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