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8400 Tic-tac-toe brute force games implementation Statement C Codeforces Beta Round 3 {3} PROGRAMMING CF beta 3: разбор и эмоции 1700
710081 Watermelon brute force math Statement A Codeforces Beta Round 4 (Div. 2 Only) {4} PROGRAMMING 1200
23310 Triangle brute force geometry Statement A Codeforces Beta Round 6 (Div. 2 Only) {6} PROGRAMMING Round #6 - Tutorial (A,B,C,E) 1300
2336 Lizards and Basements 2 brute force dp Statement D Codeforces Beta Round 6 (Div. 2 Only) {6} PROGRAMMING Beta Round #6 - Разбор задач 2100
8140 Kalevitch and Chess brute force constructive algorithms Statement A Codeforces Beta Round 7 {7} PROGRAMMING 1300
6275 Running Student brute force geometry implementation Statement B Codeforces Beta Round 9 (Div. 2 Only) {9} PROGRAMMING Codeforces Beta Round #9 tutorial 1500
14534 Hexadecimal's Numbers brute force implementation math Statement C Codeforces Beta Round 9 (Div. 2 Only) {9} PROGRAMMING Codeforces Beta Round #9 tutorial 1500
3903 Four Segments brute force constructive algorithms geometry implementation math Statement C Codeforces Beta Round 14 (Div. 2) {14} PROGRAMMING Codeforces Beta Round #14 tutorial 1800
22178 Noldbach problem brute force math number theory Statement A Codeforces Beta Round 17 {17} PROGRAMMING Codeforces Beta Round #17 Tutorial 1100
7096 Triangle brute force geometry Statement A Codeforces Beta Round 18 (Div. 2 Only) {18} PROGRAMMING Codeforces Beta Round #18(Div. 2) Tutorial 1600
2459 Platforms brute force math Statement B Codeforces Beta Round 18 (Div. 2 Only) {18} PROGRAMMING Codeforces Beta Round #18(Div. 2) Tutorial 1700
1320 Seller Bob brute force dp greedy Statement D Codeforces Beta Round 18 (Div. 2 Only) {18} PROGRAMMING Codeforces Beta Round #18(Div. 2) Tutorial 2100
27928 Second Order Statistics brute force Statement A Codeforces Beta Round 22 (Div. 2 Only) {22} PROGRAMMING Codeforces Beta Round #22 Tutorial 1000
4848 Bargaining Table brute force dp Statement B Codeforces Beta Round 22 (Div. 2 Only) {22} PROGRAMMING Codeforces Beta Round #22 Tutorial 1600
6480 You're Given a String... brute force greedy Statement A Codeforces Beta Round 23 {23} PROGRAMMING Codeforces Beta Round #23 tutorial 1200
106062 IQ test brute force Statement A Codeforces Beta Round 25 (Div. 2 Only) {25} PROGRAMMING Codeforces Beta Round #25 Solution Analysis 1300
5963 Tournament bitmasks brute force dfs and similar greedy Statement B Codeforces Beta Round 27 (Codeforces format, Div. 2) {27} PROGRAMMING Codeforces Beta #27 - Tutorial 2000
4977 Number With The Given Amount Of Divisors brute force dp number theory Statement E Codeforces Beta Round 27 (Codeforces format, Div. 2) {27} PROGRAMMING Solution of ABC @ Round#27 2100
8426 Spit Problem brute force Statement A Codeforces Beta Round 29 (Div. 2, Codeforces format) {29} PROGRAMMING My solution @ Round #29, [without Problem E] 1000
4060 Accounting brute force math Statement A Codeforces Beta Round 30 (Codeforces format) {30} PROGRAMMING Codeforces Beta Round #30. Разбор C 1500
15197 Reconnaissance brute force Statement A Codeforces Beta Round 32 (Div. 2, Codeforces format) {32} PROGRAMMING Beta Round 32 800
680 Collisions brute force implementation math Statement E Codeforces Beta Round 34 (Div. 2) {34} PROGRAMMING Codeforces Beta Round #34 (Div. 2) Разбор 2100
8995 Fire Again brute force dfs and similar shortest paths Statement C Codeforces Beta Round 35 (Div. 2) {35} PROGRAMMING 1600
4104 Chess brute force implementation math Statement B School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round 38 (ACM-ICPC Rules) {38} PROGRAMMING Школьная индивидуальная олимпиада #1 - Codeforces Beta Round #38. (Разбор задачи D) 1200
2593 Blinds brute force Statement C School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round 38 (ACM-ICPC Rules) {38} PROGRAMMING Школьная индивидуальная олимпиада #1 - Codeforces Beta Round #38. (Разбор задачи C) 1400
4693 Martian Dollar brute force Statement B Codeforces Beta Round 40 (Div. 2) {41} PROGRAMMING Codeforces Beta Round #40 Mini-Tutorial 1500
598 Safe cracking brute force constructive algorithms Statement C Codeforces Beta Round 41 {42} PROGRAMMING Solution of task е, Codeforces beta round #41 2200
1256 Journey brute force constructive algorithms implementation Statement D Codeforces Beta Round 42 (Div. 2) {43} PROGRAMMING Разбор задач A, B, C, D CodeForces Beta Round #42 1900
483 Race brute force implementation two pointers Statement E Codeforces Beta Round 42 (Div. 2) {43} PROGRAMMING Разбор задач A, B, C, D CodeForces Beta Round #42 2200
