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Dynamic Programming problems
Problem Name Online Judge Year Contest Difficulty Level
1 Seinfeld Categories SPOJ 1
2 Distinct Subsequences Categories SPOJ 1
3 Fool the Police Categories SPOJ 1
4 Longest Run on a Snowboard Categories UVA 1
5 Is Bigger Smarter? Categories UVA 1
6 Rectangles Perimeter Categories SPOJ 1
7 Square Country Categories Timus 1
8 Metro Categories Timus 1
9 Aibohphobia Categories SPOJ 1
10 Piggy-Bank Categories SPOJ 1
11 Army Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 1
12 T-primes Categories Codeforces Codeforces Round #142 (Div. 2) 1
13 Trip Categories SPOJ 1
14 BLAST Categories SPOJ 1
15 Vacation Categories UVA 1
16 Cheap Travel Categories Codeforces Codeforces Round #266 (Div. 2) 1
17 0110SS Categories SPOJ 1
18 History Grading Categories UVA 1
19 Dollars Categories UVA 1
20 Take the Land Categories UVA 1
21 Tile Code Categories Live Archive 2007 Asia - Seoul 1
22 Ingenuous Cubrency Categories UVA 1
23 K-based Numbers. Version 2 Categories Timus 1
24 Wedding shopping Categories UVA 1
25 Hotels Along the Croatian Coast Categories SPOJ 1
26 How do you add? Categories UVA 1
27 The 3n + 1 problem Categories UVA 1
28 Martian Mining Categories SPOJ 1
29 A+B Problem Categories PKU 1
30 Chop Ahoy! Revisited! Categories SPOJ 1
31 The Great Ball Categories SPOJ 1
32 LATGACH3 Categories SPOJ 1
33 In Danger Categories SPOJ 1
34 Adjacent Bit Counts Categories SPOJ 1
35 Given Length and Sum of Digits... Categories Codeforces Codeforces Round #277.5 (Div. 2) 1
36 Candy Categories SPOJ 1
37 Binary Apple Tree Categories Timus 1
38 Scientific Conference Categories Timus 1
39 Coins Game Categories SPOJ 1
40 Feynman Categories SPOJ 1
41 Magic Grid Categories SPOJ 1
42 Tower of Babylon Categories SPOJ 1
43 Help the soldier Categories SPOJ 1
44 Summing to a Square Prime Categories SPOJ 1
45 Permutations Categories SPOJ 1
46 Save Thy Toys Categories SPOJ 1
47 Compromise Categories UVA 1
48 Dividing coins Categories UVA 1
49 Grandpa's Walk Categories Live Archive 2012 Asia - Jakarta 1
50 Strategic Defense Initiative Categories UVA 1
51 Distinct Subsequences Categories UVA 1
52 THE DRUNK JAILER Categories PKU 1
53 K-based Numbers Categories Timus 1
54 Ice Sculptures Categories Codeforces VK Cup 2012 Qualification Round 1 1
55 Luggage Categories UVA 1
56 Maximum Sum Categories UVA 1
57 Training for final Categories SPOJ 1
58 To the Max Categories PKU 1
59 The Double HeLiX Categories SPOJ 1
60 Pocket Money Categories SPOJ 1
61 Wachovia Bank Categories SPOJ 1
62 Cross-country Categories SPOJ 1
63 Mixtures Categories SPOJ 1
64 Cut Ribbon Categories Codeforces Codeforces Round #119 (Div. 2) 1
65 Fishmonger Categories SPOJ 1
66 Square Brackets Categories SPOJ 1
67 Optimal Array Multiplication Sequence Categories UVA 1
68 Two Ends Categories SPOJ 1
69 DNA Sequences Categories SPOJ 1
70 Lucky Tickets Categories Timus 1
71 The Tower of Babylon Categories UVA 1
72 Assignments Categories SPOJ 1
73 Vertex Cover Categories SPOJ 1
74 Divisibility Categories UVA 1
75 Enormous Input Test Categories CodeChef 1
76 Binary Lexicographic Sequence Categories Timus 1
77 Bytelandian gold coins Categories SPOJ 1
78 Party Schedule Categories SPOJ 1
79 Getting in Line Categories UVA 1
80 Longest Palindrome Categories UVA 1
81 Sums in a Triangle Categories SPOJ 1
82 Largest Submatrix Categories UVA 1
83 Tiling a Grid With Dominoes Categories SPOJ 1
84 Aliens at the train Categories SPOJ 1
85 Roads Categories SPOJ 1
86 Staircases Categories Timus 1
87 Candy Categories Live Archive 2008 Latin America - South America 1
88 Bee Walk Categories SPOJ 1
89 The Twin Towers Categories UVA 1
90 Cutting Sticks Categories UVA 1
91 23 out of 5 Categories UVA 1
92 Chocolate Categories SPOJ 1
93 DIE HARD Categories SPOJ 1
94 Hangover Categories PKU 1
95 Fibonacci Freeze Categories UVA 1
96 SuperSale Categories UVA 1
97 Tri graphs Categories SPOJ 1
98 Fibonacci Words Categories Live Archive 2012 World Finals - Warsaw 1
99 Sum of Digits Categories SPOJ 1
100 Membership Management Categories Live Archive 2010 Asia - Tokyo 1
101 The Knapsack Problem Categories SPOJ 1
102 Edit distance Categories SPOJ 1
103 No Change Categories SPOJ 1
104 Palindrome 2000 Categories SPOJ 1
105 Railway Tickets Categories Timus 1
106 Ultra-Fast Mathematician Categories Codeforces Codeforces Beta Round #57 (Div. 2) 1
107 Alphacode Categories SPOJ 1
108 Unidirectional TSP Categories UVA 1
109 Flags Categories Timus 1
