 3
213 Choosing Capital for Treeland Categories Codeforces Codeforces Round #135 (Div. 2) 3
214 Intervals of Monotonicity Categories Timus 3
215 Pleasing Chief Categories CodeChef 3
216 RGBStreet Categories TopCoder SRM 325 - Div2 medium] (10005) 3
217 Caesar's Legions Categories Codeforces Codeforces Beta Round #89 (Div. 2) 3
218 NERED Categories SPOJ 3
219 I-Keyboard Categories Live Archive 2000 Europe - Central 3
220 Orchard Trees Categories UVA 3
221 Buns Categories Codeforces Codeforces Beta Round #82 (Div. 2) 3
222 Fast Food Categories UVA 3
223 How Many O's? Categories UVA 3
224 Bag of mice Categories Codeforces Codeforces Round #105 (Div. 2) 3
225 Gentlemen Categories Timus 3
226 Hierarchy Categories Timus 3
227 Determine it Categories UVA 3
228 Dumb Bones Categories UVA 4
229 Clear Symmetry Categories Codeforces Codeforces Round #127 (Div. 1) & Codeforces Round #127 (Div. 2) 4
230 Best Coalitions Categories UVA 4
231 Substring and Subsequence Categories Codeforces VK Cup 2012 Round 2 4
232 Hometask Categories Codeforces Codeforces Round #109 (Div. 1) & Codeforces Round #109 (Div. 2) 4
233 Communication Fiend Categories Timus 4
234 COUNT PAREN Categories SPOJ 4
235 Folding Categories Timus 4
236 Train Categories Codeforces Codeforces Beta Round #68 4
237 Who is The Boss Categories SPOJ 4
238 SMS Categories Timus 4
239 Solitaire Categories Codeforces Codeforces Round #130 (Div. 2) 4
240 Minion Circle Categories CodeChef 4
241 Bottle Taps Categories Timus 4
242 Lemon Tale Categories Timus 4
243 Message Categories Codeforces Codeforces Round #110 (Div. 1) & Codeforces Round #110 (Div. 2) 4
244 Chocolate Box Categories UVA 4
245 Candy (Again) Categories SPOJ 4
246 Spiders Categories Codeforces School Regional Team Contest, Saratov, 2011 4
247 Queries for Number of Palindromes Categories Codeforces CROC-MBTU 2012, Elimination Round (ACM-ICPC) 4
248 Palindromic Subsequence Categories UVA 4
249 Paid Roads Categories SPOJ 4
250 Common Subsequences Categories SPOJ 4
251 Crack Categories Timus 4
252 Term Strategy Categories UVA 4
253 Chocolate Categories SPOJ 4
254 The Secret of an Aerolite Categories SPOJ 4
255 Boy Scouts Categories SPOJ 4
256 Bribe the Prisoners Categories SPOJ 4
257 Trees Again Categories SPOJ 4
258 Dominoes Categories SPOJ 4
259 Malevich Strikes Back! Categories Timus 4
260 Let go to the movies Categories SPOJ 4
261 Little Elephant and Interval Categories Codeforces Codeforces Round #129 (Div. 1) & Codeforces Round #129 (Div. 2) 4
262 Eternal Victory Categories Codeforces Codeforces Beta Round #57 (Div. 2) 4
263 One-two, One-two 2 Categories Timus 4
264 Dynasty Puzzles Categories Codeforces Codeforces Round #121 (Div. 1) & Codeforces Round #121 (Div. 2) 4
265 Wonderful Randomized Sum Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 4
266 Hackers' Crackdown Categories UVA 4
267 Raucous Rockers Categories UVA 4
268 Bargaining Table Categories Codeforces Codeforces Beta Round #22 (Div. 2 Only) 4
269 Drop the Triples Categories SPOJ 4
270 Najkraci Categories SPOJ 4
271 Many polygons Categories SPOJ 4
272 Password Categories Codeforces Codeforces Beta Round #93 (Div. 1 Only) & Codeforces Beta Round #93 (Div. 2 Only) 4
273 BATMAN3 Categories SPOJ 4
274 Polygon Categories SPOJ 4
275 Mars Canals Categories Timus 4
276 Antimonotonicity Categories UVA 4
277 String reduction Categories SPOJ 4
278 Cargo Agency Categories Timus 5