251 Toys brute force combinatorics Statement I School Team Contest 2 (Winter Computer School 2010/11) {44} PROGRAMMING School Team Contest #2 (Winter Computer School 2010/2011): tutorial of A-E, H, J. 2400
10122 Ball Game brute force implementation Statement A School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round 43 (ACM-ICPC Rules) {46} PROGRAMMING School Individual Contest #2 (WCS 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules): A, C, F and G tutorial 900
1013 Safe brute force Statement D Codeforces Beta Round 44 (Div. 2) {47} PROGRAMMING Codeforces Beta Round #44: tutorial 2100
18493 Triangular numbers brute force math Statement A Codeforces Beta Round 44 (Div. 2) {47} PROGRAMMING Codeforces Beta Round #44: tutorial 800
3081 Land Lot brute force implementation Statement B School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round 45 (ACM-ICPC Rules) {48} PROGRAMMING 1300
2155 Game brute force dp implementation Statement D Codeforces Beta Round 46 (Div. 2) {49} PROGRAMMING 1700
738 Writing a Song brute force dp strings Statement D Codeforces Beta Round 50 {54} PROGRAMMING Codeforces Beta Round #50: Editorial for problem E 2100
3483 Smallest number brute force Statement B Codeforces Beta Round 51 {55} PROGRAMMING Round 51, A 1600
2282 Trees brute force Statement C Codeforces Beta Round 54 (Div. 2) {58} PROGRAMMING Codeforces Beta Round #54 (Div.2) - разбор A-D 1800
720 Mushroom Strife brute force dfs and similar Statement C Codeforces Beta Round 56 {60} PROGRAMMING Solutions for Codeforces Beta Round #56 2100
593 Savior brute force dsu math Statement D Codeforces Beta Round 56 {60} PROGRAMMING Solutions for Codeforces Beta Round #56 2400
2019 Bulls and Cows brute force implementation Statement C Codeforces Beta Round 59 (Div. 2) {63} PROGRAMMING Solutions Codeforces Round #59 1800
295 Prime Segment *special brute force Statement E Unknown Language Round 1 {64} PROGRAMMING 2000
1563 Harry Potter and the History of Magic brute force greedy implementation Statement B Codeforces Beta Round 60 {65} PROGRAMMING Codeforces Beta Round #60: tutorial 1700
500 Harry Potter and the Sorting Hat brute force dfs and similar hashing Statement D Codeforces Beta Round 60 {65} PROGRAMMING Codeforces Beta Round #60: tutorial 2200
23376 Petya and Countryside brute force implementation Statement B Codeforces Beta Round 61 (Div. 2) {66} PROGRAMMING Codeforces Beta Round #61 (Div. 2): Editorial 1200
395 Synchrophasotron brute force Statement C Codeforces Beta Round 62 {68} PROGRAMMING 2200
809 Solitaire brute force implementation Statement D Codeforces Beta Round 65 (Div. 2) {71} PROGRAMMING Разбор задач Codeforces Beta Round #65 (Div. 2) 2200
181 Ali goes shopping *special brute force strings Statement E Unknown Language Round 2 {72} PROGRAMMING 1900
144 Plane of Tanks brute force geometry Statement F Codeforces Beta Round 66 {73} PROGRAMMING Codeforces Beta Round #66 editorial: Problems A, B, C 2700
1981 Heroes brute force implementation Statement A Codeforces Beta Round 69 (Div. 1 Only) {77} PROGRAMMING Problem analysis: Codeforces Beta Round #69 Falling Anvils (Div. 1 - Problem B , Div. 2 - Problem D) 1600
67886 Panoramix's Prediction brute force Statement A Codeforces Beta Round 69 (Div. 2 Only) {80} PROGRAMMING Codeforces Beta Round #69 tutorial 900
2523 Sum of Medians binary search brute force data structures implementation Statement D Yandex.Algorithm 2011: Round 1 {85} PROGRAMMING Yandex.Algorithm 2011 - Round 1. Problem C. Tutorial 2200
233 Long sequence brute force math matrices Statement E Yandex.Algorithm 2011: Round 2 {86} PROGRAMMING Problemset analysis (Yandex, Round 2) 2600
4118 Chord brute force implementation Statement A Codeforces Beta Round 73 (Div. 2 Only) {88} PROGRAMMING Codeforces Beta Round #73. Tutorial (Div2) 1200
709 Chip Play brute force data structures implementation Statement C Codeforces Beta Round 74 (Div. 1 Only) {89} PROGRAMMING Solutions for Codeforces Beta Round #74 2100
469 Azembler brute force implementation Statement C Codeforces Beta Round 76 (Div. 1 Only) {93} PROGRAMMING Codeforces Beta Round 76 - задача Е div 1 глазами ее автора. 2400
19641 Lucky Numbers (easy) binary search bitmasks brute force Statement B Codeforces Beta Round 77 (Div. 2 Only) {96} PROGRAMMING Codeforces Beta Round #77 (Div. 2 Only) Question A - D 1400
352 Domino brute force implementation Statement A Yandex.Algorithm 2011: Finals {97} PROGRAMMING Финал Яндекс.Алгоритм: разбор A-B 2400
386 Robot in Basement bitmasks brute force implementation Statement D Yandex.Algorithm 2011: Finals {97} PROGRAMMING Финал Яндекс.Алгоритм: разбор A-B 2600
1363 Help Victoria the Wise brute force implementation Statement A Codeforces Beta Round 78 (Div. 1 Only) {98} PROGRAMMING Editorial 1700
