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Dynamic Programming problems
Problem Name Online Judge Year Contest Difficulty Level
1 Vacation Categories UVA 1
2 SuperSale Categories UVA 1
3 Cheap Travel Categories Codeforces Codeforces Round #266 (Div. 2) 1
4 Dividing coins Categories UVA 1
5 History Grading Categories UVA 1
6 Hangover Categories PKU 1
7 Membership Management Categories Live Archive 2010 Asia - Tokyo 1
8 Piggy-Bank Categories SPOJ 1
9 Staircases Categories Timus 1
10 BLAST Categories SPOJ 1
11 Collecting Beepers Categories UVA 1
12 The Knapsack Problem Categories SPOJ 1
13 Lucky Tickets Categories Timus 1
14 Rectangles Perimeter Categories SPOJ 1
15 Phidias Categories SPOJ 1
16 Binary Lexicographic Sequence Categories Timus 1
17 DIE HARD Categories SPOJ 1
18 Treats for the Cows Categories SPOJ 1
19 Candy Categories Live Archive 2008 Latin America - South America 1
20 Palindrome 2000 Categories SPOJ 1
21 Unidirectional TSP Categories UVA 1
22 Scuba diver Categories SPOJ 1
23 Chop Ahoy! Revisited! Categories SPOJ 1
24 LATGACH3 Categories SPOJ 1
25 Optimal Array Multiplication Sequence Categories UVA 1
26 In Danger Categories SPOJ 1
27 Ice Sculptures Categories Codeforces VK Cup 2012 Qualification Round 1 1
28 Adjacent Bit Counts Categories SPOJ 1
29 Robot Instructions Categories UVA 1
30 Longest Palindrome Categories UVA 1
31 Divisibility Categories UVA 1
32 Strategic Defense Initiative Categories UVA 1
33 Homer Simpson Categories UVA 1
34 Enormous Input Test Categories CodeChef 1
35 Cutting Sticks Categories UVA 1
36 Longest Match Categories UVA 1
37 Chocolate Categories SPOJ 1
38 Compromise Categories UVA 1
39 Cut Ribbon Categories Codeforces Codeforces Round #119 (Div. 2) 1
40 Exponentiation Categories PKU 1
41 Bee Walk Categories SPOJ 1
42 Grandpa's Walk Categories Live Archive 2012 Asia - Jakarta 1
43 Easy Longest Increasing Subsequence Categories SPOJ 1
44 Aliens at the train Categories SPOJ 1
45 Maximum Sum Categories Timus 1
46 Summing to a Square Prime Categories SPOJ 1
47 Permutations Categories SPOJ 1
48 Martian Mining Categories SPOJ 1
49 Candy Categories SPOJ 1
50 Railway Tickets Categories Timus 1
51 Flags Categories Timus 1
52 Coins Game Categories SPOJ 1
53 Army Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 1
54 Tower of Babylon Categories SPOJ 1
55 String to Palindrome Categories UVA 1
56 Aibohphobia Categories SPOJ 1
57 Trip Categories SPOJ 1
58 Fool the Police Categories SPOJ 1
59 Is Bigger Smarter? Categories UVA 1
60 Non-Decreasing Digits Categories SPOJ 1
61 Tiling Up Blocks Categories Live Archive 2003 Asia - Kaohsiung 1
62 Pocket Money Categories SPOJ 1
63 Fibonacci Freeze Categories UVA 1
64 Cross-country Categories SPOJ 1
65 Mixtures Categories SPOJ 1
66 Fishmonger Categories SPOJ 1
67 Square Brackets Categories SPOJ 1
68 Fibonacci Words Categories Live Archive 2012 World Finals - Warsaw 1
69 Making Change Categories TJU 1
70 The Double HeLiX Categories SPOJ 1
71 Sweet and Sour Rock Categories SPOJ 1
72 Prime Permutations Categories CodeChef 1
73 K-based Numbers. Version 2 Categories Timus 1
74 Let Me Count The Ways Categories UVA 1
75 The Twin Towers Categories UVA 1
76 How do you add? Categories UVA 1
77 A+B Problem Categories PKU 1
78 23 out of 5 Categories UVA 1
79 Metro Categories Timus 1
80 Bytelandian gold coins Categories SPOJ 1
81 Party Schedule Categories SPOJ 1
82 Magic Grid Categories SPOJ 1
83 The Great Ball Categories SPOJ 1
84 Tiling a Grid With Dominoes Categories SPOJ 1
85 Ultra-Fast Mathematician Categories Codeforces Codeforces Beta Round #57 (Div. 2) 1
86 Roads Categories SPOJ 1
87 Square Country Categories Timus 1
88 Assignments Categories SPOJ 1
89 Given Length and Sum of Digits... Categories Codeforces Codeforces Round #277.5 (Div. 2) 1
90 0110SS Categories SPOJ 1
91 Feynman Categories SPOJ 1
92 Take the Land Categories UVA 1
93 Help the soldier Categories SPOJ 1
94 Tile Code Categories Live Archive 2007 Asia - Seoul 1
95 Longest Common Subsequence Categories UVA 1
96 Longest Run on a Snowboard Categories UVA 1
97 Edit distance Categories SPOJ 1
98 Pebble Solitaire Categories UVA 1
99 No Change Categories SPOJ 1
100 Soft Drinking Categories Codeforces Codeforces Round #107 (Div. 2) 1
101 Distinct Subsequences Categories UVA 1
102 THE DRUNK JAILER Categories PKU 1
103 K-based Numbers Categories Timus 1
104 Dollars Categories UVA 1
105 Testing the CATCHER Categories UVA 1
106 Luggage Categories UVA 1
107 Ingenuous Cubrency Categories UVA 1