279 Partial Teacher Categories Codeforces Manthan 2011 5
280 Towers Categories Codeforces Codeforces Round #142 (Div. 1) 5
281 Gasoline Station Categories Timus 5
282 Subsequence Problem Categories SPOJ 5
283 Connect Line Segments Categories SPOJ 5
284 Zeros and Ones Categories UVA 5
285 Petr# Categories Codeforces Codeforces Beta Round #86 (Div. 1 Only) & Codeforces Beta Round #86 (Div. 2 Only) 5
286 Digit Sum Categories UVA 5
287 Palindromes Categories Codeforces Codeforces Beta Round #98 (Div. 2) 5
288 The Bridges of Kolsberg Categories UVA 5
289 Basketball Team Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) & Codeforces Beta Round #83 (Div. 2 Only) 5
290 Batman Categories UVA 5
291 Looking for Order Categories Codeforces Codeforces Beta Round #8 5
292 Convex Polygons Categories SPOJ 5
293 Porcelain Categories Codeforces Codeforces Round #105 (Div. 2) 5
294 INVITATION FOR TECHOFES Categories SPOJ 5
295 Let's Play Osu! Categories Codeforces Codeforces Round #146 (Div. 1) & Codeforces Round #146 (Div. 2) 5
296 CreatureTraining Categories TopCoder TCO08 Round 2 - Div1 medium] (12012) 5
297 Beaver Categories Codeforces Codeforces Beta Round #71 5
298 E-mail Categories Timus 5
299 Decoding Genome Categories Codeforces Codeforces Round #137 (Div. 2) 5
300 Paint templates Categories SPOJ 5
301 Huffmans Greed Categories SPOJ 5
302 Classmates 2 Categories Timus 5
303 BATMAN1 Categories SPOJ 5
304 Shooting Gallery Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 5
305 Wizards and Huge Prize Categories Codeforces Codeforces Round #114 (Div. 1) & Codeforces Round #114 (Div. 2) 5
306 Games with Rectangle Categories Codeforces Codeforces Beta Round #94 (Div. 1 Only) & Codeforces Beta Round #94 (Div. 2 Only) 5
307 Allergy Test Categories UVA 5
308 Little Elephant and Elections Categories Codeforces Codeforces Round #157 (Div. 1) & Codeforces Round #157 (Div. 2) 5
309 Ship Routes Categories Timus 5
310 Expect the Expected Categories UVA 5
311 Police Station Categories Codeforces Codeforces Round #130 (Div. 2) 5
312 Make Psycho Categories SPOJ 5
313 Wooden Fence Categories Codeforces Codeforces Round #117 (Div. 2) 5
314 Spiral Maximum Categories Codeforces Croc Champ 2012 - Round 1 5
315 How many trees? Categories Codeforces Codeforces Beta Round #9 (Div. 2 Only) 5
316 Compatible Numbers Categories Codeforces Codeforces Round #112 (Div. 2) 5
317 Busy Programmer Categories UVA 5
318 Bit by Bit Categories SPOJ 5
319 Logo Turtle Categories Codeforces Codeforces Beta Round #96 (Div. 1) & Codeforces Beta Round #96 (Div. 2) 5
320 DNA Laboratory Categories SPOJ 5
321 Lucky Common Subsequence Categories Codeforces Codeforces Round #201 (Div. 1) & Codeforces Round #201 (Div. 2) 5
322 Independent Attacking Zones Categories UVA 5
323 Coin Changing Again Categories UVA 5
324 Almost Arithmetical Progression Categories Codeforces Codeforces Round #156 (Div. 2) & Codeforces Round #156 (Div. 1) 5
325 Relay Race Categories Codeforces Codeforces Round #131 (Div. 1) & Codeforces Round #131 (Div. 2) 5
326 File List Categories Codeforces VK Cup 2012 Round 3 (Unofficial Div. 2 Edition) 5
327 Cinema Cashier Categories Codeforces Codeforces Beta Round #10 5
328 Optimal Cut Categories UVA 5
329 Beaver Game Categories Codeforces Codeforces Beta Round #70 (Div. 2) 5
330 Tiling Dominoes Categories UVA 5
331 Two out of Three Categories Codeforces Yandex.Algorithm 2011 Qualification 2 5
332 Enemy is weak Categories Codeforces Codeforces Beta Round #57 (Div. 2) 6
