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