108 Stacking Boxes Categories UVA 1
109 Maximum Sum Categories UVA 1
110 Training for final Categories SPOJ 1
111 Coin Change Categories UVA 1
112 T-primes Categories Codeforces Codeforces Round #142 (Div. 2) 1
113 The Tower of Babylon Categories UVA 1
114 Rent your airplane and make money Categories SPOJ 1
115 Binary Apple Tree Categories Timus 1
116 Sum of Digits Categories SPOJ 1
117 Scientific Conference Categories Timus 1
118 Getting in Line Categories UVA 1
119 Largest Submatrix Categories UVA 1
120 Alphacode Categories SPOJ 1
121 To the Max Categories PKU 1
122 Philosophers Stone Categories SPOJ 1
123 Tri graphs Categories SPOJ 1
124 Sums in a Triangle Categories SPOJ 1
125 Two Ends Categories SPOJ 1
126 DNA Sequences Categories SPOJ 1
127 Vertex Cover Categories SPOJ 1
128 The 3n + 1 problem Categories UVA 1
129 Jugs Categories UVA 1
130 Seinfeld Categories SPOJ 1
131 Distinct Subsequences Categories SPOJ 1
132 String Computer Categories UVA 1
133 Hotels Along the Croatian Coast Categories SPOJ 1
134 Generations of Tribbles Categories Live Archive 2013 North America - Pacific Northwest 2
135 Chopsticks Categories UVA 2
136 Marks Distribution Categories UVA 2
137 Mysterious Present Categories Codeforces Codeforces Beta Round #4 (Div. 2 Only) 2
138 Interesting number Categories SPOJ 2
139 Sum of Different Primes Categories UVA 2
140 Diving for Gold Categories UVA 2
141 Partition Categories SPOJ 2
142 False Mirrors Categories Timus 2
143 The Courier Categories SPOJ 2
144 ACM (ACronymMaker) Categories SPOJ 2
145 Pilots Categories SPOJ 2
146 Boredom Categories Codeforces Codeforces Round #260 (Div. 1) & Codeforces Round #260 (Div. 2) 2
147 Another Box Problem Categories SPOJ 2
148 Problem 3 Categories SPOJ 2
149 Street Categories SPOJ 2
150 Queue Categories UVA 2
151 Mobile Service Categories SPOJ 2
152 Little Red Riding Hood Categories UVA 2
153 Before an Exam Categories Codeforces Codeforces Beta Round #4 (Div. 2 Only) 2
154 Game of Sum Categories UVA 2
155 Yoda Goes Palindromic ! Categories SPOJ 2
156 Flight Planner Categories UVA 2
157 Murcia's Skyline Categories UVA 2
158 Little Elephant and Painting Categories CodeChef 2
159 Nested Dolls Categories SPOJ 2
160 XOR Maximization Categories SPOJ 2
161 I-Keyboard Categories SPOJ 2
162 Building Bridges Categories SPOJ 2
163 NERED Categories SPOJ 2
164 Flowers Categories Codeforces Codeforces Round #271 (Div. 2) 2
165 Segments Categories Timus 2
166 Travelling Salesman Categories UVA 2
167 String problem Categories SPOJ 2
168 Blueberries Categories SPOJ 2
169 Milliard Vasya's Function Categories Timus 2
170 Boxes Categories UVA 2
171 Bit Mask Categories UVA 2
172 Cow Frisbee Team Categories TJU 2
173 MAXIMUM WOOD CUTTER Categories SPOJ 2
174 Again Palindrome Categories UVA 2
175 Tower of Cubes Categories UVA 2
176 Optimal Binary Search Tree Categories UVA 2
177 Slurpys Categories UVA 2
178 Make Palindrome Categories UVA 2
179 Divisible Group Sums Categories UVA 2
180 Bar Codes Categories UVA 2
181 Trouble of 13-Dots Categories UVA 2
182 Wedding shopping Categories UVA 2
183 Activities Categories SPOJ 2
184 Maximum Absurdity Categories Codeforces Codeforces Round #193 (Div. 2) 2
185 k-Tree Categories Codeforces Codeforces Round #247 (Div. 2) 2
186 Temptation Island Categories SPOJ 2
187 Simple Minded Hashing Categories UVA 2
188 Sorting is not easy Categories SPOJ 2
189 Tiling Categories UVA 2
190 Ministry Categories Timus 2
191 Point Connection Game in a Circle Categories SPOJ 2
192 Nudnik Photographer Categories Timus 2
193 Counting The Way of Bracket Replacement Categories SPOJ 2
194 Three-coloring of binary trees Categories SPOJ 2
195 Drop the Triples Categories Live Archive 2007 Latin America - South America 2
196 Up Subsequence Categories SPOJ 2
197 Tetrahedron Categories Codeforces Codeforces Round #113 (Div. 2) 2
198 Fibo Categories A2 Online Judge 2
199 The Bale Tower Categories TJU 2
200 Chilly Willy Categories Codeforces Codeforces Round #152 (Div. 2) 2
201 JEDNAKOST Categories SPOJ 2
202 String Distance and Transform Process Categories UVA 2
203 Game Show Math Categories UVA 2
204 Dab of Backpack Categories SPOJ 2
205 String Partition Categories UVA 2
206 Catch Fish Categories SPOJ 2
207 COSTLY CHESS Categories SPOJ 2
208 George and Job Categories Codeforces Codeforces Round #267 (Div. 2) 2
209 Dice Categories SPOJ 2
210 Scheduling Lectures Categories UVA 2
211 Con-Junctions Categories SPOJ 2
212 Musketeers Categories SPOJ 2
213 Equal Sum Sets Categories Live Archive 2013 Asia - Aizu 2