3455 Clothes brute force Statement A Codeforces Beta Round 79 (Div. 2 Only) {102} PROGRAMMING Codeforces Beta Round 79, editoral 1300
2622 Time to Raid Cowavans brute force data structures sortings Statement D Codeforces Beta Round 80 (Div. 1 Only) {103} PROGRAMMING Tutorial 2200
918 Dark Assembly brute force probabilities Statement B Codeforces Beta Round 81 {105} PROGRAMMING Tutorial 1800
409 Item World brute force implementation sortings Statement C Codeforces Beta Round 81 {105} PROGRAMMING Tutorial 2100
240 Lift and Throw brute force Statement E Codeforces Beta Round 81 {105} PROGRAMMING Tutorial 2400
149 Entertaining Geodetics brute force dsu implementation Statement D Codeforces Beta Round 81 {105} PROGRAMMING Tutorial 2600
6916 Choosing Laptop brute force implementation Statement B Codeforces Beta Round 82 (Div. 2) {106} PROGRAMMING Solutions for Codeforces Beta Round #82 (Div. 2) 1100
1483 Treasure Island brute force implementation Statement D Codeforces Beta Round 82 (Div. 2) {106} PROGRAMMING Solutions for Codeforces Beta Round #82 (Div. 2) 1700
20132 Lucky Sum of Digits brute force implementation Statement A Codeforces Beta Round 84 (Div. 1 Only) {109} PROGRAMMING Tutorial 1200
1809 Lucky Probability brute force probabilities Statement B Codeforces Beta Round 84 (Div. 1 Only) {109} PROGRAMMING Tutorial 2000
144 Lucky Interval brute force math Statement E Codeforces Beta Round 84 (Div. 1 Only) {109} PROGRAMMING Tutorial 2600
3344 Petr# brute force data structures hashing strings Statement B Codeforces Beta Round 86 (Div. 1 Only) {113} PROGRAMMING Codeforces Beta Round #86 Editorial 1900
1500 Double Happiness brute force math number theory Statement C Codeforces Beta Round 86 (Div. 1 Only) {113} PROGRAMMING Codeforces Beta Round #86 Editorial 2200
4314 PFAST Inc. bitmasks brute force graphs Statement B Codeforces Beta Round 86 (Div. 2 Only) {114} PROGRAMMING Codeforces Beta Round #86 Editorial 1500
1751 Very Interesting Game brute force number theory Statement B Codeforces Beta Round 88 {117} PROGRAMMING Неофициальный разбор Codeforces Beta Round #88 1700
2945 Fancy Number brute force greedy sortings strings Statement C Codeforces Beta Round 89 (Div. 2) {118} PROGRAMMING Editorial codeforces beta raund 89. 1700
5726 Elevator brute force implementation math Statement A School Regional Team Contest, Saratov, 2011 {120} PROGRAMMING Tutorial for school regional team contest of Saratov 1000
2110 Three Sons brute force Statement D School Regional Team Contest, Saratov, 2011 {120} PROGRAMMING Tutorial for school regional team contest of Saratov 1400
1475 Lucky Permutation brute force combinatorics number theory Statement C Codeforces Beta Round 91 (Div. 1 Only) {121} PROGRAMMING Разбор задач 2000
153249 Lucky Division brute force number theory Statement A Codeforces Beta Round 91 (Div. 2 Only) {122} PROGRAMMING BIT solution for Codeforces #91 E 1000
13363 Lucky Substring brute force implementation Statement B Codeforces Beta Round 91 (Div. 2 Only) {122} PROGRAMMING BIT solution for Codeforces #91 E 1100
4968 Permutations brute force combinatorics implementation Statement B Codeforces Beta Round 92 (Div. 2 Only) {124} PROGRAMMING Codeforces Beta Round #92 - Analysis 1400
1612 Hot Bath binary search brute force math Statement A Codeforces Beta Round 93 (Div. 1 Only) {126} PROGRAMMING Tutorial 1900
100 Pills brute force flows Statement E Codeforces Beta Round 93 (Div. 1 Only) {126} PROGRAMMING Tutorial 3100
2928 String brute force constructive algorithms hashing implementation string suffix structures strings Statement B Codeforces Beta Round 94 (Div. 1 Only) {128} PROGRAMMING 3219 2200
14087 Students and Shoelaces brute force dfs and similar graphs implementation Statement B Codeforces Beta Round 94 (Div. 2 Only) {129} PROGRAMMING Problem D of Beta Round 94 1200
4907 Average Numbers brute force implementation Statement A Codeforces Testing Round 3 {134} PROGRAMMING 1300
2539 Pairs of Numbers brute force dfs and similar math number theory Statement B Codeforces Testing Round 3 {134} PROGRAMMING 1800
2712 Rectangle and Square brute force geometry math Statement B Codeforces Beta Round 97 (Div. 1) {135} PROGRAMMING Codeforces Beta Round #97: editorial 1600
331 Cycle brute force dfs and similar implementation Statement D Codeforces Beta Round 97 (Div. 1) {135} PROGRAMMING Codeforces Beta Round #97: editorial 2400
223 Hellish Constraints brute force dp two pointers Statement E Codeforces Beta Round 99 (Div. 1) {138} PROGRAMMING Codeforces Beta Round #99: editorial 2900
1761 New Year Cards brute force greedy implementation Statement B Codeforces Round 100 {140} PROGRAMMING Codeforces Round #100: problem analysis 1800