110 Prime Permutations Categories CodeChef 1
111 Scuba diver Categories SPOJ 1
112 Philosophers Stone Categories SPOJ 1
113 Making Change Categories TJU 1
114 Maximum Sum Categories Timus 1
115 Rent your airplane and make money Categories SPOJ 1
116 Treats for the Cows Categories SPOJ 1
117 Testing the CATCHER Categories UVA 1
118 Stacking Boxes Categories UVA 1
119 Sweet and Sour Rock Categories SPOJ 1
120 Let Me Count The Ways Categories UVA 1
121 Non-Decreasing Digits Categories SPOJ 1
122 Tiling Up Blocks Categories Live Archive 2003 Asia - Kaohsiung 1
123 Coin Change Categories UVA 1
124 Exponentiation Categories PKU 1
125 Pilots Categories SPOJ 1
126 Easy Longest Increasing Subsequence Categories SPOJ 1
127 Phidias Categories SPOJ 1
128 Homer Simpson Categories UVA 1
129 Soft Drinking Categories Codeforces Codeforces Round #107 (Div. 2) 1
130 Longest Common Subsequence Categories UVA 1
131 Tourist Categories SPOJ 2
132 XOR Maximization Categories SPOJ 2
133 Feline Olympics - Mouseball Categories SPOJ 2
134 Flowers Categories Codeforces Codeforces Round #271 (Div. 2) 2
135 Rain Categories SPOJ 2
136 Travelling Salesman Categories UVA 2
137 Weights and Measures Categories UVA 2
138 Ministry Categories Timus 2
139 Black-White Grid Categories Live Archive 2006 Asia - Hanoi 2
140 ACM (ACronymMaker) Categories SPOJ 2
141 Pebble Solitaire Categories UVA 2
142 Tetrahedron Categories Codeforces Codeforces Round #113 (Div. 2) 2
143 George and Job Categories Codeforces Codeforces Round #267 (Div. 2) 2
144 Nudnik Photographer Categories Timus 2
145 Partition Categories SPOJ 2
146 Beautiful People Categories SGU 2
147 Building Bridges Categories SPOJ 2
148 The Bale Tower Categories TJU 2
149 Pearls Categories Live Archive 2002 Europe - Northwestern 2
150 String Distance and Transform Process Categories UVA 2
151 Musketeers Categories SPOJ 2
152 Diving for Gold Categories UVA 2
153 Generations of Tribbles Categories Live Archive 2013 North America - Pacific Northwest 2
154 Drop the Triples Categories Live Archive 2007 Latin America - South America 2
155 Milliard Vasya's Function Categories Timus 2
156 Bar Codes Categories UVA 2
157 Nested Dolls Categories SPOJ 2
158 Space Elevator Categories PKU 2
159 NERED Categories SPOJ 2
160 Up Subsequence Categories SPOJ 2
161 Anniversary Party Categories Timus 2
162 String problem Categories SPOJ 2
163 String Computer Categories UVA 2
164 Chopsticks Categories UVA 2
165 Another Problem on Strings Categories Codeforces Codeforces Round #112 (Div. 2) 2
166 Boredom Categories Codeforces Codeforces Round #260 (Div. 1) & Codeforces Round #260 (Div. 2) 2
167 Three-coloring of binary trees Categories SPOJ 2
168 Bicolored Horses Categories Timus 2
169 Palindrome pairs Categories Codeforces VK Cup 2012 Qualification Round 2 2
170 I-Keyboard Categories SPOJ 2
171 Always on the run Categories UVA 2
172 Longest Match Categories UVA 2
173 Game of Sum Categories UVA 2
174 Murcia's Skyline Categories UVA 2
175 Interesting number Categories SPOJ 2
176 Chilly Willy Categories Codeforces Codeforces Round #152 (Div. 2) 2
177 Mobile Service Categories SPOJ 2
178 Game Show Math Categories UVA 2
179 Tiling Categories UVA 2
180 The least round way Categories Codeforces Codeforces Beta Round #2 2
181 Boxes Categories UVA 2
182 Painting the balls Categories SGU 2
183 Point Connection Game in a Circle Categories SPOJ 2
184 Little Elephant and Painting Categories CodeChef 2
185 Counting The Way of Bracket Replacement Categories SPOJ 2
186 Robot Instructions Categories UVA 2
187 Before an Exam Categories Codeforces Codeforces Beta Round #4 (Div. 2 Only) 2
188 String to Palindrome Categories UVA 2
189 False Mirrors Categories Timus 2
190 Black or White Categories SPOJ 2
191 Trouble of 13-Dots Categories UVA 2
192 k-Tree Categories Codeforces Codeforces Round #247 (Div. 2) 2
193 Problem 3 Categories SPOJ 2
194 Simple Minded Hashing Categories UVA 2
195 Yoda Goes Palindromic ! Categories SPOJ 2
196 Divisible Group Sums Categories UVA 2
197 Another Tree Problem Categories SPOJ 2
198 Optimal Binary Search Tree Categories UVA 2
199 Jugs Categories UVA 2
200 Making A Budget Categories SPOJ 2
201 Threeprime Numbers Categories Timus 2
202 Marks Distribution Categories UVA 2
203 Physics Practical Categories Codeforces Codeforces Round #154 (Div. 2) 2
204 Mysterious Present Categories Codeforces Codeforces Beta Round #4 (Div. 2 Only) 2
205 Bit Mask Categories UVA 2
206 MAXIMUM WOOD CUTTER Categories SPOJ 2