333 Enterprise Categories Timus 6
334 Table Categories Codeforces Codeforces Round #144 (Div. 1) & Codeforces Round #144 (Div. 2) 6
335 Animals Categories Codeforces Codeforces Beta Round #35 (Div. 2) 6
336 BATMAN4 Categories SPOJ 6
337 LCIS Categories Codeforces Codeforces Beta Round #10 6
338 Mystic Craft Categories SPOJ 6
339 Fatawy Categories SPOJ 6
340 Education Reform Categories Codeforces Codeforces Beta Round #90 6
341 Lucky Numbers Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) 6
342 Train Categories Timus 6
343 Sort that Queue Categories Live Archive 2005 Africa/Middle East - Arab and North Africa 6
344 Buses Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) & Codeforces Beta Round #79 (Div. 2 Only) 6
345 Playing War Categories UVA 6
346 Fragile Bridges Categories Codeforces Codeforces Round #127 (Div. 1) & Codeforces Round #127 (Div. 2) 6
347 AlgoRace Categories Codeforces Codeforces Round #119 (Div. 1) & Codeforces Round #119 (Div. 2) 6
348 Cubes Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 6
349 Fish Categories Codeforces Codeforces Beta Round #16 (Div. 2 Only) 6
350 Bracket Sequence Categories SPOJ 6
351 A Simple Task Categories Codeforces Codeforces Beta Round #11 6
352 Mouse & a Cheese Categories UVA 6
353 ICPC Team Strategy Categories UVA 6
354 Coloring Brackets Categories Codeforces Codeforces Round #106 (Div. 2) 6
355 Checkout Assistant Categories Codeforces Codeforces Beta Round #19 6
356 IPL - CRICKET TOURNAMENT Categories SPOJ 6
357 Candy Categories UVA 6
358 Kalila and Dimna in the Logging Industry Categories Codeforces Codeforces Round #189 (Div. 1) & Codeforces Round #189 (Div. 2) 6
359 MagicNaming Categories TopCoder SRM 526.5 - Div2 hard] (14762) 6
360 Happiness to People! Categories Timus 6
361 Numbers Categories Codeforces Codeforces Round #131 (Div. 1) & Codeforces Round #131 (Div. 2) 6
362 Optical Experiment Categories Codeforces Manthan 2011 6
363 Word Cut Categories Codeforces Croc Champ 2012 - Round 2 6
364 Sequence Categories Codeforces Codeforces Beta Round #13 6
365 Cipher Categories Codeforces Codeforces Round #110 (Div. 1) & Codeforces Round #110 (Div. 2) 6
366 Number With The Given Amount Of Divisors Categories Codeforces Codeforces Beta Round #27 (Codeforces format, Div. 2) 6
367 Stripe 2 Categories Codeforces Codeforces Alpha Round #21 (Codeforces format) 6
368 Incrementing The Integer Categories SPOJ 6
369 Anniversary Firework Categories Timus 6
370 Let's Go Rolling! Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 6
371 Lucky Subsequence Categories Codeforces Codeforces Round #104 (Div. 1) & Codeforces Round #104 (Div. 2) 6
372 Lizards and Basements 2 Categories Codeforces Codeforces Beta Round #6 (Div. 2 Only) 6
373 Big Maximum Sum Categories Codeforces Codeforces Beta Round #67 (Div. 2) 6
374 Fibonacci Words Categories UVA 6
375 Number Transformation Categories Codeforces Codeforces Round #153 (Div. 1) & Codeforces Round #153 (Div. 2) 6
376 Right Triangles Categories Codeforces Codeforces Testing Round #1 6
377 Roadworks Categories Timus 6
378 Decimation Categories Timus 6
379 Car with powers Categories SPOJ 6
380 Pawn Categories Codeforces Codeforces Beta Round #40 (Div. 2) 6
381 BATMAN2 Categories SPOJ 6
382 Petya and Spiders Categories Codeforces Codeforces Beta Round #85 (Div. 1 Only) & Codeforces Beta Round #85 (Div. 2 Only) 6
383 The Islands Categories UVA 6