214 Beautiful People Categories SGU 2
215 Pearls Categories Live Archive 2002 Europe - Northwestern 2
216 The Marriage Interview :-) Categories UVA 2
217 The least round way Categories Codeforces Codeforces Beta Round #2 2
218 Walking on the Safe Side Categories UVA 2
219 Particular Palindromes Categories SPOJ 2
220 Weights and Measures Categories UVA 2
221 Painting the balls Categories SGU 2
222 Bicolored Horses Categories Timus 2
223 Black-White Grid Categories Live Archive 2006 Asia - Hanoi 2
224 Card Sorting Categories SPOJ 2
225 Anniversary Party Categories Timus 2
226 Another Tree Problem Categories SPOJ 2
227 Decoding Morse Sequences Categories SPOJ 2
228 Making A Budget Categories SPOJ 2
229 Palindrome pairs Categories Codeforces VK Cup 2012 Qualification Round 2 2
230 Black or White Categories SPOJ 2
231 Save Thy Toys Categories SPOJ 2
232 Always on the run Categories UVA 2
233 Rain Categories SPOJ 2
234 Orchard Trees Categories UVA 2
235 Threeprime Numbers Categories Timus 2
236 Another Problem on Strings Categories Codeforces Codeforces Round #112 (Div. 2) 2
237 How Many O's? Categories UVA 2
238 Space Elevator Categories PKU 2
239 Crime Wave - The Sequel Categories UVA 2
240 Feline Olympics - Mouseball Categories SPOJ 2
241 Physics Practical Categories Codeforces Codeforces Round #154 (Div. 2) 2
242 Tourist Categories SPOJ 2
243 Esferas Categories SPOJ 3
244 Erdos Numbers Categories Live Archive 2000 Europe - Northwestern & Europe - Southwestern & Europe - Mid-Central 3
245 Sereja and Game Categories CodeChef 3
246 ZigZag Categories TopCoder TCCC '03 Semifinals 3 - Div1 easy] (4493) 3
247 Minus Operation Categories SPOJ 3
248 The Matrix Game Categories CodeChef 3
249 Traveling by Stagecoach Categories SPOJ 3
250 Gargari and Permutations Categories Codeforces Codeforces Round #264 (Div. 2) 3
251 Budget Travel Categories UVA 3
252 Fetching Cooking Tools Categories CodeChef 3
253 Brackets Sequence Categories Timus 3
254 End up with More Teams Categories UVA 3
255 Fibonacci System Categories Live Archive 2008 Europe - Northeastern 3
256 Antimonotonicity Categories UVA 3
257 Mnemonics and Palindromes Categories Timus 3
258 Distance in Tree Categories Codeforces VK Cup 2012 Round 1 3
259 Mosaic Categories Live Archive 2009 North America - Southeast USA 3
260 Antimatter Ray Clearcutting Categories UVA 3
261 Even Palindrome Categories SPOJ 3
262 Common Subsequences Categories SPOJ 3
263 To Add or Not to Add Categories Codeforces Codeforces Round #143 (Div. 2) 3
264 Barcode Categories Codeforces Codeforces Round #139 (Div. 2) 3
265 Chest of Drawers Categories UVA 3
266 Longest Regular Bracket Sequence Categories Codeforces Codeforces Beta Round #5 3
267 Hackers' Crackdown Categories UVA 3
268 Most Servings Meal Categories SPOJ 3
269 Fast Food Categories UVA 3
270 Polygon Categories SPOJ 3
271 Sense of Beauty Categories Timus 3
272 Balancing the Stone Categories SPOJ 3
273 Chop Ahoy! Revisited! Categories Live Archive 2005 Africa/Middle East - Arab and North Africa 3
274 String Shuffle Categories SPOJ 3
275 Buns Categories Codeforces Codeforces Beta Round #82 (Div. 2) 3
276 Password Categories Codeforces Codeforces Beta Round #93 (Div. 1 Only) & Codeforces Beta Round #93 (Div. 2 Only) 3
277 Weather Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) 3
278 Bag of mice Categories Codeforces Codeforces Round #105 (Div. 2) 3
279 Caesar's Legions Categories Codeforces Codeforces Beta Round #89 (Div. 2) 3
280 Term Strategy Categories UVA 3
281 Pebbles Categories Live Archive 2007 North America - Pacific Northwest & North America - Southern California 3
282 Choosing Capital for Treeland Categories Codeforces Codeforces Round #135 (Div. 2) 3
283 Cards, bags and coins Categories CodeChef 3
284 Zeta-Nim Game Categories CodeChef 3
285 BadNeighbors Categories TopCoder TCCC '04 Round 4 - Div1 easy] (5009) 3
286 Minimal Coverage Categories Timus 3
287 Leaves Categories SPOJ 3
288 Help Bob Categories SPOJ 3
289 Counting K-Rectangle Categories SPOJ 3
290 Magic, Wizardry and Wonders Categories Codeforces Codeforces Round #143 (Div. 2) 3
291 Menu Categories SPOJ 3
292 Bribe the Prisoners Categories SPOJ 3
293 Paid Roads Categories SPOJ 3
294 Intervals of Monotonicity Categories Timus 3
295 Pleasing Chief Categories CodeChef 3
296 RGBStreet Categories TopCoder SRM 325 - Div2 medium] (10005) 3
297 Partition the sequence Categories SPOJ 3
298 Fortune Telling Categories Codeforces Codeforces Beta Round #55 (Div. 2) 3