207 Fibo Categories A2 Online Judge 2
208 Con-Junctions Categories SPOJ 2
209 JEDNAKOST Categories SPOJ 2
210 Dab of Backpack Categories SPOJ 2
211 Catch Fish Categories SPOJ 2
212 Dice Categories SPOJ 2
213 Card Sorting Categories SPOJ 2
214 Tower of Cubes Categories UVA 2
215 Slurpys Categories UVA 2
216 Decoding Morse Sequences Categories SPOJ 2
217 Segments Categories Timus 2
218 Particular Palindromes Categories SPOJ 2
219 Collecting Beepers Categories UVA 2
220 Make Palindrome Categories UVA 2
221 Maximum Absurdity Categories Codeforces Codeforces Round #193 (Div. 2) 2
222 Street Categories SPOJ 2
223 Cow Frisbee Team Categories TJU 2
224 Again Palindrome Categories UVA 2
225 Sorting is not easy Categories SPOJ 2
226 The Marriage Interview :-) Categories UVA 2
227 Walking on the Safe Side Categories UVA 2
228 Activities Categories SPOJ 2
229 Temptation Island Categories SPOJ 2
230 Equal Sum Sets Categories Live Archive 2013 Asia - Aizu 2
231 Blueberries Categories SPOJ 2
232 Queue Categories UVA 2
233 COSTLY CHESS Categories SPOJ 2
234 Another Box Problem Categories SPOJ 2
235 Flight Planner Categories UVA 2
236 The Courier Categories SPOJ 2
237 Hometask Categories Codeforces Codeforces Round #131 (Div. 2) 3
238 Caesar's Legions Categories Codeforces Codeforces Beta Round #89 (Div. 2) 3
239 String Partition Categories UVA 3
240 Little Elephant and Movies Categories CodeChef 3
241 Pleasing Chief Categories CodeChef 3
242 Balancing the Stone Categories SPOJ 3
243 RGBStreet Categories TopCoder SRM 325 - Div2 medium] (10005) 3
244 Buns Categories Codeforces Codeforces Beta Round #82 (Div. 2) 3
245 Handball Categories UVA 3
246 Scheduling Lectures Categories UVA 3
247 String Shuffle Categories SPOJ 3
248 Password Categories Codeforces Codeforces Beta Round #93 (Div. 1 Only) & Codeforces Beta Round #93 (Div. 2 Only) 3
249 Minimal Coverage Categories Timus 3
250 Bag of mice Categories Codeforces Codeforces Round #105 (Div. 2) 3
251 Sum of Different Primes Categories UVA 3
252 Partition the sequence Categories SPOJ 3
253 Bribe the Prisoners Categories SPOJ 3
254 BadNeighbors Categories TopCoder TCCC '04 Round 4 - Div1 easy] (5009) 3
255 Determine it Categories UVA 3
256 Fast Food Categories UVA 3
257 Polygon Categories SPOJ 3
258 Weather Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) 3
259 Sense of Beauty Categories Timus 3
260 Common Subsequences Categories SPOJ 3
261 Counting binary strings Categories SPOJ 3
262 Even Palindrome Categories SPOJ 3
263 Fetching Cooking Tools Categories CodeChef 3
264 Hippity Hopscotch Categories UVA 3
265 Many Paths, One Destination Categories UVA 3
266 The Matrix Game Categories CodeChef 3
267 Walking Around Wisely Categories UVA 3
268 Gentlemen Categories Timus 3
269 Hierarchy Categories Timus 3
270 Leaves Categories SPOJ 3
271 Color Stripe Categories Codeforces Codeforces Round #135 (Div. 2) 3
272 Erdos Numbers Categories Live Archive 2000 Europe - Northwestern & Europe - Southwestern & Europe - Mid-Central 3
273 Paid Roads Categories SPOJ 3
274 Gargari and Permutations Categories Codeforces Codeforces Round #264 (Div. 2) 3
275 Crime Wave - The Sequel Categories UVA 3
276 Sereja and Game Categories CodeChef 3
277 Minus Operation Categories SPOJ 3
278 I-Keyboard Categories Live Archive 2000 Europe - Central 3
279 Esferas Categories SPOJ 3
280 Orchard Trees Categories UVA 3
281 How Many O's? Categories UVA 3
282 BATMAN3 Categories SPOJ 3
283 Intervals of Monotonicity Categories Timus 3
284 Counting K-Rectangle Categories SPOJ 3
285 Menu Categories SPOJ 3
286 Help Bob Categories SPOJ 3
287 To Add or Not to Add Categories Codeforces Codeforces Round #143 (Div. 2) 3
288 Barcode Categories Codeforces Codeforces Round #139 (Div. 2) 3
289 Brackets Sequence Categories Timus 3
290 Most Servings Meal Categories SPOJ 3
291 Antimatter Ray Clearcutting Categories UVA 3
292 Little Red Riding Hood Categories UVA 3
293 Slikar Categories SPOJ 3
294 Distance in Tree Categories Codeforces VK Cup 2012 Round 1 3
295 Mosaic Categories Live Archive 2009 North America - Southeast USA 3
296 Pebbles Categories Live Archive 2007 North America - Pacific Northwest & North America - Southern California 3
297 Deliver pizza Categories SPOJ 3
298 Maximum Triangle Area Categories SPOJ 3
299 Free Candies Categories UVA 3
300 ZigZag Categories TopCoder TCCC '03 Semifinals 3 - Div1 easy] (4493) 3
301 Motoboy Categories URI 3
302 Choosing Capital for Treeland Categories Codeforces Codeforces Round #135 (Div. 2) 3