384 JUMPING DORA Categories SPOJ 6
385 Interesting Game Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) & Codeforces Beta Round #73 (Div. 2 Only) 6
386 LionAge II Categories Codeforces Codeforces Beta Round #66 6
387 Fence Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) & Codeforces Round #145 (Div. 1, ACM-ICPC Rules) 6
388 Anfisa the Monkey Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 7
389 Lunar Code Categories Timus 7
390 Changing a String Categories Codeforces Codeforces Beta Round #52 (Div. 2) 7
391 Dot Categories Codeforces Codeforces Beta Round #63 (Div. 2) 7
392 Martian Plates Categories Timus 7
393 Name Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 7
394 TheProgrammingContestDivOne Categories TopCoder SRM 502 - Div1 medium] (14431) 7
395 Table Tennis Categories UVA 7
396 Flag 2 Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 7
397 Fibonacci Sums Categories Codeforces Codeforces Beta Round #93 (Div. 1 Only) 7
398 Colored Tiles Categories UVA 7
399 Cats Transport Categories Codeforces Codeforces Round #185 (Div. 1) & Codeforces Round #185 (Div. 2) 7
400 Numbers Categories Codeforces Codeforces Beta Round #72 (Div. 1 Only) 7
401 Eleven Categories UVA 7
402 Bombing Categories Codeforces Codeforces Beta Round #47 7
403 Martian Army Categories Timus 7
404 First Digit Law Categories Codeforces Codeforces Beta Round #50 7
405 Plants vs. Zombies HD SP Categories UVA 7
406 Catch Sheep Categories SPOJ 7
407 Help Caretaker Categories Codeforces Codeforces Round #102 (Div. 1) & Codeforces Round #102 (Div. 2) 7
408 Beavermuncher-0xFF Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) & Codeforces Beta Round #69 (Div. 2 Only) 7
409 Widget Library Categories Codeforces Codeforces Beta Round #74 (Div. 1 Only) & Codeforces Beta Round #74 (Div. 2 Only) 7
410 Join Categories Timus 7
411 Comb Categories Codeforces School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules) 7
412 ACM Diagnostics Categories Timus 7
413 The Top-Code Categories SPOJ 7
414 Eating High Categories Timus 7
415 TV Game Categories Codeforces Codeforces Beta Round #31 (Div. 2, Codeforces format) 7
416 Two Longest Paths Categories UVA 7
417 Alternative Solution Categories Timus 7
418 Atomic Car Race Categories UVA 7
419 World Eater Brothers Categories Codeforces Codeforces Round #148 (Div. 1) & Codeforces Round #148 (Div. 2) 7
420 Fibonacci army Categories Codeforces Unknown Language Round #2 7
421 Lost in Space Categories Timus 7
422 Cactus Categories Codeforces Codeforces Round #143 (Div. 2) 7
423 Petya and Post Categories Codeforces Codeforces Beta Round #61 (Div. 2) 7
424 Fractal Detector Categories Codeforces Codeforces Round #141 (Div. 2) 7
425 Salary for Robots Categories Timus 7
426 Beautiful numbers Categories Codeforces Codeforces Beta Round #51 7
427 Brainfuck Categories Timus 7
428 Brainwashing Device Categories Timus 7
429 Polycarpus the Safecracker Categories Codeforces VK Cup 2012 Round 1 7
430 Camels Categories Codeforces Codeforces Beta Round #14 (Div. 2) 7
431 Yet Another Answer Categories Timus 7
432 Seller Bob Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 7
433 Constants in the language of Shakespeare Categories Codeforces Codeforces Beta Round #96 (Div. 1) 7
434 Common ancestor Categories Codeforces Codeforces Beta Round #46 (Div. 2) 8
435 Little Elephant and Retro Strings Categories Codeforces Codeforces Round #129 (Div. 1) 8
