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Dynamic Programming problems
Problem Name Online Judge Year Contest Difficulty Level
1 Rectangles Perimeter Categories SPOJ 1
2 Phidias Categories SPOJ 1
3 Piggy-Bank Categories SPOJ 1
4 BLAST Categories SPOJ 1
5 DNA Sequences Categories SPOJ 1
6 SuperSale Categories UVA 1
7 Vertex Cover Categories SPOJ 1
8 DIE HARD Categories SPOJ 1
9 Candy Categories Live Archive 2008 Latin America - South America 1
10 Sums in a Triangle Categories SPOJ 1
11 Hangover Categories PKU 1
12 Two Ends Categories SPOJ 1
13 Pocket Money Categories SPOJ 1
14 Staircases Categories Timus 1
15 Cross-country Categories SPOJ 1
16 Mixtures Categories SPOJ 1
17 Lucky Tickets Categories Timus 1
18 Fishmonger Categories SPOJ 1
19 Square Brackets Categories SPOJ 1
20 Binary Lexicographic Sequence Categories Timus 1
21 Ice Sculptures Categories Codeforces VK Cup 2012 Qualification Round 1 1
22 The Double HeLiX Categories SPOJ 1
23 Chocolate Categories SPOJ 1
24 Bee Walk Categories SPOJ 1
25 Divisibility Categories UVA 1
26 Enormous Input Test Categories CodeChef 1
27 Cutting Sticks Categories UVA 1
28 Coins Game Categories SPOJ 1
29 Tower of Babylon Categories SPOJ 1
30 Aliens at the train Categories SPOJ 1
31 Summing to a Square Prime Categories SPOJ 1
32 Oil Skimming Categories A2 Online Judge 1
33 Permutations Categories SPOJ 1
34 Army Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 1
35 Homer Simpson Categories UVA 1
36 Non-Decreasing Digits Categories SPOJ 1
37 Unidirectional TSP Categories UVA 1
38 Tiling Up Blocks Categories Live Archive 2003 Asia - Kaohsiung 1
39 Scuba diver Categories SPOJ 1
40 Exponentiation Categories PKU 1
41 Treats for the Cows Categories SPOJ 1
42 Easy Longest Increasing Subsequence Categories SPOJ 1
43 Distinct Subsequences Categories UVA 1
44 Palindrome 2000 Categories SPOJ 1
45 Fibonacci Words Categories Live Archive 2012 World Finals - Warsaw 1
46 Railway Tickets Categories Timus 1
47 Edit distance Categories SPOJ 1
48 Flags Categories Timus 1
49 No Change Categories SPOJ 1
50 Fibonacci Freeze Categories UVA 1
51 Maximum Sum Categories Timus 1
52 Cut Ribbon Categories Codeforces Codeforces Round #119 (Div. 2) 1
53 Prime Permutations Categories CodeChef 1
54 Sweet and Sour Rock Categories SPOJ 1
55 Let Me Count The Ways Categories UVA 1
56 Assignments Categories SPOJ 1
57 Bytelandian gold coins Categories SPOJ 1
58 Party Schedule Categories SPOJ 1
59 Tiling a Grid With Dominoes Categories SPOJ 1
60 Roads Categories SPOJ 1
61 Take the Land Categories UVA 1
62 Is Bigger Smarter? Categories UVA 1
63 K-based Numbers. Version 2 Categories Timus 1
64 Tile Code Categories Live Archive 2007 Asia - Seoul 1
65 How do you add? Categories UVA 1
66 Aibohphobia Categories SPOJ 1
67 A+B Problem Categories PKU 1
68 Trip Categories SPOJ 1
69 Fool the Police Categories SPOJ 1
70 Soft Drinking Categories Codeforces Codeforces Round #107 (Div. 2) 1
71 Seinfeld Categories SPOJ 1
72 Longest Common Subsequence Categories UVA 1
73 Distinct Subsequences Categories SPOJ 1
74 Square Country Categories Timus 1
75 Metro Categories Timus 1
76 Dollars Categories UVA 1
77 Ingenuous Cubrency Categories UVA 1
78 Alphacode Categories SPOJ 1
79 The Tower of Babylon Categories UVA 1
80 Tri graphs Categories SPOJ 1
81 Philosophers Stone Categories SPOJ 1
82 Getting in Line Categories UVA 1
83 Rent your airplane and make money Categories SPOJ 1
84 Sum of Digits Categories SPOJ 1
85 Largest Submatrix Categories UVA 1
86 Feynman Categories SPOJ 1
87 Luggage Categories UVA 1
88 Help the soldier Categories SPOJ 1
89 Maximum Sum Categories UVA 1
90 Training for final Categories SPOJ 1
91 THE DRUNK JAILER Categories PKU 1
92 K-based Numbers Categories Timus 1
93 Chop Ahoy! Revisited! Categories SPOJ 1