2865 Help Farmer brute force math Statement A Codeforces Round 102 (Div. 1) {142} PROGRAMMING Codeforces Round #102 — Editorial 1700
1016 Help Caretaker brute force dp Statement C Codeforces Round 102 (Div. 1) {142} PROGRAMMING Codeforces Round #102 — Editorial 2300
15622 Help Vasilisa the Wise 2 brute force math Statement A Codeforces Round 102 (Div. 2) {143} PROGRAMMING Codeforces Round #102 (Div. 2) 1200
5021 Lucky Mask brute force implementation Statement B Codeforces Round 104 (Div. 2) {146} PROGRAMMING Codeforces Round #104 (Div. 2) 1300
269 Frames brute force Statement D Codeforces Round 108 (Div. 2) {152} PROGRAMMING Разбор задач Codeforces Round #108 (Div. 2) 2500
95750 I_love_\%username\% brute force Statement A Codeforces Round 109 (Div. 2) {155} PROGRAMMING Codeforces Round #109: editorial 900
3281 Message brute force Statement A Codeforces Round 110 (Div. 1) {156} PROGRAMMING Codeforces Round 110 — Разбор задач 1700
239 Mrs. Hudson's Pancakes brute force dp Statement E Codeforces Round 110 (Div. 1) {156} PROGRAMMING Codeforces Round 110 — Разбор задач 2900
8740 Game Outcome brute force Statement A Codeforces Round 110 (Div. 2) {157} PROGRAMMING Codeforces Round 110 — Разбор задач 1100
6542 Ice Sculptures *special brute force number theory Statement D VK Cup 2012 Qualification Round 1 {158} PROGRAMMING Simple solution to vk cup Qualification Round 1 and 2 1900
3228 String Manipulation 1.0 *special binary search brute force data structures strings Statement C VK Cup 2012 Qualification Round 2 {159} PROGRAMMING Simple solution to vk cup Qualification Round 1 and 2 2000
4714 Palindrome pairs *special brute force dp strings Statement D VK Cup 2012 Qualification Round 2 {159} PROGRAMMING Simple solution to vk cup Qualification Round 1 and 2 2000
5550 Dress'em in Vests! binary search brute force greedy two pointers Statement A VK Cup 2012 Round 1 {161} PROGRAMMING VK Cup 2012 Round 1: editorial 1300
528 Polycarpus the Safecracker brute force dp Statement E VK Cup 2012 Round 1 {161} PROGRAMMING VK Cup 2012 Round 1: editorial 2400
588 Large Refrigerator brute force Statement D VK Cup 2012 Round 2 {163} PROGRAMMING VK Cup 2012 Round 2 — Разбор 2800
373 Minimum Diameter binary search brute force Statement D VK Cup 2012 Round 3 {164} PROGRAMMING VK Cup 2012 Round 3 — Разбор 2900
14047 Another Problem on Strings binary search brute force dp math strings two pointers Statement C Codeforces Round 112 (Div. 2) {165} PROGRAMMING Codeforces Round #112 (Div. 2) Tutorial 1600
9848 Compatible Numbers bitmasks brute force dfs and similar dp Statement E Codeforces Round 112 (Div. 2) {165} PROGRAMMING Codeforces Round #112 (Div. 2) Tutorial 2100
2828 Broken checker *special brute force Statement D April Fools Day Contest {171} PROGRAMMING April Fools Day Contest: editorial 1400
1492 ucyhf *special brute force implementation number theory Statement F April Fools Day Contest {171} PROGRAMMING April Fools Day Contest: editorial 1700
8234 Phone Code *special brute force implementation Statement A Croc Champ 2012 - Qualification Round {172} PROGRAMMING 1600
1120 Spiral Maximum brute force dp Statement C Croc Champ 2012 - Round 1 {173} PROGRAMMING Croc Champ 2012 — Round 1 — Editorial 1800
2591 Robot Bicorn Attack brute force implementation Statement A Codeforces Round 115 {175} PROGRAMMING Codeforces Round #115 — editorial F 1400
332 Plane of Tanks: Duel brute force dp math probabilities Statement D Codeforces Round 115 {175} PROGRAMMING Codeforces Round #115 — editorial A-E 2400
305 Power Defence brute force dp geometry greedy Statement E Codeforces Round 115 {175} PROGRAMMING Codeforces Round #115 — editorial A-E 2500
2785 Encrypting Messages brute force Statement D1 ABBYY Cup 2.0 - Easy {177} PROGRAMMING 1200
3073 Party brute force dfs and similar dsu graphs Statement C2 ABBYY Cup 2.0 - Easy {177} PROGRAMMING 1500
3572 Number of Triplets binary search brute force Statement B Croc Champ 2012 - Round 2 (Unofficial Div. 2 Edition) {181} PROGRAMMING Croc Champ 2012 — Round 2 — Editorial 1300
8950 Series of Crimes brute force geometry implementation Statement A Croc Champ 2012 - Round 2 (Unofficial Div. 2 Edition) {181} PROGRAMMING Croc Champ 2012 — Round 2 — Editorial 800
9361 Common Divisors brute force hashing implementation math strings Statement D Codeforces Round 117 (Div. 2) {182} PROGRAMMING Codeforces Round #117 (Div. 2) Разбор Задач 1400
859 Zoo brute force geometry Statement B Croc Champ 2012 - Final {183} PROGRAMMING CROC Champ 2012 — Round 3 (Editorial) 1700
83347 Cut Ribbon brute force dp Statement A Codeforces Round 119 (Div. 2) {189} PROGRAMMING Codeforces Round #119 — Editorial 1300