303 End up with More Teams Categories UVA 3
304 Fibonacci System Categories Live Archive 2008 Europe - Northeastern 3
305 Zeta-Nim Game Categories CodeChef 3
306 Magic, Wizardry and Wonders Categories Codeforces Codeforces Round #143 (Div. 2) 3
307 Candy (Again) Categories SPOJ 3
308 String reduction Categories SPOJ 3
309 Cards, bags and coins Categories CodeChef 3
310 Fortune Telling Categories Codeforces Codeforces Beta Round #55 (Div. 2) 3
311 Chop Ahoy! Revisited! Categories Live Archive 2005 Africa/Middle East - Arab and North Africa 3
312 Traveling by Stagecoach Categories SPOJ 3
313 Mnemonics and Palindromes Categories Timus 3
314 Chest of Drawers Categories UVA 3
315 Budget Travel Categories UVA 3
316 Longest Regular Bracket Sequence Categories Codeforces Codeforces Beta Round #5 3
317 Who is The Boss Categories SPOJ 4
318 A Lot of Games Categories Codeforces Codeforces Round #260 (Div. 1) & Codeforces Round #260 (Div. 2) 4
319 Account Book Categories UVA 4
320 Malevich Strikes Back! Categories Timus 4
321 Hometask Categories Codeforces Codeforces Round #109 (Div. 1) & Codeforces Round #109 (Div. 2) 4
322 BATMAN1 Categories SPOJ 4
323 Boy Scouts Categories SPOJ 4
324 Substring and Subsequence Categories Codeforces VK Cup 2012 Round 2 4
325 Pashmak and Graph Categories Codeforces Codeforces Round #261 (Div. 2) 4
326 Car with powers Categories SPOJ 4
327 Phone Talks Categories Codeforces VK Cup 2012 Qualification Round 1 4
328 Probablistic OR Categories SPOJ 4
329 Bit by Bit Categories SPOJ 4
330 Najkraci Categories SPOJ 4
331 Tiling Dominoes Categories UVA 4
332 Many polygons Categories SPOJ 4
333 Crack Categories Timus 4
334 Eternal Victory Categories Codeforces Codeforces Beta Round #57 (Div. 2) 4
335 Beautiful Numbers Categories UVA 4
336 Destruction Cannon Categories URI 4
337 Message Categories Codeforces Codeforces Round #110 (Div. 1) & Codeforces Round #110 (Div. 2) 4
338 Little Pony and Harmony Chest Categories Codeforces Codeforces Round #259 (Div. 1) & Codeforces Round #259 (Div. 2) 4
339 Best Coalitions Categories UVA 4
340 Chocolate Categories SPOJ 4
341 Palindromic Subsequence Categories UVA 4
342 Mars Canals Categories Timus 4
343 Dumb Bones Categories UVA 4
344 AGTC Categories UVA 4
345 Bright Bracelet Categories Live Archive 2003 North America - Mid-Central USA 4
346 The Secret of an Aerolite Categories SPOJ 4
347 One-two, One-two 2 Categories Timus 4
348 IOI07 Miners Categories SPOJ 4
349 Let go to the movies Categories SPOJ 4
350 Train Categories Codeforces Codeforces Beta Round #68 4
351 Matches Categories UVA 4
352 Folding Categories Timus 4
353 Little Elephant and Blocks Categories CodeChef 4
354 Building Bridges(HARD) Categories SPOJ 4
355 Spiders Categories Codeforces School Regional Team Contest, Saratov, 2011 4
356 Matchsticks Categories TJU 4
357 Minion Circle Categories CodeChef 4
358 Raucous Rockers Categories UVA 4
359 Hackers' Crackdown Categories UVA 4
360 Digit Sum Categories UVA 4
361 Drop the Triples Categories SPOJ 4
362 Bargaining Table Categories Codeforces Codeforces Beta Round #22 (Div. 2 Only) 4
363 COUNT PAREN Categories SPOJ 4
364 Fewest Flops Categories UVA 4
365 Little Elephant and Interval Categories Codeforces Codeforces Round #129 (Div. 1) & Codeforces Round #129 (Div. 2) 4
366 Make Psycho Categories SPOJ 4
367 Communication Fiend Categories Timus 4
368 Zeros and Ones Categories UVA 4
369 Term Strategy Categories UVA 4
370 Antimonotonicity Categories UVA 4
371 Another Assignment Problem Categories SPOJ 4
372 Chocolate Box Categories UVA 4
373 Classmates 2 Categories Timus 4
374 Queries for Number of Palindromes Categories Codeforces CROC-MBTU 2012, Elimination Round (ACM-ICPC) 4
375 SMS Categories Timus 4
376 Dominoes Categories SPOJ 4
377 Trees Again Categories SPOJ 4
378 Bottle Taps Categories Timus 4
379 Lemon Tale Categories Timus 4
380 Clear Symmetry Categories Codeforces Codeforces Round #127 (Div. 1) & Codeforces Round #127 (Div. 2) 5
381 Paint templates Categories SPOJ 5
382 Huffman´s Greed Categories SPOJ 5
383 ICPC Team Strategy Categories UVA 5
384 Sereja and Bubble Sort Categories CodeChef 5
385 Lov-e Pap Pap-e Polti Categories SPOJ 5
386 DNA Laboratory Categories SPOJ 5
387 Busy Programmer Categories UVA 5
388 Independent Attacking Zones Categories UVA 5
389 Happiness to People! Categories Timus 5
390 Almost Arithmetical Progression Categories Codeforces Codeforces Round #156 (Div. 2) & Codeforces Round #156 (Div. 1) 5