94 LATGACH3 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 In Danger Categories SPOJ 1
99 Scientific Conference Categories Timus 1
100 Adjacent Bit Counts Categories SPOJ 1
101 Dividing coins Categories UVA 1
102 Pilots Categories SPOJ 2
103 ACM (ACronymMaker) Categories SPOJ 2
104 Boredom Categories Codeforces Codeforces Round #260 (Div. 1) & Codeforces Round #260 (Div. 2) 2
105 Tetrahedron Categories Codeforces Codeforces Round #113 (Div. 2) 2
106 Another Box Problem Categories SPOJ 2
107 Partition Categories SPOJ 2
108 Collecting Beepers Categories UVA 2
109 The Courier Categories SPOJ 2
110 Marks Distribution Categories UVA 2
111 Weather Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) 2
112 Problem 3 Categories SPOJ 2
113 Black or White Categories SPOJ 2
114 False Mirrors Categories Timus 2
115 Mobile Service Categories SPOJ 2
116 Little Elephant and Painting Categories CodeChef 2
117 Yoda Goes Palindromic ! Categories SPOJ 2
118 String problem Categories SPOJ 2
119 Another Problem on Strings Categories Codeforces Codeforces Round #112 (Div. 2) 2
120 Nested Dolls Categories SPOJ 2
121 Palindrome pairs Categories Codeforces VK Cup 2012 Qualification Round 2 2
122 Building Bridges Categories SPOJ 2
123 I-Keyboard Categories SPOJ 2
124 Martian Mining Categories SPOJ 2
125 Candy Categories SPOJ 2
126 Game Show Math Categories UVA 2
127 Blueberries Categories SPOJ 2
128 Street Categories SPOJ 2
129 Flight Planner Categories UVA 2
130 Chilly Willy Categories Codeforces Codeforces Round #152 (Div. 2) 2
131 JEDNAKOST Categories SPOJ 2
132 Dab of Backpack Categories SPOJ 2
133 Bit Mask Categories UVA 2
134 MAXIMUM WOOD CUTTER Categories SPOJ 2
135 Segments Categories Timus 2
136 Optimal Binary Search Tree Categories UVA 2
137 Dice Categories SPOJ 2
138 Con-Junctions Categories SPOJ 2
139 Sorting is not easy Categories SPOJ 2
140 Milliard Vasya's Function Categories Timus 2
141 Maximum Absurdity Categories Codeforces Codeforces Round #193 (Div. 2) 2
142 Temptation Island Categories SPOJ 2
143 Point Connection Game in a Circle Categories SPOJ 2
144 Counting The Way of Bracket Replacement Categories SPOJ 2
145 Menu Categories SPOJ 2
146 Magic Grid Categories SPOJ 2
147 Tiling Categories UVA 2
148 Jugs Categories UVA 2
149 Wedding shopping Categories UVA 2
150 Drop the Triples Categories Live Archive 2007 Latin America - South America 2
151 0110SS Categories SPOJ 2
152 Physics Practical Categories Codeforces Codeforces Round #154 (Div. 2) 2
153 Bar Codes Categories UVA 2
154 Feline Olympics - Mouseball Categories SPOJ 2
155 Ministry Categories Timus 2
156 Nudnik Photographer Categories Timus 2
157 Tourist Categories SPOJ 2
158 COSTLY CHESS Categories SPOJ 2
159 Musketeers Categories SPOJ 2
160 Beautiful People Categories SGU 2
161 Another Tree Problem Categories SPOJ 2
162 Decoding Morse Sequences Categories SPOJ 2
163 Making A Budget Categories SPOJ 2
164 Weights and Measures Categories UVA 2
165 Particular Palindromes Categories SPOJ 2
166 Save Thy Toys Categories SPOJ 2
167 The least round way Categories Codeforces Codeforces Beta Round #2 2
168 Always on the run Categories UVA 2
169 Three-coloring of binary trees Categories SPOJ 2
170 Up Subsequence Categories SPOJ 2
171 Queue Categories UVA 2
172 Bicolored Horses Categories Timus 2
173 Space Elevator Categories PKU 2
174 Anniversary Party Categories Timus 2
175 Interesting number Categories SPOJ 2
176 Chopsticks Categories UVA 2
177 Gargari and Permutations Categories Codeforces Codeforces Round #264 (Div. 2) 3
178 Traveling by Stagecoach Categories SPOJ 3
179 Budget Travel Categories UVA 3
180 Mosaic Categories Live Archive 2009 North America - Southeast USA 3
181 Slikar Categories SPOJ 3
182 Mysterious Present Categories Codeforces Codeforces Beta Round #4 (Div. 2 Only) 3
183 ZigZag Categories TopCoder TCCC '03 Semifinals 3 - Div1 easy] (4493) 3