4243 Counting Rhombi brute force math Statement B Codeforces Round 119 (Div. 2) {189} PROGRAMMING Codeforces Round #119 — Editorial 1400
6851 Walking in the Rain brute force implementation Statement B Codeforces Round 121 (Div. 2) {192} PROGRAMMING 1100
11652 Funky Numbers binary search brute force implementation Statement A Codeforces Round 121 (Div. 2) {192} PROGRAMMING tutorial 1300
1183 Xor brute force Statement B Codeforces Round 122 (Div. 1) {193} PROGRAMMING Editoral Codeforces Round #122 2100
424 Fibonacci Number brute force math matrices Statement E Codeforces Round 122 (Div. 1) {193} PROGRAMMING Editoral Codeforces Round #122 2900
10291 Let's Watch Football binary search brute force math Statement A Codeforces Round 123 (Div. 2) {195} PROGRAMMING Codeforces Round #123 (Div. 2) Разбор Задач 1100
30806 Hexadecimal's theorem brute force constructive algorithms implementation number theory Statement A Codeforces Round 125 (Div. 2) {199} PROGRAMMING Solutions for Codeforces Round #125 1000
1192 Football Championship brute force implementation Statement C Codeforces Round 126 (Div. 2) {200} PROGRAMMING Editorial of Codeforces Round #126 (Div. 2) 1700
1065 Programming Language binary search brute force expression parsing implementation Statement D Codeforces Round 126 (Div. 2) {200} PROGRAMMING Editorial of Codeforces Round #126 (Div. 2) 1800
759 Cinema brute force data structures Statement A Codeforces Round 126 (Div. 2) {200} PROGRAMMING Editorial of Codeforces Round #126 (Div. 2) 2600
493 Brand New Problem bitmasks brute force dp Statement D Codeforces Round 127 (Div. 1) {201} PROGRAMMING 2500
859 Brand New Easy Problem brute force Statement B Codeforces Round 127 (Div. 2) {202} PROGRAMMING 1700
20086 LLPS binary search bitmasks brute force greedy implementation strings Statement A Codeforces Round 127 (Div. 2) {202} PROGRAMMING 900
4457 Two Problems brute force implementation Statement A Codeforces Round 128 (Div. 2) {203} PROGRAMMING 1200
2815 Game on Paper brute force implementation Statement B Codeforces Round 128 (Div. 2) {203} PROGRAMMING 1400
25520 Little Elephant and Rozdil brute force implementation Statement A Codeforces Round 129 (Div. 2) {205} PROGRAMMING Codeforces Round #129 — Editorial 1000
6510 Little Elephant and Sorting brute force greedy Statement B Codeforces Round 129 (Div. 2) {205} PROGRAMMING Codeforces Round #129 — Editorial 1400
43813 System of Equations brute force Statement A Codeforces Round 131 (Div. 2) {214} PROGRAMMING Codeforces Round #131 Tutorial 1000
5388 Hometask brute force constructive algorithms greedy math Statement B Codeforces Round 131 (Div. 2) {214} PROGRAMMING Codeforces Round #131 Tutorial 1600
16324 Bicycle Chain brute force implementation Statement A Codeforces Round 132 (Div. 2) {215} PROGRAMMING Codeforces Round #132 (Div. 2) Tutorial 1000
739 Crosses brute force implementation Statement C Codeforces Round 132 (Div. 2) {215} PROGRAMMING Codeforces Round #132 (Div. 2) Tutorial 2100
25062 Ice Skating brute force dfs and similar dsu graphs Statement A Codeforces Round 134 (Div. 1) {217} PROGRAMMING Editorial for Codeforces Round #134 1400
1241 Blackboard Fibonacci brute force math Statement B Codeforces Round 134 (Div. 1) {217} PROGRAMMING Editorial for Codeforces Round #134 2200
282 Bitonix' Patrol bitmasks brute force combinatorics dfs and similar math Statement D Codeforces Round 134 (Div. 1) {217} PROGRAMMING Editorial for Codeforces Round #134 2800
10660 Mountain Scenery brute force constructive algorithms implementation Statement A Codeforces Round 134 (Div. 2) {218} PROGRAMMING Editorial for Codeforces Round #134 1100
7273 Color Stripe brute force dp greedy Statement C Codeforces Round 135 (Div. 2) {219} PROGRAMMING User editorial for Codeforces Round #135 (Div. 2) 1600
11981 Shooshuns and Sequence brute force implementation Statement A Codeforces Round 137 (Div. 2) {222} PROGRAMMING Разбор задач 1200
30710 Parallelepiped brute force geometry math Statement A Codeforces Round 138 (Div. 2) {224} PROGRAMMING 1100
3657 Two Tables brute force implementation Statement B Codeforces Round 141 (Div. 2) {228} PROGRAMMING Codeforces Round #141 (Div. 2) Tutorial 1400
3777 Shifts brute force two pointers Statement A Codeforces Round 142 (Div. 1) {229} PROGRAMMING Codeforces Round #142 Problem Analysis 1600
4361 Magic Box brute force geometry Statement D Codeforces Round 143 (Div. 2) {231} PROGRAMMING Tutorial Codeforces Round #143 1600
444152 Team brute force greedy Statement A Codeforces Round 143 (Div. 2) {231} PROGRAMMING Tutorial Codeforces Round #143 800