436 Little Elephant and Triangle Categories Codeforces Codeforces Round #136 (Div. 1) 8
437 Dead Ends Categories Codeforces Codeforces Beta Round #49 (Div. 2) 8
438 Triangles Categories Codeforces Codeforces Beta Round #15 8
439 Don't fear, DravDe is kind Categories Codeforces Codeforces Beta Round #28 (Codeforces format) 8
440 Inventory Categories UVA 8
441 Tree Categories Codeforces Codeforces Beta Round #23 8
442 Clearing Up Categories Codeforces Codeforces Round #101 (Div. 2) 8
443 Tourist Categories Codeforces All-Ukrainian School Olympiad in Informatics 8
444 Beautiful Road Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) 8
445 Lucky Arrays Categories Codeforces Codeforces Round #156 (Div. 1) 8
446 Sequence of Balls Categories Codeforces Manthan 2011 8
447 Gifts Categories Codeforces Codeforces Round #142 (Div. 1) 8
448 Phone Number Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 8
449 Periodical Numbers Categories Codeforces Codeforces Round #132 (Div. 2) 8
450 IT Restaurants Categories Codeforces VK Cup 2012 Finals (unofficial online-version) 8
451 Broken robot Categories Codeforces Codeforces Beta Round #24 8
452 Frequent Flyer Card Categories Timus 8
453 Beads Categories Codeforces Codeforces Beta Round #8 8
454 Castle Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) 8
455 Yekaterinburg Subway Categories Timus 8
456 Dormitory Categories Codeforces Codeforces Round #155 (Div. 2) 8
457 Nuclear Fusion Categories Codeforces Codeforces Beta Round #65 (Div. 2) 8
458 Password Categories Codeforces Codeforces Beta Round #71 8
459 Sweets Game Categories Codeforces Codeforces Beta Round #59 (Div. 2) 8
460 Brand New Problem Categories Codeforces Codeforces Round #127 (Div. 1) 8
461 What Has Dirichlet Got to Do with That? Categories Codeforces School Team Contest #1 (Winter Computer School 2010/11) 8
462 Writing a Song Categories Codeforces Codeforces Beta Round #50 8
463 Balance Categories Codeforces Codeforces Beta Round #17 8
464 Linear Kingdom Races Categories Codeforces Codeforces Beta Round #87 (Div. 1 Only) 8
465 Crime Management Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) 8
466 Brackets Categories Codeforces Codeforces Beta Round #92 (Div. 1 Only) & Codeforces Beta Round #92 (Div. 2 Only) 8
467 Domino Carpet Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) 8
468 GO FOR DIAMONDS Categories SPOJ 8
469 Blood Cousins Return Categories Codeforces Codeforces Round #151 (Div. 2) 8
470 Flags Categories Codeforces Codeforces Beta Round #76 (Div. 1 Only) 8
471 Little Elephant and Broken Sorting Categories Codeforces Codeforces Round #157 (Div. 1) 8
472 Genetic engineering Categories Codeforces Yandex.Algorithm 2011 Round 2 8
473 Lucky Country Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) 8
474 Multicolored Marbles Categories Codeforces VK Cup 2012 Finals, Practice Session 8
475 Archer's Travel Categories Timus 8
476 One-Based Arithmetic Categories Codeforces Testing Round #10 8
477 Half-decay tree Categories Codeforces Codeforces Beta Round #62 8
478 Bath Queue Categories Codeforces Codeforces Beta Round #28 (Codeforces format) 8
479 Smart Boy Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 8
480 Defining Macros Categories Codeforces Codeforces Beta Round #7 8
481 Lostborn Categories Codeforces Codeforces Beta Round #76 (Div. 1 Only) 8
482 Ciel and Gondolas Categories Codeforces Codeforces Round #190 (Div. 1) 8