184 Brackets Sequence Categories Timus 3
185 Most Servings Meal Categories SPOJ 3
186 Mnemonics and Palindromes Categories Timus 3
187 NERED Categories SPOJ 3
188 Fast Food Categories UVA 3
189 Chest of Drawers Categories UVA 3
190 Longest Regular Bracket Sequence Categories Codeforces Codeforces Beta Round #5 3
191 Chop Ahoy! Revisited! Categories Live Archive 2005 Africa/Middle East - Arab and North Africa 3
192 Catch Fish Categories SPOJ 3
193 Zeta-Nim Game Categories CodeChef 3
194 Sense of Beauty Categories Timus 3
195 To Add or Not to Add Categories Codeforces Codeforces Round #143 (Div. 2) 3
196 Activities Categories SPOJ 3
197 Cards, bags and coins Categories CodeChef 3
198 Barcode Categories Codeforces Codeforces Round #139 (Div. 2) 3
199 Counting K-Rectangle Categories SPOJ 3
200 Distance in Tree Categories Codeforces VK Cup 2012 Round 1 3
201 Leaves Categories SPOJ 3
202 Help Bob Categories SPOJ 3
203 Balancing the Stone Categories SPOJ 3
204 String Shuffle Categories SPOJ 3
205 BadNeighbors Categories TopCoder TCCC '04 Round 4 - Div1 easy] (5009) 3
206 Minimal Coverage Categories Timus 3
207 Little Elephant and Movies Categories CodeChef 3
208 Choosing Capital for Treeland Categories Codeforces Codeforces Round #135 (Div. 2) 3
209 Intervals of Monotonicity Categories Timus 3
210 Pleasing Chief Categories CodeChef 3
211 RGBStreet Categories TopCoder SRM 325 - Div2 medium] (10005) 3
212 Partition the sequence Categories SPOJ 3
213 Pearls Categories Live Archive 2002 Europe - Northwestern 3
214 Deliver pizza Categories SPOJ 3
215 Maximum Triangle Area Categories SPOJ 3
216 Free Candies Categories UVA 3
217 Card Sorting Categories SPOJ 3
218 Buns Categories Codeforces Codeforces Beta Round #82 (Div. 2) 3
219 How Many O's? Categories UVA 3
220 Password Categories Codeforces Codeforces Beta Round #93 (Div. 1 Only) & Codeforces Beta Round #93 (Div. 2 Only) 3
221 Bag of mice Categories Codeforces Codeforces Round #105 (Div. 2) 3
222 Caesar's Legions Categories Codeforces Codeforces Beta Round #89 (Div. 2) 3
223 I-Keyboard Categories Live Archive 2000 Europe - Central 3
224 Orchard Trees Categories UVA 3
225 Even Palindrome Categories SPOJ 3
226 Gentlemen Categories Timus 3
227 Hierarchy Categories Timus 3
228 Determine it Categories UVA 3
229 The Matrix Game Categories CodeChef 3
230 Hometask Categories Codeforces Codeforces Round #131 (Div. 2) 3
231 Minus Operation Categories SPOJ 3
232 Esferas Categories SPOJ 3
233 Threeprime Numbers Categories Timus 3
234 Erdos Numbers Categories Live Archive 2000 Europe - Northwestern & Europe - Southwestern & Europe - Mid-Central 3
235 Sereja and Game Categories CodeChef 3
236 Hometask Categories Codeforces Codeforces Round #109 (Div. 1) & Codeforces Round #109 (Div. 2) 4
237 Communication Fiend Categories Timus 4
238 Boy Scouts Categories SPOJ 4
239 Substring and Subsequence Categories Codeforces VK Cup 2012 Round 2 4
240 Phone Talks Categories Codeforces VK Cup 2012 Qualification Round 1 4
241 Trees Again Categories SPOJ 4
242 COUNT PAREN Categories SPOJ 4
243 Digit Sum Categories UVA 4
244 Folding Categories Timus 4
245 Train Categories Codeforces Codeforces Beta Round #68 4
246 Let go to the movies Categories SPOJ 4
247 Bottle Taps Categories Timus 4
248 Hackers' Crackdown Categories UVA 4
249 Lemon Tale Categories Timus 4
250 Drop the Triples Categories SPOJ 4
251 SMS Categories Timus 4
252 Building Bridges(HARD) Categories SPOJ 4
253 Minion Circle Categories CodeChef 4
254 Little Elephant and Blocks Categories CodeChef 4
255 Najkraci Categories SPOJ 4
256 Many polygons Categories SPOJ 4
257 Polygon Categories SPOJ 4
258 Message Categories Codeforces Codeforces Round #110 (Div. 1) & Codeforces Round #110 (Div. 2) 4
259 Antimonotonicity Categories UVA 4