8374 Non-square Equation binary search brute force math Statement B Codeforces Round 144 (Div. 2) {233} PROGRAMMING Editorial for Codeforces Round #144 1500
289640 Boy or Girl brute force implementation strings Statement A Codeforces Round 146 (Div. 2) {236} PROGRAMMING Codeforces Round #146 Tutorial 800
1487 Easy Tape Programming brute force implementation Statement B Codeforces Round 148 (Div. 2) {239} PROGRAMMING Editorial for Codeforces Round #148 1500
305 Race brute force implementation Statement F Bayan 2012-2013 Elimination Round (ACM ICPC Rules, English statements) {241} PROGRAMMING 2300
6888 Heads or Tails brute force implementation Statement A Codeforces Round 149 (Div. 2) {242} PROGRAMMING Codeforces Round #149 (Div. 2) Tutorial 1100
4970 Undoubtedly Lucky Numbers bitmasks brute force dfs and similar Statement B Codeforces Round 150 (Div. 2) {244} PROGRAMMING Editorial for Codeforces Round #150 1600
1000 Log Stream Analysis binary search brute force implementation strings Statement F CROC-MBTU 2012, Elimination Round (ACM-ICPC) {245} PROGRAMMING КРОК-МВТУ 2012, Отборочный раунд (Разбор) 2000
564 Suggested Friends brute force graphs Statement G CROC-MBTU 2012, Elimination Round (ACM-ICPC) {245} PROGRAMMING CROC-MBTU 2012, Elimination Round — Editorial 2200
2847 Beauty Pageant brute force constructive algorithms greedy Statement C Codeforces Round 151 (Div. 2) {246} PROGRAMMING Codeforces Round #151 (Div. 2) Tutorial 1600
10379 Colorful Graph brute force dfs and similar graphs Statement D Codeforces Round 151 (Div. 2) {246} PROGRAMMING Codeforces Round #151 (Div. 2) Tutorial 1700
523 Mad Joe brute force Statement E CROC-MBTU 2012, Final Round (Online version, Div. 2) {250} PROGRAMMING CROC-MBTU 2012, Final Round, Editorial 2400
5919 Little Xor brute force implementation Statement A Codeforces Round 153 (Div. 2) {252} PROGRAMMING Editorial of Codeforces Round #153 1200
1887 Unsorting Array brute force sortings Statement B Codeforces Round 153 (Div. 2) {252} PROGRAMMING Editorial of Codeforces Round #153 1700
934 Table with Letters - 2 brute force two pointers Statement D Codeforces Round 154 (Div. 2) {253} PROGRAMMING Codeforces Round #154 (Div. 2) — tutorial 2000
2278 Jury Size brute force implementation Statement B Codeforces Round 155 (Div. 2) {254} PROGRAMMING Codeforces Round #155 (Div. 2) — tutorial 1500
669 Rats brute force dfs and similar graphs implementation shortest paths Statement D Codeforces Round 155 (Div. 2) {254} PROGRAMMING Codeforces Round #155 (Div. 2) — tutorial 2600
5084 Almost Arithmetical Progression brute force dp Statement C Codeforces Round 156 (Div. 2) {255} PROGRAMMING Codeforces Round #156 tutorial 1700
4781 View Angle brute force geometry math Statement C Codeforces Round 159 (Div. 2) {257} PROGRAMMING Codeforces Round #159 (Div. 2) Разбор Задач 1700
1620 Little Elephant and Elections brute force combinatorics dp Statement B Codeforces Round 157 (Div. 1) {258} PROGRAMMING Codeforces Round #157 — Editorial 2100
14760 Little Elephant and Magic Square brute force implementation Statement B Codeforces Round 157 (Div. 2) {259} PROGRAMMING Codeforces Round #157 — Editorial 1100
10139 Little Elephant and Chess brute force strings Statement A Codeforces Round 157 (Div. 2) {259} PROGRAMMING Codeforces Round #157 — Editorial 1100
4103 Ancient Prophesy brute force implementation strings Statement B Codeforces Round 158 (Div. 2) {260} PROGRAMMING Codeforces Round #158 (Div. 2) Tutorial 1600
548 Dividing Kingdom binary search brute force data structures Statement E Codeforces Round 158 (Div. 2) {260} PROGRAMMING Codeforces Round #158 (Div. 2) Tutorial 2600
447 Maxim and Calculator brute force dp two pointers Statement E Codeforces Round 160 (Div. 1) {261} PROGRAMMING Codeforces Round #160 tutorial 2800
1158 Circle of Numbers brute force dfs and similar implementation Statement C Codeforces Round 161 (Div. 2) {263} PROGRAMMING Codeforces Round #161 Tutorial 2000
457 Rhombus brute force data structures dp Statement E Codeforces Round 161 (Div. 2) {263} PROGRAMMING Codeforces Round #161 Tutorial 2600
106428 Games brute force Statement A Codeforces Round 164 (Div. 2) {268} PROGRAMMING Codeforces Round #164 (Div. 2) — Problems Analysis 800
15763 Prime Matrix binary search brute force math number theory Statement B Codeforces Round 166 (Div. 2) {271} PROGRAMMING editroal 1400
182928 Beautiful Year brute force Statement A Codeforces Round 166 (Div. 2) {271} PROGRAMMING editroal 900
395 The Last Hole! brute force geometry Statement C Codeforces Round 168 (Div. 1) {274} PROGRAMMING Codeforces Round #168 Editorial 2600
3650 New Problem brute force strings Statement B Codeforces Round 170 (Div. 2) {278} PROGRAMMING Codeforces Round #170 Tutorial 1500