299 Hometask Categories Codeforces Codeforces Round #131 (Div. 2) 3
300 Little Elephant and Movies Categories CodeChef 3
301 Maximum Triangle Area Categories SPOJ 3
302 Candy (Again) Categories SPOJ 3
303 Free Candies Categories UVA 3
304 Deliver pizza Categories SPOJ 3
305 Handball Categories UVA 3
306 Matches Categories UVA 3
307 Gentlemen Categories Timus 3
308 Hierarchy Categories Timus 3
309 BATMAN3 Categories SPOJ 3
310 I-Keyboard Categories Live Archive 2000 Europe - Central 3
311 Slikar Categories SPOJ 3
312 Hippity Hopscotch Categories UVA 3
313 Many Paths, One Destination Categories UVA 3
314 Determine it Categories UVA 3
315 Walking Around Wisely Categories UVA 3
316 Color Stripe Categories Codeforces Codeforces Round #135 (Div. 2) 3
317 Best Coalitions Categories UVA 4
318 Dumb Bones Categories UVA 4
319 Probablistic OR Categories SPOJ 4
320 The Secret of an Aerolite Categories SPOJ 4
321 Zeros and Ones Categories UVA 4
322 Trees Again Categories SPOJ 4
323 Little Pony and Harmony Chest Categories Codeforces Codeforces Round #259 (Div. 1) & Codeforces Round #259 (Div. 2) 4
324 Folding Categories Timus 4
325 Boy Scouts Categories SPOJ 4
326 Communication Fiend Categories Timus 4
327 Fewest Flops Categories UVA 4
328 String reduction Categories SPOJ 4
329 Bottle Taps Categories Timus 4
330 Lemon Tale Categories Timus 4
331 Digit Sum Categories UVA 4
332 Classmates 2 Categories Timus 4
333 The Bridges of Kolsberg Categories UVA 4
334 SMS Categories Timus 4
335 COUNT PAREN Categories SPOJ 4
336 Matchsticks Categories TJU 4
337 Queries for Number of Palindromes Categories Codeforces CROC-MBTU 2012, Elimination Round (ACM-ICPC) 4
338 Drop the Triples Categories SPOJ 4
339 Bright Bracelet Categories Live Archive 2003 North America - Mid-Central USA 4
340 Building Bridges(HARD) Categories SPOJ 4
341 Minion Circle Categories CodeChef 4
342 BATMAN1 Categories SPOJ 4
343 A Lot of Games Categories Codeforces Codeforces Round #260 (Div. 1) & Codeforces Round #260 (Div. 2) 4
344 Account Book Categories UVA 4
345 Najkraci Categories SPOJ 4
346 Little Elephant and Blocks Categories CodeChef 4
347 Many polygons Categories SPOJ 4
348 Chocolate Box Categories UVA 4
349 Crack Categories Timus 4
350 Let go to the movies Categories SPOJ 4
351 Little Elephant and Interval Categories Codeforces Codeforces Round #129 (Div. 1) & Codeforces Round #129 (Div. 2) 4
352 Make Psycho Categories SPOJ 4
353 Another Assignment Problem Categories SPOJ 4
354 Beautiful Numbers Categories UVA 4
355 Chocolate Categories SPOJ 4
356 Destruction Cannon Categories URI 4
357 Malevich Strikes Back! Categories Timus 4
358 Phone Talks Categories Codeforces VK Cup 2012 Qualification Round 1 4
359 One-two, One-two 2 Categories Timus 4
360 Hometask Categories Codeforces Codeforces Round #109 (Div. 1) & Codeforces Round #109 (Div. 2) 4
361 Bit by Bit Categories SPOJ 4
362 Substring and Subsequence Categories Codeforces VK Cup 2012 Round 2 4
363 Palindromic Subsequence Categories UVA 4
364 Bargaining Table Categories Codeforces Codeforces Beta Round #22 (Div. 2 Only) 4
365 Dominoes Categories SPOJ 4
366 Train Categories Codeforces Codeforces Beta Round #68 4
367 Car with powers Categories SPOJ 4
368 IOI07 Miners Categories SPOJ 4
369 Mars Canals Categories Timus 4
370 Raucous Rockers Categories UVA 4
371 Pashmak and Graph Categories Codeforces Codeforces Round #261 (Div. 2) 4
372 Message Categories Codeforces Codeforces Round #110 (Div. 1) & Codeforces Round #110 (Div. 2) 4
373 Who is The Boss Categories SPOJ 4
374 AGTC Categories UVA 4
375 Tiling Dominoes Categories UVA 4
376 Spiders Categories Codeforces School Regional Team Contest, Saratov, 2011 4
377 Fatawy Categories SPOJ 5
378 Solitaire Categories Codeforces Codeforces Round #130 (Div. 2) 5
379 Decoding Genome Categories Codeforces Codeforces Round #137 (Div. 2) 5
380 Looking for Order Categories Codeforces Codeforces Beta Round #8 5
381 Subsequence Problem Categories SPOJ 5
382 Train Categories Timus 5
383 DNA Laboratory Categories SPOJ 5
384 BATMAN4 Categories SPOJ 5
385 Avoiding Jungle in the Dark Categories UVA 5
386 Increase Sequence Categories Codeforces Codeforces Round #266 (Div. 2) 5
387 E-mail Categories Timus 5
388 Compatible Numbers Categories Codeforces Codeforces Round #112 (Div. 2) 5
389 INVITATION FOR TECHOFES Categories SPOJ 5
390 Little Elephant and Elections Categories Codeforces Codeforces Round #157 (Div. 1) & Codeforces Round #157 (Div. 2) 5