260 Spiders Categories Codeforces School Regional Team Contest, Saratov, 2011 4
261 String reduction Categories SPOJ 4
262 Chocolate Box Categories UVA 4
263 Term Strategy Categories UVA 4
264 Crack Categories Timus 4
265 Chocolate Categories SPOJ 4
266 Bribe the Prisoners Categories SPOJ 4
267 Dominoes Categories SPOJ 4
268 Malevich Strikes Back! Categories Timus 4
269 Who is The Boss Categories SPOJ 4
270 One-two, One-two 2 Categories Timus 4
271 Little Elephant and Interval Categories Codeforces Codeforces Round #129 (Div. 1) & Codeforces Round #129 (Div. 2) 4
272 Raucous Rockers Categories UVA 4
273 Pashmak and Graph Categories Codeforces Codeforces Round #261 (Div. 2) 4
274 Bargaining Table Categories Codeforces Codeforces Beta Round #22 (Div. 2 Only) 4
275 Wonderful Randomized Sum Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 4
276 Candy (Again) Categories SPOJ 4
277 Queries for Number of Palindromes Categories Codeforces CROC-MBTU 2012, Elimination Round (ACM-ICPC) 4
278 BATMAN3 Categories SPOJ 4
279 Palindromic Subsequence Categories UVA 4
280 Paid Roads Categories SPOJ 4
281 Common Subsequences Categories SPOJ 4
282 Mars Canals Categories Timus 4
283 The Secret of an Aerolite Categories SPOJ 4
284 Best Coalitions Categories UVA 4
285 Dumb Bones Categories UVA 4
286 Zeros and Ones Categories UVA 5
287 DNA Laboratory Categories SPOJ 5
288 Basketball Team Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) & Codeforces Beta Round #83 (Div. 2 Only) 5
289 Looking for Order Categories Codeforces Codeforces Beta Round #8 5
290 Porcelain Categories Codeforces Codeforces Round #105 (Div. 2) 5
291 Coin Changing Again Categories UVA 5
292 Almost Arithmetical Progression Categories Codeforces Codeforces Round #156 (Div. 2) & Codeforces Round #156 (Div. 1) 5
293 Petr# Categories Codeforces Codeforces Beta Round #86 (Div. 1 Only) & Codeforces Beta Round #86 (Div. 2 Only) 5
294 Palindromes Categories Codeforces Codeforces Beta Round #98 (Div. 2) 5
295 Fatawy Categories SPOJ 5
296 Independent Attacking Zones Categories UVA 5
297 The Bridges of Kolsberg Categories UVA 5
298 CreatureTraining Categories TopCoder TCO08 Round 2 - Div1 medium] (12012) 5
299 Beaver Categories Codeforces Codeforces Beta Round #71 5
300 INVITATION FOR TECHOFES Categories SPOJ 5
301 Classmates 2 Categories Timus 5
302 Optimal Cut Categories UVA 5
303 E-mail Categories Timus 5
304 Solitaire Categories Codeforces Codeforces Round #130 (Div. 2) 5
305 Decoding Genome Categories Codeforces Codeforces Round #137 (Div. 2) 5
306 Wizards and Huge Prize Categories Codeforces Codeforces Round #114 (Div. 1) & Codeforces Round #114 (Div. 2) 5
307 BATMAN1 Categories SPOJ 5
308 Shooting Gallery Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 5
309 Games with Rectangle Categories Codeforces Codeforces Beta Round #94 (Div. 1 Only) & Codeforces Beta Round #94 (Div. 2 Only) 5
310 Ship Routes Categories Timus 5
311 Connect Line Segments Categories SPOJ 5
312 Expect the Expected Categories UVA 5
313 Police Station Categories Codeforces Codeforces Round #130 (Div. 2) 5
314 Happiness to People! Categories Timus 5
315 Make Psycho Categories SPOJ 5
316 Spiral Maximum Categories Codeforces Croc Champ 2012 - Round 1 5
317 How many trees? Categories Codeforces Codeforces Beta Round #9 (Div. 2 Only) 5
318 Compatible Numbers Categories Codeforces Codeforces Round #112 (Div. 2) 5
319 Batman Categories UVA 5
320 Wooden Fence Categories Codeforces Codeforces Round #117 (Div. 2) 5
321 Convex Polygons Categories SPOJ 5
322 Logo Turtle Categories Codeforces Codeforces Beta Round #96 (Div. 1) & Codeforces Beta Round #96 (Div. 2) 5
323 Let's Play Osu! Categories Codeforces Codeforces Round #146 (Div. 1) & Codeforces Round #146 (Div. 2) 5
324 Busy Programmer Categories UVA 5
325 Bit by Bit Categories SPOJ 5
