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