483 Cowboys Categories Codeforces VK Cup 2012 Finals (unofficial online-version) 9
484 Somali Pirates Categories Timus 9
485 Plane of Tanks: Duel Categories Codeforces Codeforces Round #115 9
486 Journey Categories Codeforces Codeforces Beta Round #53 9
487 Information Reform Categories Codeforces Codeforces Beta Round #64 9
488 Lesson Timetable Categories Codeforces Codeforces Beta Round #37 9
489 Power Defence Categories Codeforces Codeforces Round #115 9
490 Faryuks Categories Timus 9
491 Moon Craters Categories Codeforces School Team Contest #1 (Winter Computer School 2010/11) 9
492 Unambiguous Arithmetic Expression Categories Codeforces Codeforces Beta Round #87 (Div. 1 Only) 9
493 World of Darkraft Categories Codeforces Codeforces Beta Round #99 (Div. 1) 9
494 Arrangement Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) & Codeforces Beta Round #83 (Div. 2 Only) 9
495 Horse Races Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) & Codeforces Beta Round #77 (Div. 2 Only) 9
496 Hanger Categories Codeforces Codeforces Beta Round #68 9
497 Two Subsequences Categories Codeforces Codeforces Beta Round #72 (Div. 1 Only) 9
498 Caterpillar Categories Codeforces Codeforces Beta Round #48 9
499 Formurosa Categories Codeforces Codeforces Round #134 (Div. 1) & Codeforces Round #134 (Div. 2) 9
500 Candy Store Categories Live Archive 2012 North America - Southeast USA 9
501 Mission Impassable Categories Codeforces Codeforces Round #107 (Div. 1) 9
502 Candies and Stones Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) 9
503 Pairs Categories Codeforces Yandex.Algorithm Open 2011 Qualification 1 9
504 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
505 Hyper String Categories Codeforces Croc Champ 2012 - Round 2 9
506 Garden Categories Codeforces Codeforces Round #108 (Div. 2) 9
507 Shoe Store Categories Codeforces Codeforces Round #113 (Div. 2) 9
508 T-shirt Categories Codeforces Croc Champ 2012 - Final 9
509 New Year Garland Categories Codeforces Codeforces Round #100 9
510 Liars and Serge Categories Codeforces Codeforces Round #156 (Div. 1) 9
511 The Great Marathon Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 10
512 Clever Fat Rat Categories Codeforces Codeforces Round #118 (Div. 1) & Codeforces Round #118 (Div. 2) 10
513 Steaks on Board Categories Timus 10
514 Piglet's Birthday Categories Codeforces Codeforces Round #152 (Div. 2) & Codeforces Round #152 (Div. 1) 10
515 Cubes Categories Codeforces Codeforces Round #150 (Div. 1) 10
516 Doe Graphs Categories Codeforces Codeforces Round #144 (Div. 1) & Codeforces Round #144 (Div. 2) 10
517 World Evil Categories Codeforces Codeforces Beta Round #58 10
518 Number Challenge Categories Codeforces Codeforces Round #146 (Div. 1) 10
519 Quick Tortoise Categories Codeforces Codeforces Round #144 (Div. 1) 10
520 Donkey and Stars Categories Codeforces Codeforces Round #152 (Div. 1) 10
521 Expression Categories Codeforces Codeforces Beta Round #54 (Div. 2) 10
522 Hellish Constraints Categories Codeforces Codeforces Beta Round #99 (Div. 1) 10
523 Mrs. Hudson's Pancakes Categories Codeforces Codeforces Round #110 (Div. 1) 10
524 Mutation Categories Codeforces All-Ukrainian School Olympiad in Informatics 10
525 Meeting Her Categories Codeforces Codeforces Round #148 (Div. 1) 10
526 Tree and Table Categories Codeforces Codeforces Round #153 (Div. 1) 10
527 Help Shrek and Donkey Categories Codeforces Codeforces Beta Round #78 (Div. 1 Only) 10