326 Paint templates Categories SPOJ 5
327 Lucky Common Subsequence Categories Codeforces Codeforces Round #201 (Div. 1) & Codeforces Round #201 (Div. 2) 5
328 Huffmans Greed Categories SPOJ 5
329 Dynasty Puzzles Categories Codeforces Codeforces Round #121 (Div. 1) & Codeforces Round #121 (Div. 2) 5
330 Eternal Victory Categories Codeforces Codeforces Beta Round #57 (Div. 2) 5
331 File List Categories Codeforces VK Cup 2012 Round 3 (Unofficial Div. 2 Edition) 5
332 Cinema Cashier Categories Codeforces Codeforces Beta Round #10 5
333 Allergy Test Categories UVA 5
334 Little Elephant and Elections Categories Codeforces Codeforces Round #157 (Div. 1) & Codeforces Round #157 (Div. 2) 5
335 Two out of Three Categories Codeforces Yandex.Algorithm 2011 Qualification 2 5
336 Beaver Game Categories Codeforces Codeforces Beta Round #70 (Div. 2) 5
337 Tiling Dominoes Categories UVA 5
338 Clear Symmetry Categories Codeforces Codeforces Round #127 (Div. 1) & Codeforces Round #127 (Div. 2) 5
339 Subsequence Problem Categories SPOJ 5
340 Cargo Agency Categories Timus 5
341 Partial Teacher Categories Codeforces Manthan 2011 5
342 Towers Categories Codeforces Codeforces Round #142 (Div. 1) 5
343 Gasoline Station Categories Timus 5
344 Animals Categories Codeforces Codeforces Beta Round #35 (Div. 2) 6
345 BATMAN4 Categories SPOJ 6
346 LCIS Categories Codeforces Codeforces Beta Round #10 6
347 Education Reform Categories Codeforces Codeforces Beta Round #90 6
348 Number Transformation Categories Codeforces Codeforces Round #153 (Div. 1) & Codeforces Round #153 (Div. 2) 6
349 Sort that Queue Categories Live Archive 2005 Africa/Middle East - Arab and North Africa 6
350 Buses Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) & Codeforces Beta Round #79 (Div. 2 Only) 6
351 Lucky Numbers Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) 6
352 Train Categories Timus 6
353 Fragile Bridges Categories Codeforces Codeforces Round #127 (Div. 1) & Codeforces Round #127 (Div. 2) 6
354 AlgoRace Categories Codeforces Codeforces Round #119 (Div. 1) & Codeforces Round #119 (Div. 2) 6
355 Playing War Categories UVA 6
356 ICPC Team Strategy Categories UVA 6
357 Coloring Brackets Categories Codeforces Codeforces Round #106 (Div. 2) 6
358 Checkout Assistant Categories Codeforces Codeforces Beta Round #19 6
359 Cubes Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 6
360 Fish Categories Codeforces Codeforces Beta Round #16 (Div. 2 Only) 6
361 A Simple Task Categories Codeforces Codeforces Beta Round #11 6
362 Candy Categories UVA 6
363 Fence Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) & Codeforces Round #145 (Div. 1, ACM-ICPC Rules) 6
364 IPL - CRICKET TOURNAMENT Categories SPOJ 6
365 MagicNaming Categories TopCoder SRM 526.5 - Div2 hard] (14762) 6
366 Kalila and Dimna in the Logging Industry Categories Codeforces Codeforces Round #189 (Div. 1) & Codeforces Round #189 (Div. 2) 6
367 Numbers Categories Codeforces Codeforces Round #131 (Div. 1) & Codeforces Round #131 (Div. 2) 6
368 Optical Experiment Categories Codeforces Manthan 2011 6
369 Mystic Craft Categories SPOJ 6
370 Stripe 2 Categories Codeforces Codeforces Alpha Round #21 (Codeforces format) 6
371 Anniversary Firework Categories Timus 6
372 Let's Go Rolling! Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 6
373 Word Cut Categories Codeforces Croc Champ 2012 - Round 2 6
374 Sequence Categories Codeforces Codeforces Beta Round #13 6
375 Cipher Categories Codeforces Codeforces Round #110 (Div. 1) & Codeforces Round #110 (Div. 2) 6
376 Number With The Given Amount Of Divisors Categories Codeforces Codeforces Beta Round #27 (Codeforces format, Div. 2) 6
377 Lizards and Basements 2 Categories Codeforces Codeforces Beta Round #6 (Div. 2 Only) 6
378 Lucky Subsequence Categories Codeforces Codeforces Round #104 (Div. 1) & Codeforces Round #104 (Div. 2) 6