391 Logo Turtle Categories Codeforces Codeforces Beta Round #96 (Div. 1) & Codeforces Beta Round #96 (Div. 2) 5
392 CreatureTraining Categories TopCoder TCO08 Round 2 - Div1 medium] (12012) 5
393 Optimal Cut Categories UVA 5
394 Police Station Categories Codeforces Codeforces Round #130 (Div. 2) 5
395 Ship Routes Categories Timus 5
396 WordMath Categories TopCoder Unknown () 5
397 Paint the Tree Categories CodeChef 5
398 ICPC Team Strategy Categories UVA 5
399 Happiness to People! Categories Timus 5
400 Candy Categories UVA 5
401 File List Categories Codeforces VK Cup 2012 Round 3 (Unofficial Div. 2 Edition) 5
402 IPL - CRICKET TOURNAMENT Categories SPOJ 5
403 How many trees? Categories Codeforces Codeforces Beta Round #9 (Div. 2 Only) 5
404 Almost Arithmetical Progression Categories Codeforces Codeforces Round #156 (Div. 2) & Codeforces Round #156 (Div. 1) 5
405 Independent Attacking Zones Categories UVA 5
406 Expect the Expected Categories UVA 5
407 Two out of Three Categories Codeforces Yandex.Algorithm 2011 Qualification 2 5
408 Dynasty Puzzles Categories Codeforces Codeforces Round #121 (Div. 1) & Codeforces Round #121 (Div. 2) 5
409 Connect Line Segments Categories SPOJ 5
410 Batman Categories UVA 5
411 Convex Polygons Categories SPOJ 5
412 Mr. Kitayuta, the Treasure Hunter Categories Codeforces Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1) 5
413 Count Digits Categories CodeChef 5
414 Summing Slopes Categories CodeChef 5
415 Balanced Numbers Categories SPOJ 5
416 Eternal Victory Categories Codeforces Codeforces Beta Round #57 (Div. 2) 5
417 Busy Programmer Categories UVA 5
418 Allergy Test Categories UVA 5
419 Roadworks Categories Timus 5
420 Petr# Categories Codeforces Codeforces Beta Round #86 (Div. 1 Only) & Codeforces Beta Round #86 (Div. 2 Only) 5
421 Cinema Cashier Categories Codeforces Codeforces Beta Round #10 5
422 Lucky Common Subsequence Categories Codeforces Codeforces Round #201 (Div. 1) & Codeforces Round #201 (Div. 2) 5
423 Basketball Team Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) & Codeforces Beta Round #83 (Div. 2 Only) 5
424 Porcelain Categories Codeforces Codeforces Round #105 (Div. 2) 5
425 Fibonacci Words Categories UVA 5
426 Wonderful Randomized Sum Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 5
427 Clear Symmetry Categories Codeforces Codeforces Round #127 (Div. 1) & Codeforces Round #127 (Div. 2) 5
428 Beaver Categories Codeforces Codeforces Beta Round #71 5
429 Game --- Mouse and Cheese Categories UVA 5
430 Sereja and Bubble Sort Categories CodeChef 5
431 Patches Categories URI 5
432 Lov-e Pap Pap-e Polti Categories SPOJ 5
433 Cargo Agency Categories Timus 5
434 Partial Teacher Categories Codeforces Manthan 2011 5
435 The Islands Categories UVA 5
436 Coin Changing Again Categories UVA 5
437 Gasoline Station Categories Timus 5
438 Games with Rectangle Categories Codeforces Codeforces Beta Round #94 (Div. 1 Only) & Codeforces Beta Round #94 (Div. 2 Only) 5
439 Let's Play Osu! Categories Codeforces Codeforces Round #146 (Div. 1) & Codeforces Round #146 (Div. 2) 5
440 Paint templates Categories SPOJ 5
441 Huffmans Greed Categories SPOJ 5
442 Incrementing The Integer Categories SPOJ 6
443 Fragile Bridges Categories Codeforces Codeforces Round #127 (Div. 1) & Codeforces Round #127 (Div. 2) 6
444 AlgoRace Categories Codeforces Codeforces Round #119 (Div. 1) & Codeforces Round #119 (Div. 2) 6
445 Two Longest Paths Categories UVA 6
446 Fox And Jumping Categories Codeforces Codeforces Round #290 (Div. 2) & Codeforces Round #290 (Div. 1) 6
447 Weak Links Categories UVA 6
448 Word Cut Categories Codeforces Croc Champ 2012 - Round 2 6
449 Cipher Categories Codeforces Codeforces Round #110 (Div. 1) & Codeforces Round #110 (Div. 2) 6
450 Spiral Maximum Categories Codeforces Croc Champ 2012 - Round 1 6
451 Wooden Fence Categories Codeforces Codeforces Round #117 (Div. 2) 6
452 A Simple Task Categories Codeforces Codeforces Beta Round #11 6
453 Eleven Categories UVA 6
454 Checkout Assistant Categories Codeforces Codeforces Beta Round #19 6
455 Fish Categories Codeforces Codeforces Beta Round #16 (Div. 2 Only) 6
456 The Top-Code Categories SPOJ 6
457 Lucky Subsequence Categories Codeforces Codeforces Round #104 (Div. 1) & Codeforces Round #104 (Div. 2) 6
458 Shooting Gallery Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 6
459 Sort that Queue Categories Live Archive 2005 Africa/Middle East - Arab and North Africa 6
460 Playing War Categories UVA 6