76694 Books binary search brute force implementation two pointers Statement B Codeforces Round 171 (Div. 2) {279} PROGRAMMING Codeforces Round #171 (Div. 2) Разбор Задач 1400
5971 Point on Spiral brute force geometry implementation Statement A Codeforces Round 171 (Div. 2) {279} PROGRAMMING Codeforces Round #171 (Div. 2) Разбор Задач 1400
3444 Nearest Fraction brute force implementation two pointers Statement B Codeforces Round 172 (Div. 2) {281} PROGRAMMING Codeforces Round #172 Editorial 1700
7412 Cows and Poker Game brute force implementation Statement B Codeforces Round 174 (Div. 2) {284} PROGRAMMING Editorial for Codeforces #174 1100
22215 IQ Test brute force implementation Statement A Codeforces Round 176 (Div. 2) {287} PROGRAMMING Разбор задач 1200
10455 Polo the Penguin and Segments brute force implementation Statement A Codeforces Round 177 (Div. 2) {289} PROGRAMMING Codeforces Round #177, editorial 1100
19167 Polo the Penguin and Matrix brute force dp implementation sortings ternary search Statement B Codeforces Round 177 (Div. 2) {289} PROGRAMMING Codeforces Round #177, editorial 1400
1887 Network Mask *special bitmasks brute force implementation Statement C Croc Champ 2013 - Qualification Round {291} PROGRAMMING 2100
1327 Beautiful IP Addresses brute force Statement C Croc Champ 2013 - Round 1 {292} PROGRAMMING Чемпионат КРОК 2013 — Раунд 1 (Разбор задач) 2000
698 Cube Problem brute force math number theory Statement C Croc Champ 2013 - Round 2 {293} PROGRAMMING Croc Champ 2013 — Round 2 — Editorial 2300
981 Distinct Paths brute force combinatorics Statement B Croc Champ 2013 - Round 2 {293} PROGRAMMING Croc Champ 2013 — Round 2 — Editorial 2600
413 Shaass and Painter Robot brute force implementation number theory Statement D Codeforces Round 178 (Div. 2) {294} PROGRAMMING Codeforces Round #178 Editorial 2700
15957 Sail brute force greedy implementation Statement B Codeforces Round 180 (Div. 2) {298} PROGRAMMING Codeforces Round #180 Editorial 1300
6575 Ksusha the Squirrel brute force implementation Statement B Croc Champ 2013 - Round 2 (Div. 2 Edition) {299} PROGRAMMING Croc Champ 2013 — Round 2 — Editorial 1000
9554 Ksusha and Array brute force number theory sortings Statement A Croc Champ 2013 - Round 2 (Div. 2 Edition) {299} PROGRAMMING Croc Champ 2013 — Round 2 — Editorial 1000
28027 Array brute force constructive algorithms implementation Statement A Codeforces Round 181 (Div. 2) {300} PROGRAMMING English Tutorial 1200
7313 Coach brute force dfs and similar graphs Statement B Codeforces Round 181 (Div. 2) {300} PROGRAMMING English Tutorial 1500
12373 Beautiful Numbers brute force combinatorics Statement C Codeforces Round 181 (Div. 2) {300} PROGRAMMING English Tutorial 1800
988 Minimum Modular brute force graphs math number theory Statement C Codeforces Round 183 (Div. 1) {303} PROGRAMMING Codeforces Round #183 Editorial 2700
12168 Pythagorean Theorem II brute force math Statement A Codeforces Round 183 (Div. 2) {304} PROGRAMMING Codeforces Round #183 Editorial 1300
3179 Calendar brute force implementation Statement B Codeforces Round 183 (Div. 2) {304} PROGRAMMING Codeforces Round #183 Editorial 1400
5252 Strange Addition brute force constructive algorithms implementation Statement A Codeforces Round 184 (Div. 2) {305} PROGRAMMING 7712 1600
2296 Continued Fractions brute force implementation math Statement B Codeforces Round 184 (Div. 2) {305} PROGRAMMING 7712 1600
198 Tennis Rackets brute force geometry Statement D Croc Champ 2013 - Finals (online version, Div. 1) {309} PROGRAMMING Чемпионат КРОК 2013 — Финальный раунд — Разбор 2600
597 Fetch the Treasure brute force data structures graphs shortest paths Statement C Codeforces Round 185 (Div. 1) {311} PROGRAMMING Codeforces Round #185 Editorial 2600
12418 Sereja and Bottles brute force Statement A Codeforces Round 187 (Div. 2) {315} PROGRAMMING Codeforces Round #187 tutorial 1400
1561 Summer Homework brute force data structures Statement E1 ABBYY Cup 3.0 {316} PROGRAMMING ABBYY Cup 3.0. Solutions 1500
1503 EKG brute force dfs and similar Statement B1 ABBYY Cup 3.0 {316} PROGRAMMING ABBYY Cup 3.0. Solutions 1600
630 PE Lesson brute force dp Statement D1 ABBYY Cup 3.0 {316} PROGRAMMING ABBYY Cup 3.0. Solutions 2300
4953 Perfect Pair brute force Statement A Codeforces Round 188 (Div. 1) {317} PROGRAMMING Codeforces Round #188 (разбор) 1600
1685 Ants brute force implementation Statement B Codeforces Round 188 (Div. 1) {317} PROGRAMMING Analysis 2000
46196 Magic Numbers brute force greedy Statement A Codeforces Round 189 (Div. 2) {320} PROGRAMMING Codeforces Round #189 — Editorial 1000