379 Big Maximum Sum Categories Codeforces Codeforces Beta Round #67 (Div. 2) 6
380 Fibonacci Words Categories UVA 6
381 Pawn Categories Codeforces Codeforces Beta Round #40 (Div. 2) 6
382 Bracket Sequence Categories SPOJ 6
383 Relay Race Categories Codeforces Codeforces Round #131 (Div. 1) & Codeforces Round #131 (Div. 2) 6
384 Mouse & a Cheese Categories UVA 6
385 Right Triangles Categories Codeforces Codeforces Testing Round #1 6
386 Roadworks Categories Timus 6
387 Decimation Categories Timus 6
388 Car with powers Categories SPOJ 6
389 BATMAN2 Categories SPOJ 6
390 The Islands Categories UVA 6
391 Petya and Spiders Categories Codeforces Codeforces Beta Round #85 (Div. 1 Only) & Codeforces Beta Round #85 (Div. 2 Only) 6
392 LionAge II Categories Codeforces Codeforces Beta Round #66 6
393 JUMPING DORA Categories SPOJ 6
394 The Top-Code Categories SPOJ 6
395 Interesting Game Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) & Codeforces Beta Round #73 (Div. 2 Only) 6
396 Enterprise Categories Timus 6
397 Table Categories Codeforces Codeforces Round #144 (Div. 1) & Codeforces Round #144 (Div. 2) 6
398 Incrementing The Integer Categories SPOJ 6
399 Enemy is weak Categories Codeforces Codeforces Beta Round #57 (Div. 2) 6
400 Flag 2 Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 7
401 Name Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 7
402 TheProgrammingContestDivOne Categories TopCoder SRM 502 - Div1 medium] (14431) 7
403 Fibonacci Sums Categories Codeforces Codeforces Beta Round #93 (Div. 1 Only) 7
404 World Eater Brothers Categories Codeforces Codeforces Round #148 (Div. 1) & Codeforces Round #148 (Div. 2) 7
405 Numbers Categories Codeforces Codeforces Beta Round #72 (Div. 1 Only) 7
406 Eleven Categories UVA 7
407 Cats Transport Categories Codeforces Codeforces Round #185 (Div. 1) & Codeforces Round #185 (Div. 2) 7
408 First Digit Law Categories Codeforces Codeforces Beta Round #50 7
409 Bombing Categories Codeforces Codeforces Beta Round #47 7
410 Martian Army Categories Timus 7
411 Plants vs. Zombies HD SP Categories UVA 7
412 Help Caretaker Categories Codeforces Codeforces Round #102 (Div. 1) & Codeforces Round #102 (Div. 2) 7
413 Beavermuncher-0xFF Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) & Codeforces Beta Round #69 (Div. 2 Only) 7
414 ACM Diagnostics Categories Timus 7
415 Table Tennis Categories UVA 7
416 Eating High Categories Timus 7
417 Sweets Game Categories Codeforces Codeforces Beta Round #59 (Div. 2) 7
418 Join Categories Timus 7
419 Comb Categories Codeforces School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules) 7
420 Alternative Solution Categories Timus 7
421 Atomic Car Race Categories UVA 7
422 TV Game Categories Codeforces Codeforces Beta Round #31 (Div. 2, Codeforces format) 7
423 Merry-go-round Categories Timus 7
424 Colored Tiles Categories UVA 7
425 Lost in Space Categories Timus 7
426 GO FOR DIAMONDS Categories SPOJ 7
427 Catch Sheep Categories SPOJ 7
428 One-Based Arithmetic Categories Codeforces Testing Round #10 7
429 Beautiful numbers Categories Codeforces Codeforces Beta Round #51 7
430 Brainfuck Categories Timus 7
431 Cactus Categories Codeforces Codeforces Round #143 (Div. 2) 7
432 Petya and Post Categories Codeforces Codeforces Beta Round #61 (Div. 2) 7
433 Fractal Detector Categories Codeforces Codeforces Round #141 (Div. 2) 7
434 Salary for Robots Categories Timus 7
435 Yet Another Answer Categories Timus 7
436 Seller Bob Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 7
437 Brainwashing Device Categories Timus 7
438 Polycarpus the Safecracker Categories Codeforces VK Cup 2012 Round 1 7
439 Camels Categories Codeforces Codeforces Beta Round #14 (Div. 2) 7
440 Constants in the language of Shakespeare Categories Codeforces Codeforces Beta Round #96 (Div. 1) 7