461 Numbers Categories Codeforces Codeforces Round #131 (Div. 1) & Codeforces Round #131 (Div. 2) 6
462 Yet Another Assignment Problem Categories SPOJ 6
463 Plants vs. Zombies HD SP Categories UVA 6
464 ACM Diagnostics Categories Timus 6
465 Optical Experiment Categories Codeforces Manthan 2011 6
466 Number With The Given Amount Of Divisors Categories Codeforces Codeforces Beta Round #27 (Codeforces format, Div. 2) 6
467 Petya and Spiders Categories Codeforces Codeforces Beta Round #85 (Div. 1 Only) & Codeforces Beta Round #85 (Div. 2 Only) 6
468 Stripe 2 Categories Codeforces Codeforces Alpha Round #21 (Codeforces format) 6
469 Let's Go Rolling! Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 6
470 Kalila and Dimna in the Logging Industry Categories Codeforces Codeforces Round #189 (Div. 1) & Codeforces Round #189 (Div. 2) 6
471 Common Palindrome Categories UVA 6
472 Number Transformation Categories Codeforces Codeforces Round #153 (Div. 1) & Codeforces Round #153 (Div. 2) 6
473 MagicNaming Categories TopCoder SRM 526.5 - Div2 hard] (14762) 6
474 Sequence Categories Codeforces Codeforces Beta Round #13 6
475 Table Tennis Categories UVA 6
476 Interesting Game Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) & Codeforces Beta Round #73 (Div. 2 Only) 6
477 LionAge II Categories Codeforces Codeforces Beta Round #66 6
478 Lizards and Basements 2 Categories Codeforces Codeforces Beta Round #6 (Div. 2 Only) 6
479 Relay Race Categories Codeforces Codeforces Round #131 (Div. 1) & Codeforces Round #131 (Div. 2) 6
480 Beaver Game Categories Codeforces Codeforces Beta Round #70 (Div. 2) 6
481 Anniversary Firework Categories Timus 6
482 Mystic Craft Categories SPOJ 6
483 Atomic Car Race Categories UVA 6
484 Right Triangles Categories Codeforces Codeforces Testing Round #1 6
485 Decimation Categories Timus 6
486 Palindromes Categories Codeforces Codeforces Beta Round #98 (Div. 2) 6
487 GO FOR DIAMONDS Categories SPOJ 6
488 Fence Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) & Codeforces Round #145 (Div. 1, ACM-ICPC Rules) 6
489 Education Reform Categories Codeforces Codeforces Beta Round #90 6
490 Towers Categories Codeforces Codeforces Round #142 (Div. 1) 6
491 Buses Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) & Codeforces Beta Round #79 (Div. 2 Only) 6
492 Bracket Sequence Categories SPOJ 6
493 Table Categories Codeforces Codeforces Round #144 (Div. 1) & Codeforces Round #144 (Div. 2) 6
494 Lucky Numbers Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) 6
495 The Maths Lecture Categories Codeforces Codeforces Round #287 (Div. 2) 6
496 BATMAN2 Categories SPOJ 6
497 Summing Slopes Categories SPOJ 6
498 Enemy is weak Categories Codeforces Codeforces Beta Round #57 (Div. 2) 6
499 Enterprise Categories Timus 6
500 Wizards and Huge Prize Categories Codeforces Codeforces Round #114 (Div. 1) & Codeforces Round #114 (Div. 2) 6
501 Coloring Brackets Categories Codeforces Codeforces Round #106 (Div. 2) 6
502 Cubes Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 6
503 LCIS Categories Codeforces Codeforces Beta Round #10 6
504 JUMPING DORA Categories SPOJ 6
505 Animals Categories Codeforces Codeforces Beta Round #35 (Div. 2) 6
506 Beavermuncher-0xFF Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) & Codeforces Beta Round #69 (Div. 2 Only) 7
507 TheProgrammingContestDivOne Categories TopCoder SRM 502 - Div1 medium] (14431) 7
508 Martian Army Categories Timus 7
509 First Digit Law Categories Codeforces Codeforces Beta Round #50 7
510 Bombing Categories Codeforces Codeforces Beta Round #47 7
511 Cats Transport Categories Codeforces Codeforces Round #185 (Div. 1) & Codeforces Round #185 (Div. 2) 7
512 Big Maximum Sum Categories Codeforces Codeforces Beta Round #67 (Div. 2) 7
513 Component Testing Categories Live Archive 2012 North America - Mid-Atlantic USA & North America - Southern California & North America - Southeast USA 7
514 Maximum Sub-sequence Product Categories Live Archive 1996 Europe - Southeastern 7
515 Eating High Categories Timus 7
516 Colored Tiles Categories UVA 7
517 Join Categories Timus 7
518 Comb Categories Codeforces School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules) 7
519 Constants in the language of Shakespeare Categories Codeforces Codeforces Beta Round #96 (Div. 1) 7
520 World Eater Brothers Categories Codeforces Codeforces Round #148 (Div. 1) & Codeforces Round #148 (Div. 2) 7
521 TV Game Categories Codeforces Codeforces Beta Round #31 (Div. 2, Codeforces format) 7
522 Fractal Detector Categories Codeforces Codeforces Round #141 (Div. 2) 7