391 Two out of Three Categories Codeforces Yandex.Algorithm 2011 Qualification 2 5
392 Balanced Numbers Categories SPOJ 5
393 Solitaire Categories Codeforces Codeforces Round #130 (Div. 2) 5
394 Decoding Genome Categories Codeforces Codeforces Round #137 (Div. 2) 5
395 Mr. Kitayuta, the Treasure Hunter Categories Codeforces Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1) 5
396 Summing Slopes Categories CodeChef 5
397 Subsequence Problem Categories SPOJ 5
398 Petr# Categories Codeforces Codeforces Beta Round #86 (Div. 1 Only) & Codeforces Beta Round #86 (Div. 2 Only) 5
399 Allergy Test Categories UVA 5
400 Basketball Team Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) 5
401 Increase Sequence Categories Codeforces Codeforces Round #266 (Div. 2) 5
402 Porcelain Categories Codeforces Codeforces Round #105 (Div. 2) 5
403 How many trees? Categories Codeforces Codeforces Beta Round #9 (Div. 2 Only) 5
404 The Islands Categories UVA 5
405 INVITATION FOR TECHOFES Categories SPOJ 5
406 Roadworks Categories Timus 5
407 Batman Categories UVA 5
408 CreatureTraining Categories TopCoder TCO08 Round 2 - Div1 medium] (12012) 5
409 Convex Polygons Categories SPOJ 5
410 Enemy is weak Categories Codeforces Codeforces Beta Round #57 (Div. 2) 5
411 Police Station Categories Codeforces Codeforces Round #130 (Div. 2) 5
412 Beaver Categories Codeforces Codeforces Beta Round #71 5
413 Partial Teacher Categories Codeforces Manthan 2011 5
414 WordMath Categories TopCoder Unknown () 5
415 Paint the Tree Categories CodeChef 5
416 Compatible Numbers Categories Codeforces Codeforces Round #112 (Div. 2) 5
417 Coin Changing Again Categories UVA 5
418 Games with Rectangle Categories Codeforces Codeforces Beta Round #94 (Div. 1 Only) & Codeforces Beta Round #94 (Div. 2 Only) 5
419 Train Categories Timus 5
420 Wonderful Randomized Sum Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 5
421 Optimal Cut Categories UVA 5
422 Cinema Cashier Categories Codeforces Codeforces Beta Round #10 5
423 The Bridges of Kolsberg Categories UVA 5
424 Fatawy Categories SPOJ 5
425 Cargo Agency Categories Timus 5
426 Gasoline Station Categories Timus 5
427 Looking for Order Categories Codeforces Codeforces Beta Round #8 5
428 Let's Play Osu! Categories Codeforces Codeforces Round #146 (Div. 1) & Codeforces Round #146 (Div. 2) 5
429 Avoiding Jungle in the Dark Categories UVA 5
430 Dynasty Puzzles Categories Codeforces Codeforces Round #121 (Div. 1) & Codeforces Round #121 (Div. 2) 5
431 File List Categories Codeforces VK Cup 2012 Round 3 (Unofficial Div. 2 Edition) 5
432 Count Digits Categories CodeChef 5
433 BATMAN4 Categories SPOJ 5
434 Logo Turtle Categories Codeforces Codeforces Beta Round #96 (Div. 1) & Codeforces Beta Round #96 (Div. 2) 5
435 Expect the Expected Categories UVA 5
436 Ship Routes Categories Timus 5
437 Candy Categories UVA 5
438 IPL - CRICKET TOURNAMENT Categories SPOJ 5
439 Connect Line Segments Categories SPOJ 5
440 Lucky Common Subsequence Categories Codeforces Codeforces Round #201 (Div. 1) & Codeforces Round #201 (Div. 2) 5
441 E-mail Categories Timus 5
442 Little Elephant and Elections Categories Codeforces Codeforces Round #157 (Div. 1) & Codeforces Round #157 (Div. 2) 5
443 Towers Categories Codeforces Codeforces Round #142 (Div. 1) 6
444 Promotion Categories URI 6
445 Optical Experiment Categories Codeforces Manthan 2011 6
446 Table Categories Codeforces Codeforces Round #144 (Div. 1) & Codeforces Round #144 (Div. 2) 6
447 Fish Categories Codeforces Codeforces Beta Round #16 (Div. 2 Only) 6
448 Bracket Sequence Categories SPOJ 6
449 Shooting Gallery Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 6
450 Game --- Mouse and Cheese Categories UVA 6
451 A Simple Task Categories Codeforces Codeforces Beta Round #11 6
452 Checkout Assistant Categories Codeforces Codeforces Beta Round #19 6
453 JUMPING DORA Categories SPOJ 6
454 Lizards and Basements 2 Categories Codeforces Codeforces Beta Round #6 (Div. 2 Only) 6
455 ACM Diagnostics Categories Timus 6
456 Number Transformation Categories Codeforces Codeforces Round #153 (Div. 1) & Codeforces Round #153 (Div. 2) 6
457 Beaver Game Categories Codeforces Codeforces Beta Round #70 (Div. 2) 6
458 Fragile Bridges Categories Codeforces Codeforces Round #127 (Div. 1) & Codeforces Round #127 (Div. 2) 6
459 Interesting Game Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) & Codeforces Beta Round #73 (Div. 2 Only) 6
460 Right Triangles Categories Codeforces Codeforces Testing Round #1 6