441 Lunar Code Categories Timus 7
442 Changing a String Categories Codeforces Codeforces Beta Round #52 (Div. 2) 7
443 Two Longest Paths Categories UVA 7
444 Dot Categories Codeforces Codeforces Beta Round #63 (Div. 2) 7
445 Martian Plates Categories Timus 7
446 Anfisa the Monkey Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 7
447 Inventory Categories UVA 8
448 Tree Categories Codeforces Codeforces Beta Round #23 8
449 Don't fear, DravDe is kind Categories Codeforces Codeforces Beta Round #28 (Codeforces format) 8
450 Blood Cousins Return Categories Codeforces Codeforces Round #151 (Div. 2) 8
451 Little Elephant and Broken Sorting Categories Codeforces Codeforces Round #157 (Div. 1) 8
452 Clearing Up Categories Codeforces Codeforces Round #101 (Div. 2) 8
453 Tourist Categories Codeforces All-Ukrainian School Olympiad in Informatics 8
454 Beautiful Road Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) 8
455 Periodical Numbers Categories Codeforces Codeforces Round #132 (Div. 2) 8
456 IT Restaurants Categories Codeforces VK Cup 2012 Finals (unofficial online-version) 8
457 Sequence of Balls Categories Codeforces Manthan 2011 8
458 Gifts Categories Codeforces Codeforces Round #142 (Div. 1) 8
459 Phone Number Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 8
460 Broken robot Categories Codeforces Codeforces Beta Round #24 8
461 Frequent Flyer Card Categories Timus 8
462 Beads Categories Codeforces Codeforces Beta Round #8 8
463 Castle Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) 8
464 Nuclear Fusion Categories Codeforces Codeforces Beta Round #65 (Div. 2) 8
465 Password Categories Codeforces Codeforces Beta Round #71 8
466 Widget Library Categories Codeforces Codeforces Beta Round #74 (Div. 1 Only) & Codeforces Beta Round #74 (Div. 2 Only) 8
467 Yekaterinburg Subway Categories Timus 8
468 What Has Dirichlet Got to Do with That? Categories Codeforces School Team Contest #1 (Winter Computer School 2010/11) 8
469 Writing a Song Categories Codeforces Codeforces Beta Round #50 8
470 Brand New Problem Categories Codeforces Codeforces Round #127 (Div. 1) 8
471 Balance Categories Codeforces Codeforces Beta Round #17 8
472 Brackets Categories Codeforces Codeforces Beta Round #92 (Div. 1 Only) & Codeforces Beta Round #92 (Div. 2 Only) 8
473 Lucky Arrays Categories Codeforces Codeforces Round #156 (Div. 1) 8
474 Linear Kingdom Races Categories Codeforces Codeforces Beta Round #87 (Div. 1 Only) 8
475 Crime Management Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) 8
476 Fibonacci army Categories Codeforces Unknown Language Round #2 8
477 Lucky Country Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) 8
478 Flags Categories Codeforces Codeforces Beta Round #76 (Div. 1 Only) 8
479 Genetic engineering Categories Codeforces Yandex.Algorithm 2011 Round 2 8
480 Half-decay tree Categories Codeforces Codeforces Beta Round #62 8
481 Multicolored Marbles Categories Codeforces VK Cup 2012 Finals, Practice Session 8
482 Archer's Travel Categories Timus 8
483 Smart Boy Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 8
484 Lov-e Pap Pap-e Polti Categories SPOJ 8
485 Bath Queue Categories Codeforces Codeforces Beta Round #28 (Codeforces format) 8
486 Defining Macros Categories Codeforces Codeforces Beta Round #7 8
487 Dormitory Categories Codeforces Codeforces Round #155 (Div. 2) 8
488 Lostborn Categories Codeforces Codeforces Beta Round #76 (Div. 1 Only) 8
489 Ciel and Gondolas Categories Codeforces Codeforces Round #190 (Div. 1) 8
490 Dead Ends Categories Codeforces Codeforces Beta Round #49 (Div. 2) 8
491 Common ancestor Categories Codeforces Codeforces Beta Round #46 (Div. 2) 8
492 Little Elephant and Retro Strings Categories Codeforces Codeforces Round #129 (Div. 1) 8