523 Cactus Categories Codeforces Codeforces Round #143 (Div. 2) 7
524 Lost in Space Categories Timus 7
525 Merry-go-round Categories Timus 7
526 Alternative Solution Categories Timus 7
527 Name Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 7
528 Salary for Robots Categories Timus 7
529 Pawn Categories Codeforces Codeforces Beta Round #40 (Div. 2) 7
530 Beautiful numbers Categories Codeforces Codeforces Beta Round #51 7
531 Brainfuck Categories Timus 7
532 Petya and Post Categories Codeforces Codeforces Beta Round #61 (Div. 2) 7
533 Fibonacci Sums Categories Codeforces Codeforces Beta Round #93 (Div. 1 Only) 7
534 Seller Bob Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 7
535 Camels Categories Codeforces Codeforces Beta Round #14 (Div. 2) 7
536 Catch Sheep Categories SPOJ 7
537 One-Based Arithmetic Categories Codeforces Testing Round #10 7
538 Brainwashing Device Categories Timus 7
539 Yet Another Answer Categories Timus 7
540 Anfisa the Monkey Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 7
541 Lunar Code Categories Timus 7
542 Dot Categories Codeforces Codeforces Beta Round #63 (Div. 2) 7
543 Martian Plates Categories Timus 7
544 Flag 2 Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 7
545 Help Caretaker Categories Codeforces Codeforces Round #102 (Div. 1) & Codeforces Round #102 (Div. 2) 7
546 Gifts Categories Codeforces Codeforces Round #142 (Div. 1) 8
547 Widget Library Categories Codeforces Codeforces Beta Round #74 (Div. 1 Only) & Codeforces Beta Round #74 (Div. 2 Only) 8
548 Nuclear Fusion Categories Codeforces Codeforces Beta Round #65 (Div. 2) 8
549 Periodical Numbers Categories Codeforces Codeforces Round #132 (Div. 2) 8
550 Password Categories Codeforces Codeforces Beta Round #71 8
551 IT Restaurants Categories Codeforces VK Cup 2012 Finals (unofficial online-version) 8
552 Inventory Categories UVA 8
553 2048 Categories Codeforces Coder-Strike 2014 - Round 2 8
554 Phone Number Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 8
555 Sequence of Balls Categories Codeforces Manthan 2011 8
556 Broken robot Categories Codeforces Codeforces Beta Round #24 8
557 Dormitory Categories Codeforces Codeforces Round #155 (Div. 2) 8
558 Brackets Categories Codeforces Codeforces Beta Round #92 (Div. 1 Only) & Codeforces Beta Round #92 (Div. 2 Only) 8
559 Linear Kingdom Races Categories Codeforces Codeforces Beta Round #87 (Div. 1 Only) 8
560 Beads Categories Codeforces Codeforces Beta Round #8 8
561 Genetic engineering Categories Codeforces Yandex.Algorithm 2011 Round 2 8
562 Brand New Problem Categories Codeforces Codeforces Round #127 (Div. 1) 8
563 Fibonacci army Categories Codeforces Unknown Language Round #2 8
564 Lucky Country Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) 8
565 Frequent Flyer Card Categories Timus 8
566 K-based Numbers. Version 3 Categories Timus 8
567 Oil Skimming Categories A2 Online Judge 8
568 Yekaterinburg Subway Categories Timus 8
569 What Has Dirichlet Got to Do with That? Categories Codeforces School Team Contest #1 (Winter Computer School 2010/11) 8
570 Writing a Song Categories Codeforces Codeforces Beta Round #50 8
571 Sweets Game Categories Codeforces Codeforces Beta Round #59 (Div. 2) 8
572 Polycarpus the Safecracker Categories Codeforces VK Cup 2012 Round 1 8
573 Blood Cousins Return Categories Codeforces Codeforces Round #151 (Div. 2) 8
574 Little Elephant and Broken Sorting Categories Codeforces Codeforces Round #157 (Div. 1) 8
575 Balance Categories Codeforces Codeforces Beta Round #17 8
576 Multicolored Marbles Categories Codeforces VK Cup 2012 Finals, Practice Session 8
577 Lostborn Categories Codeforces Codeforces Beta Round #76 (Div. 1 Only) 8
578 Archer's Travel Categories Timus 8
579 Bath Queue Categories Codeforces Codeforces Beta Round #28 (Codeforces format) 8
580 Smart Boy Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 8
581 Clearing Up Categories Codeforces Codeforces Round #101 (Div. 2) 8
582 Tourist Categories Codeforces All-Ukrainian School Olympiad in Informatics 8
583 Beautiful Road Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) 8
584 Little Elephant and Retro Strings Categories Codeforces Codeforces Round #129 (Div. 1) 8
585 Defining Macros Categories Codeforces Codeforces Beta Round #7 8
586 Numbers Categories Codeforces Codeforces Beta Round #72 (Div. 1 Only) 8
587 Changing a String Categories Codeforces Codeforces Beta Round #52 (Div. 2) 8
588 Dead Ends Categories Codeforces Codeforces Beta Round #49 (Div. 2) 8