461 AlgoRace Categories Codeforces Codeforces Round #119 (Div. 1) & Codeforces Round #119 (Div. 2) 6
462 LionAge II Categories Codeforces Codeforces Beta Round #66 6
463 The Top-Code Categories SPOJ 6
464 Anniversary Firework Categories Timus 6
465 Weak Links Categories UVA 6
466 Wizards and Huge Prize Categories Codeforces Codeforces Round #114 (Div. 1) & Codeforces Round #114 (Div. 2) 6
467 Palindromes Categories Codeforces Codeforces Beta Round #98 (Div. 2) 6
468 Coloring Brackets Categories Codeforces Codeforces Round #106 (Div. 2) 6
469 Cubes Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 6
470 Education Reform Categories Codeforces Codeforces Beta Round #90 6
471 Sequence Categories Codeforces Codeforces Beta Round #13 6
472 Number With The Given Amount Of Divisors Categories Codeforces Codeforces Beta Round #27 (Codeforces format, Div. 2) 6
473 Incrementing The Integer Categories SPOJ 6
474 Stripe 2 Categories Codeforces Codeforces Alpha Round #21 (Codeforces format) 6
475 Let's Go Rolling! Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 6
476 Mystic Craft Categories SPOJ 6
477 Decimation Categories Timus 6
478 Fence Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) & Codeforces Round #145 (Div. 1, ACM-ICPC Rules) 6
479 Sort that Queue Categories Live Archive 2005 Africa/Middle East - Arab and North Africa 6
480 Buses Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) & Codeforces Beta Round #79 (Div. 2 Only) 6
481 Lucky Numbers Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) 6
482 The Maths Lecture Categories Codeforces Codeforces Round #287 (Div. 2) 6
483 Patches Categories URI 6
484 Summing Slopes Categories SPOJ 6
485 Numbers Categories Codeforces Codeforces Round #131 (Div. 1) 6
486 Yet Another Assignment Problem Categories SPOJ 6
487 Word Cut Categories Codeforces Croc Champ 2012 - Round 2 6
488 Cipher Categories Codeforces Codeforces Round #110 (Div. 1) & Codeforces Round #110 (Div. 2) 6
489 Spiral Maximum Categories Codeforces Croc Champ 2012 - Round 1 6
490 BATMAN2 Categories SPOJ 6
491 Playing War Categories UVA 6
492 Wooden Fence Categories Codeforces Codeforces Round #117 (Div. 2) 6
493 Kalila and Dimna in the Logging Industry Categories Codeforces Codeforces Round #189 (Div. 1) & Codeforces Round #189 (Div. 2) 6
494 MagicNaming Categories TopCoder SRM 526.5 - Div2 hard] (14762) 6
495 Enterprise Categories Timus 6
496 Fox And Jumping Categories Codeforces Codeforces Round #290 (Div. 2) & Codeforces Round #290 (Div. 1) 6
497 Relay Race Categories Codeforces Codeforces Round #131 (Div. 1) 6
498 Common Palindrome Categories UVA 6
499 Lucky Subsequence Categories Codeforces Codeforces Round #104 (Div. 1) & Codeforces Round #104 (Div. 2) 6
500 LCIS Categories Codeforces Codeforces Beta Round #10 6
501 Animals Categories Codeforces Codeforces Beta Round #35 (Div. 2) 6
502 GO FOR DIAMONDS Categories SPOJ 6
503 Fibonacci Words Categories UVA 6
504 Comb Categories Codeforces School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules) 7
505 Component Testing Categories Live Archive 2012 North America - Mid-Atlantic USA & North America - Southern California & North America - Southeast USA 7
506 Lucky Country Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) 7
507 Maximum Sub-sequence Product Categories Live Archive 1996 Europe - Southeastern 7
508 Big Maximum Sum Categories Codeforces Codeforces Beta Round #67 (Div. 2) 7
509 One-Based Arithmetic Categories Codeforces Testing Round #10 7
510 Petya and Spiders Categories Codeforces Codeforces Beta Round #85 (Div. 1 Only) & Codeforces Beta Round #85 (Div. 2 Only) 7
511 Colored Tiles Categories UVA 7
512 Constants in the language of Shakespeare Categories Codeforces Codeforces Beta Round #96 (Div. 1) 7
513 Plants vs. Zombies HD SP Categories UVA 7
514 Name Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 7
515 Lost in Space Categories Timus 7
516 Catch Sheep Categories SPOJ 7
517 Eating High Categories Timus 7
518 Join Categories Timus 7
519 World Eater Brothers Categories Codeforces Codeforces Round #148 (Div. 1) & Codeforces Round #148 (Div. 2) 7
520 Ciel and Gondolas Categories Codeforces Codeforces Round #190 (Div. 1) 7
521 Pawn Categories Codeforces Codeforces Beta Round #40 (Div. 2) 7
522 Beautiful numbers Categories Codeforces Codeforces Beta Round #51 7
523 Petya and Post Categories Codeforces Codeforces Beta Round #61 (Div. 2) 7
524 Atomic Car Race Categories UVA 7
525 Fibonacci Sums Categories Codeforces Codeforces Beta Round #93 (Div. 1 Only) 7