493 Little Elephant and Triangle Categories Codeforces Codeforces Round #136 (Div. 1) 8
494 Triangles Categories Codeforces Codeforces Beta Round #15 9
495 Plane of Tanks: Duel Categories Codeforces Codeforces Round #115 9
496 Journey Categories Codeforces Codeforces Beta Round #53 9
497 Information Reform Categories Codeforces Codeforces Beta Round #64 9
498 Faryuks Categories Timus 9
499 Moon Craters Categories Codeforces School Team Contest #1 (Winter Computer School 2010/11) 9
500 Lesson Timetable Categories Codeforces Codeforces Beta Round #37 9
501 Power Defence Categories Codeforces Codeforces Round #115 9
502 Liars and Serge Categories Codeforces Codeforces Round #156 (Div. 1) 9
503 Unambiguous Arithmetic Expression Categories Codeforces Codeforces Beta Round #87 (Div. 1 Only) 9
504 World of Darkraft Categories Codeforces Codeforces Beta Round #99 (Div. 1) 9
505 Arrangement Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) & Codeforces Beta Round #83 (Div. 2 Only) 9
506 Two Subsequences Categories Codeforces Codeforces Beta Round #72 (Div. 1 Only) 9
507 Horse Races Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) & Codeforces Beta Round #77 (Div. 2 Only) 9
508 Hanger Categories Codeforces Codeforces Beta Round #68 9
509 Formurosa Categories Codeforces Codeforces Round #134 (Div. 1) & Codeforces Round #134 (Div. 2) 9
510 Caterpillar Categories Codeforces Codeforces Beta Round #48 9
511 Mission Impassable Categories Codeforces Codeforces Round #107 (Div. 1) 9
512 StackingBoxes Categories TopCoder SRM 261 - Div1 hard] (7995) 9
513 Candy Store Categories Live Archive 2012 North America - Southeast USA 9
514 Candies and Stones Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) 9
515 Pairs Categories Codeforces Yandex.Algorithm Open 2011 Qualification 1 9
516 Domino Carpet Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) 9
517 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
518 Garden Categories Codeforces Codeforces Round #108 (Div. 2) 9
519 Shoe Store Categories Codeforces Codeforces Round #113 (Div. 2) 9
520 T-shirt Categories Codeforces Croc Champ 2012 - Final 9
521 Hyper String Categories Codeforces Croc Champ 2012 - Round 2 9
522 New Year Garland Categories Codeforces Codeforces Round #100 9
523 Cowboys Categories Codeforces VK Cup 2012 Finals (unofficial online-version) 9
524 Somali Pirates Categories Timus 9
525 The Great Marathon Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 10
526 Clever Fat Rat Categories Codeforces Codeforces Round #118 (Div. 1) & Codeforces Round #118 (Div. 2) 10
527 Steaks on Board Categories Timus 10
528 World Evil Categories Codeforces Codeforces Beta Round #58 10
529 Meeting Her Categories Codeforces Codeforces Round #148 (Div. 1) 10
530 Tree and Table Categories Codeforces Codeforces Round #153 (Div. 1) 10
531 K-based Numbers. Version 3 Categories Timus 10
532 Expression Categories Codeforces Codeforces Beta Round #54 (Div. 2) 10
533 Dynamic Assignment Problem Categories SPOJ 10
534 Cubes Categories Codeforces Codeforces Round #150 (Div. 1) 10
535 Doe Graphs Categories Codeforces Codeforces Round #144 (Div. 1) & Codeforces Round #144 (Div. 2) 10
536 Hellish Constraints Categories Codeforces Codeforces Beta Round #99 (Div. 1) 10
537 Piglet's Birthday Categories Codeforces Codeforces Round #152 (Div. 2) & Codeforces Round #152 (Div. 1) 10
538 Mrs. Hudson's Pancakes Categories Codeforces Codeforces Round #110 (Div. 1) 10
539 Number Challenge Categories Codeforces Codeforces Round #146 (Div. 1) 10
540 Quick Tortoise Categories Codeforces Codeforces Round #144 (Div. 1) 10
541 Donkey and Stars Categories Codeforces Codeforces Round #152 (Div. 1) 10
542 Help Shrek and Donkey Categories Codeforces Codeforces Beta Round #78 (Div. 1 Only) 10
543 Mutation Categories Codeforces All-Ukrainian School Olympiad in Informatics 10