589 Common ancestor Categories Codeforces Codeforces Beta Round #46 (Div. 2) 8
590 Tree Categories Codeforces Codeforces Beta Round #23 8
591 Lucky Arrays Categories Codeforces Codeforces Round #156 (Div. 1) 8
592 Castle Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) 8
593 Ciel and Gondolas Categories Codeforces Codeforces Round #190 (Div. 1) 8
594 Don't fear, DravDe is kind Categories Codeforces Codeforces Beta Round #28 (Codeforces format) 8
595 Hanger Categories Codeforces Codeforces Beta Round #68 9
596 Two Subsequences Categories Codeforces Codeforces Beta Round #72 (Div. 1 Only) 9
597 Horse Races Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) & Codeforces Beta Round #77 (Div. 2 Only) 9
598 Journey Categories Codeforces Codeforces Beta Round #53 9
599 Information Reform Categories Codeforces Codeforces Beta Round #64 9
600 Mission Impassable Categories Codeforces Codeforces Round #107 (Div. 1) 9
601 Crime Management Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) 9
602 Moon Craters Categories Codeforces School Team Contest #1 (Winter Computer School 2010/11) 9
603 Number Challenge Categories Codeforces Codeforces Round #146 (Div. 1) 9
604 Candies and Stones Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) 9
605 Lesson Timetable Categories Codeforces Codeforces Beta Round #37 9
606 Donkey and Stars Categories Codeforces Codeforces Round #152 (Div. 1) 9
607 Flags Categories Codeforces Codeforces Beta Round #76 (Div. 1 Only) 9
608 Formurosa Categories Codeforces Codeforces Round #134 (Div. 1) & Codeforces Round #134 (Div. 2) 9
609 Pairs Categories Codeforces Yandex.Algorithm Open 2011 Qualification 1 9
610 Domino Carpet Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) 9
611 Faryuks Categories Timus 9
612 Hyper String Categories Codeforces Croc Champ 2012 - Round 2 9
613 Garden Categories Codeforces Codeforces Round #108 (Div. 2) 9
614 Shoe Store Categories Codeforces Codeforces Round #113 (Div. 2) 9
615 Caterpillar Categories Codeforces Codeforces Beta Round #48 9
616 T-shirt Categories Codeforces Croc Champ 2012 - Final 9
617 New Year Garland Categories Codeforces Codeforces Round #100 9
618 StackingBoxes Categories TopCoder SRM 261 - Div1 hard] (7995) 9
619 Candy Store Categories Live Archive 2012 North America - Southeast USA 9
620 Plane of Tanks: Duel Categories Codeforces Codeforces Round #115 9
621 Half-decay tree Categories Codeforces Codeforces Beta Round #62 9
622 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
623 Liars and Serge Categories Codeforces Codeforces Round #156 (Div. 1) 9
624 Little Elephant and Triangle Categories Codeforces Codeforces Round #136 (Div. 1) 9
625 Cowboys Categories Codeforces VK Cup 2012 Finals (unofficial online-version) 9
626 Somali Pirates Categories Timus 9
627 Power Defence Categories Codeforces Codeforces Round #115 9
628 Unambiguous Arithmetic Expression Categories Codeforces Codeforces Beta Round #87 (Div. 1 Only) 9
629 World of Darkraft Categories Codeforces Codeforces Beta Round #99 (Div. 1) 9
630 Arrangement Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) & Codeforces Beta Round #83 (Div. 2 Only) 9
631 Triangles Categories Codeforces Codeforces Beta Round #15 9
632 Steaks on Board Categories Timus 10
633 World Evil Categories Codeforces Codeforces Beta Round #58 10
634 Hellish Constraints Categories Codeforces Codeforces Beta Round #99 (Div. 1) 10
635 Quick Tortoise Categories Codeforces Codeforces Round #144 (Div. 1) 10
636 Expression Categories Codeforces Codeforces Beta Round #54 (Div. 2) 10
637 Mrs. Hudson's Pancakes Categories Codeforces Codeforces Round #110 (Div. 1) 10
638 Mutation Categories Codeforces All-Ukrainian School Olympiad in Informatics 10
639 Help Shrek and Donkey Categories Codeforces Codeforces Beta Round #78 (Div. 1 Only) 10
640 Dynamic Assignment Problem Categories SPOJ 10
641 Clever Fat Rat Categories Codeforces Codeforces Round #118 (Div. 1) & Codeforces Round #118 (Div. 2) 10
642 Meeting Her Categories Codeforces Codeforces Round #148 (Div. 1) 10
643 Tree and Table Categories Codeforces Codeforces Round #153 (Div. 1) 10
644 Cubes Categories Codeforces Codeforces Round #150 (Div. 1) 10
645 The Great Marathon Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 10
646 Doe Graphs Categories Codeforces Codeforces Round #144 (Div. 1) & Codeforces Round #144 (Div. 2) 10
647 Piglet's Birthday Categories Codeforces Codeforces Round #152 (Div. 2) & Codeforces Round #152 (Div. 1) 10