526 Alternative Solution Categories Timus 7
527 TV Game Categories Codeforces Codeforces Beta Round #31 (Div. 2, Codeforces format) 7
528 Two Longest Paths Categories UVA 7
529 Brainfuck Categories Timus 7
530 Cats Transport Categories Codeforces Codeforces Round #185 (Div. 1) & Codeforces Round #185 (Div. 2) 7
531 Salary for Robots Categories Timus 7
532 Eleven Categories UVA 7
533 Anfisa the Monkey Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 7
534 Dot Categories Codeforces Codeforces Beta Round #63 (Div. 2) 7
535 Help Caretaker Categories Codeforces Codeforces Round #102 (Div. 1) & Codeforces Round #102 (Div. 2) 7
536 Yet Another Answer Categories Timus 7
537 Brainwashing Device Categories Timus 7
538 Camels Categories Codeforces Codeforces Beta Round #14 (Div. 2) 7
539 Seller Bob Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 7
540 Martian Plates Categories Timus 7
541 Lunar Code Categories Timus 7
542 Cactus Categories Codeforces Codeforces Round #143 (Div. 2) 7
543 Fractal Detector Categories Codeforces Codeforces Round #141 (Div. 2) 7
544 Beavermuncher-0xFF Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) 7
545 First Digit Law Categories Codeforces Codeforces Beta Round #50 7
546 Bombing Categories Codeforces Codeforces Beta Round #47 7
547 Merry-go-round Categories Timus 7
548 TheProgrammingContestDivOne Categories TopCoder SRM 502 - Div1 medium] (14431) 7
549 Table Tennis Categories UVA 7
550 Flag 2 Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 7
551 Martian Army Categories Timus 7
552 Little Elephant and Retro Strings Categories Codeforces Codeforces Round #129 (Div. 1) 8
553 What Has Dirichlet Got to Do with That? Categories Codeforces School Team Contest #1 (Winter Computer School 2010/11) 8
554 Writing a Song Categories Codeforces Codeforces Beta Round #50 8
555 Genetic engineering Categories Codeforces Yandex.Algorithm 2011 Round 2 8
556 Fibonacci army Categories Codeforces Unknown Language Round #2 8
557 Sweets Game Categories Codeforces Codeforces Beta Round #59 (Div. 2) 8
558 Frequent Flyer Card Categories Timus 8
559 Broken robot Categories Codeforces Codeforces Beta Round #24 8
560 Blood Cousins Return Categories Codeforces Codeforces Round #151 (Div. 2) 8
561 Little Elephant and Broken Sorting Categories Codeforces Codeforces Round #157 (Div. 1) 8
562 Gifts Categories Codeforces Codeforces Round #142 (Div. 1) 8
563 Lostborn Categories Codeforces Codeforces Beta Round #76 (Div. 1 Only) 8
564 Periodical Numbers Categories Codeforces Codeforces Round #132 (Div. 2) 8
565 IT Restaurants Categories Codeforces VK Cup 2012 Finals (unofficial online-version) 8
566 Clearing Up Categories Codeforces Codeforces Round #101 (Div. 2) 8
567 2048 Categories Codeforces Coder-Strike 2014 - Round 2 8
568 Balance Categories Codeforces Codeforces Beta Round #17 8
569 Archer's Travel Categories Timus 8
570 Defining Macros Categories Codeforces Codeforces Beta Round #7 8
571 Changing a String Categories Codeforces Codeforces Beta Round #52 (Div. 2) 8
572 Tourist Categories Codeforces All-Ukrainian School Olympiad in Informatics 8
573 Beautiful Road Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) 8
574 Dead Ends Categories Codeforces Codeforces Beta Round #49 (Div. 2) 8
575 Numbers Categories Codeforces Codeforces Beta Round #72 (Div. 1 Only) 8
576 Common ancestor Categories Codeforces Codeforces Beta Round #46 (Div. 2) 8
577 Oil Skimming Categories A2 Online Judge 8
578 Castle Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) 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 Lucky Arrays Categories Codeforces Codeforces Round #156 (Div. 1) 8
582 Multicolored Marbles Categories Codeforces VK Cup 2012 Finals, Practice Session 8
583 Password Categories Codeforces Codeforces Beta Round #71 8
584 Phone Number Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 8
585 Widget Library Categories Codeforces Codeforces Beta Round #74 (Div. 1 Only) & Codeforces Beta Round #74 (Div. 2 Only) 8
586 Sequence of Balls Categories Codeforces Manthan 2011 8
587 Nuclear Fusion Categories Codeforces Codeforces Beta Round #65 (Div. 2) 8
588 Linear Kingdom Races Categories Codeforces Codeforces Beta Round #87 (Div. 1 Only) 8
589 Yekaterinburg Subway Categories Timus 8
590 Polycarpus the Safecracker Categories Codeforces VK Cup 2012 Round 1 8
591 Brackets Categories Codeforces Codeforces Beta Round #92 (Div. 1 Only) & Codeforces Beta Round #92 (Div. 2 Only) 8