51342 Flipping Game brute force dp implementation Statement A Codeforces Round 191 (Div. 2) {327} PROGRAMMING Codeforces Round #191 — Tutorial 1200
31862 Cakeminator brute force implementation Statement A Codeforces Round 192 (Div. 2) {330} PROGRAMMING Codeforces Round #192 Editorial 900
1534 Oh Sweet Beaverette brute force implementation Statement A1 ABBYY Cup 3.0 - Finals (online version) {331} PROGRAMMING ABBYY Cup 3.0 — Finals. Solutions 1400
2272 Characteristics of Rectangles binary search bitmasks brute force implementation sortings Statement D Codeforces Round 194 (Div. 1) {333} PROGRAMMING Codeforces Round 194 — Editoral 2100
1300 Summer Earnings binary search bitmasks brute force geometry sortings Statement E Codeforces Round 194 (Div. 1) {333} PROGRAMMING Codeforces Round 194 — Editoral 2400
437 Lucky Tickets brute force constructive algorithms Statement C Codeforces Round 194 (Div. 1) {333} PROGRAMMING Codeforces Round 194 — Editoral 2800
363 Rectangles and Square brute force dp Statement D MemSQL start[c]up Round 2 - online version {335} PROGRAMMING MemSQL start[c]up Round 2 -- Editorial 2400
2672 Vasily the Bear and Sequence brute force greedy implementation number theory Statement C Codeforces Round 195 (Div. 2) {336} PROGRAMMING Tutorial Codeforces Round #195 (Div. 2) 1800
1158 Divisor Tree brute force number theory trees Statement E Codeforces Round 196 (Div. 2) {337} PROGRAMMING Codeforces Round #196 — Problems Analysis 2400
2389 Maximal Area Quadrilateral brute force geometry Statement B Codeforces Round 198 (Div. 2) {340} PROGRAMMING Tutorial 2000
4222 Xenia and Spies brute force greedy implementation Statement B Codeforces Round 199 (Div. 2) {342} PROGRAMMING Tutorial 1500
960 Pumping Stations brute force dfs and similar divide and conquer flows graphs greedy trees Statement E Codeforces Round 200 (Div. 1) {343} PROGRAMMING Codeforces Round #200 Tutorial 2800
9661 Simple Molecules brute force graphs math Statement B Codeforces Round 200 (Div. 2) {344} PROGRAMMING Codeforces Round #200 Tutorial 1300
9924 Fixed Points brute force implementation math Statement B Codeforces Round 201 (Div. 2) {347} PROGRAMMING Codeforces Round #201 Editorial 1200
2891 Subset Sums brute force data structures Statement C Codeforces Round 202 (Div. 1) {348} PROGRAMMING Editorial for Codeforces Round #202 2600
17655 TL brute force greedy implementation Statement A Codeforces Round 203 (Div. 2) {350} PROGRAMMING Editorial Codeforces Round #203 (Div. 2) 1300
881 Wrong Floyd brute force constructive algorithms dfs and similar graphs Statement E Codeforces Round 203 (Div. 2) {350} PROGRAMMING Editorial Codeforces Round #203 (Div. 2) 2200
28940 Jeff and Digits brute force implementation math Statement A Codeforces Round 204 (Div. 2) {352} PROGRAMMING 1100
5676 Vasya and Robot brute force greedy math Statement A Codeforces Round 206 (Div. 1) {354} PROGRAMMING Codeforces Round #206 — Editorial 1600
3382 Vasya and Beautiful Arrays brute force dp number theory Statement C Codeforces Round 206 (Div. 1) {354} PROGRAMMING Codeforces Round #206 — Editorial 2000
7764 Group of Students brute force greedy implementation Statement A Codeforces Round 207 (Div. 2) {357} PROGRAMMING Codeforces Round #207: tutorial 1200
8177 Dima and Continuous Line brute force implementation Statement A Codeforces Round 208 (Div. 2) {358} PROGRAMMING Codeforces Round #208 (Div. 2) Разбор 1400
3912 Dima and Text Messages brute force strings Statement B Codeforces Round 208 (Div. 2) {358} PROGRAMMING Codeforces Round #208 (Div. 2) Разбор 1500
446 Dima and Kicks brute force dsu graphs implementation Statement E Codeforces Round 208 (Div. 2) {358} PROGRAMMING Codeforces Round #208 (Div. 2) Разбор 2600
5853 Pair of Numbers binary search brute force data structures math two pointers Statement D Codeforces Round 209 (Div. 2) {359} PROGRAMMING Editorial Codeforces Round #209 (Div. 2) 2100
69918 Fence brute force dp Statement B Codeforces Round 211 (Div. 2) {363} PROGRAMMING 9537 1200
255 Two Circles brute force data structures implementation Statement E Codeforces Round 211 (Div. 2) {363} PROGRAMMING 9537 2600
656 Beautiful Set brute force number theory Statement C Codeforces Round 213 (Div. 1) {364} PROGRAMMING Codeforces Round #213 Editorial 2500
2619 Ghd brute force math probabilities Statement D Codeforces Round 213 (Div. 1) {364} PROGRAMMING Codeforces Round #213 Editorial 2600
7194 Dima and To-do List brute force implementation Statement B Codeforces Round 214 (Div. 2) {366} PROGRAMMING Codeforces Round #214 (Div. 2) — Tutorial 1200
873 Dima and Magic Guitar brute force implementation math Statement E Codeforces Round 214 (Div. 2) {366} PROGRAMMING Codeforces Round #214 (Div. 2) — Tutorial 2300