592 K-based Numbers. Version 3 Categories Timus 8
593 Inventory Categories UVA 8
594 Don't fear, DravDe is kind Categories Codeforces Codeforces Beta Round #28 (Codeforces format) 8
595 Tree Categories Codeforces Codeforces Beta Round #23 8
596 Beads Categories Codeforces Codeforces Beta Round #8 8
597 Dormitory Categories Codeforces Codeforces Round #155 (Div. 2) 8
598 Cowboys Categories Codeforces VK Cup 2012 Finals (unofficial online-version) 9
599 Pairs Categories Codeforces Yandex.Algorithm Open 2011 Qualification 1 9
600 Domino Carpet Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) 9
601 Little Elephant and Triangle Categories Codeforces Codeforces Round #136 (Div. 1) 9
602 Flags Categories Codeforces Codeforces Beta Round #76 (Div. 1 Only) 9
603 Caterpillar Categories Codeforces Codeforces Beta Round #48 9
604 Faryuks Categories Timus 9
605 Plane of Tanks: Duel Categories Codeforces Codeforces Round #115 9
606 New Year Garland Categories Codeforces Codeforces Round #100 9
607 Moon Craters Categories Codeforces School Team Contest #1 (Winter Computer School 2010/11) 9
608 Lesson Timetable Categories Codeforces Codeforces Beta Round #37 9
609 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
610 Half-decay tree Categories Codeforces Codeforces Beta Round #62 9
611 Power Defence Categories Codeforces Codeforces Round #115 9
612 Candy Store Categories Live Archive 2012 North America - Southeast USA 9
613 Liars and Serge Categories Codeforces Codeforces Round #156 (Div. 1) 9
614 Brand New Problem Categories Codeforces Codeforces Round #127 (Div. 1) 9
615 Formurosa Categories Codeforces Codeforces Round #134 (Div. 1) & Codeforces Round #134 (Div. 2) 9
616 Unambiguous Arithmetic Expression Categories Codeforces Codeforces Beta Round #87 (Div. 1 Only) 9
617 World of Darkraft Categories Codeforces Codeforces Beta Round #99 (Div. 1) 9
618 Mission Impassable Categories Codeforces Codeforces Round #107 (Div. 1) 9
619 Arrangement Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) 9
620 Somali Pirates Categories Timus 9
621 Horse Races Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) & Codeforces Beta Round #77 (Div. 2 Only) 9
622 Journey Categories Codeforces Codeforces Beta Round #53 9
623 Information Reform Categories Codeforces Codeforces Beta Round #64 9
624 Hanger Categories Codeforces Codeforces Beta Round #68 9
625 Two Subsequences Categories Codeforces Codeforces Beta Round #72 (Div. 1 Only) 9
626 StackingBoxes Categories TopCoder SRM 261 - Div1 hard] (7995) 9
627 Garden Categories Codeforces Codeforces Round #108 (Div. 2) 9
628 Crime Management Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) 9
629 Shoe Store Categories Codeforces Codeforces Round #113 (Div. 2) 9
630 Candies and Stones Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) 9
631 T-shirt Categories Codeforces Croc Champ 2012 - Final 9
632 Hyper String Categories Codeforces Croc Champ 2012 - Round 2 9
633 Triangles Categories Codeforces Codeforces Beta Round #15 9
634 Donkey and Stars Categories Codeforces Codeforces Round #152 (Div. 1) 9
635 Number Challenge Categories Codeforces Codeforces Round #146 (Div. 1) 9
636 Expression Categories Codeforces Codeforces Beta Round #54 (Div. 2) 10
637 Clever Fat Rat Categories Codeforces Codeforces Round #118 (Div. 1) & Codeforces Round #118 (Div. 2) 10
638 Help Shrek and Donkey Categories Codeforces Codeforces Beta Round #78 (Div. 1 Only) 10
639 And Yet Another Bracket Sequence Categories Codeforces VK Cup 2015 - Round 1 10
640 Mutation Categories Codeforces All-Ukrainian School Olympiad in Informatics 10
641 Meeting Her Categories Codeforces Codeforces Round #148 (Div. 1) 10
642 Tree and Table Categories Codeforces Codeforces Round #153 (Div. 1) 10
643 Piglet's Birthday Categories Codeforces Codeforces Round #152 (Div. 2) & Codeforces Round #152 (Div. 1) 10
644 Cubes Categories Codeforces Codeforces Round #150 (Div. 1) 10
645 Doe Graphs Categories Codeforces Codeforces Round #144 (Div. 1) & Codeforces Round #144 (Div. 2) 10
646 World Evil Categories Codeforces Codeforces Beta Round #58 10
647 Mrs. Hudson's Pancakes Categories Codeforces Codeforces Round #110 (Div. 1) 10
648 Hellish Constraints Categories Codeforces Codeforces Beta Round #99 (Div. 1) 10
649 Steaks on Board Categories Timus 10
650 Dynamic Assignment Problem Categories SPOJ 10
651 The Great Marathon Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 10
652 Quick Tortoise Categories Codeforces Codeforces Round #144 (Div. 1) 10