Codeforces problemset search & solutions
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Solved
Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
9771 Chat Servers Outgoing Traffic implementation Statement A Codeforces Beta Round 5 {5} PROGRAMMING C, D и E с CBR5 - разбор 1200
13124 President's Office implementation Statement B Codeforces Beta Round 6 (Div. 2 Only) {6} PROGRAMMING Round #6 - Tutorial (A,B,C,E) 1400
2614 Memory Manager implementation Statement B Codeforces Beta Round 7 {7} PROGRAMMING 1700
7243 Power Consumption Calculation implementation Statement A Codeforces Beta Round 10 {10} PROGRAMMING 1100
616 How Many Squares? implementation Statement C Codeforces Beta Round 11 {11} PROGRAMMING 2200
13195 Super Agent implementation Statement A Codeforces Beta Round 12 (Div 2 Only) {12} PROGRAMMING 1100
10721 Letter implementation Statement A Codeforces Beta Round 14 (Div. 2) {14} PROGRAMMING Codeforces Beta Round #14 tutorial 1100
7109 Young Photographer implementation Statement B Codeforces Beta Round 14 (Div. 2) {14} PROGRAMMING Codeforces Beta Round #14 tutorial 1400
14474 Flag implementation Statement A Codeforces Beta Round 16 (Div. 2 Only) {16} PROGRAMMING Codeforces Beta Round #16 Tutorial 1100
2764 World Football Cup implementation Statement A Codeforces Beta Round 19 {19} PROGRAMMING Code Force Beta Round 19 Solution 1400
6242 BerOS file system implementation Statement A Codeforces Alpha Round 20 (Codeforces format) {20} PROGRAMMING 2600
1786 F1 Champions implementation Statement B Codeforces Beta Round 24 {24} PROGRAMMING 1500
9740 Phone numbers implementation Statement B Codeforces Beta Round 25 (Div. 2 Only) {25} PROGRAMMING Codeforces Beta Round #25 Solution Analysis 1100
801 Bender Problem implementation Statement A Codeforces Beta Round 28 (Codeforces format) {28} PROGRAMMING Codeforces Beta Round #28 (Разбор задач A и B) 2200
2989 Traffic Lights implementation Statement B Codeforces Beta Round 29 (Div. 2, Codeforces format) {29} PROGRAMMING My solution @ Round #29, [without Problem E] 1500
1204 Codeforces World Finals implementation Statement B Codeforces Beta Round 30 (Codeforces format) {30} PROGRAMMING Codeforces Beta Round #30. Разбор C 1700
10400 Worms Evolution implementation Statement A Codeforces Beta Round 31 (Div. 2, Codeforces format) {31} PROGRAMMING 1200
1826 Schedule implementation Statement C Codeforces Beta Round 31 (Div. 2, Codeforces format) {31} PROGRAMMING 1700
1288 Constellation implementation Statement D Codeforces Beta Round 32 (Div. 2, Codeforces format) {32} PROGRAMMING Beta Round 32 1700
30093 Reconnaissance 2 implementation Statement A Codeforces Beta Round 34 (Div. 2) {34} PROGRAMMING Codeforces Beta Round #34 (Div. 2) Разбор 1100
6843 Shell Game implementation Statement A Codeforces Beta Round 35 (Div. 2) {35} PROGRAMMING 1100
1022 Warehouse implementation Statement B Codeforces Beta Round 35 (Div. 2) {35} PROGRAMMING 1700
3025 Extra-terrestrial Intelligence implementation Statement A Codeforces Beta Round 36 {36} PROGRAMMING Codeforces Beta Round #36 1400
1513 Fractal implementation Statement B Codeforces Beta Round 36 {36} PROGRAMMING Codeforces Beta Round #36 1600
499 Vasya the Architect implementation Statement D School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round 38 (ACM-ICPC Rules) {38} PROGRAMMING 2000
21493 Army implementation Statement A 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) 900
1574 Pacifist frogs implementation Statement F School Team Contest 1 (Winter Computer School 2010/11) {39} PROGRAMMING 1300
2774 Multiplication Table implementation Statement H School Team Contest 1 (Winter Computer School 2010/11) {39} PROGRAMMING School Team Contest #1 (Winter Computer School 2010/11): Problem K Tutorial 1300
130 Inverse Function implementation Statement G School Team Contest 1 (Winter Computer School 2010/11) {39} PROGRAMMING School Team Contest #1 (Winter Computer School 2010/11): Problem K Tutorial 2500
955 Game of chess unfinished implementation Statement B Codeforces Beta Round 41 {42} PROGRAMMING Solution of task е, Codeforces beta round #41 1700
11391 Indian Summer implementation Statement A School Team Contest 2 (Winter Computer School 2010/11) {44} PROGRAMMING School Team Contest #2 (Winter Computer School 2010/2011): tutorial of F, G and I. 1100
3489 Holidays implementation Statement C School Team Contest 2 (Winter Computer School 2010/11) {44} PROGRAMMING 1300
2011 Cola implementation Statement B School Team Contest 2 (Winter Computer School 2010/11) {44} PROGRAMMING School Team Contest #2 (Winter Computer School 2010/2011): tutorial of F, G and I. 1600
6785 Codecraft III implementation Statement A School Team Contest 3 (Winter Computer School 2010/11) {45} PROGRAMMING 1500
3706 T-shirts from Sponsor implementation Statement B School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round 43 (ACM-ICPC Rules) {46} PROGRAMMING 1100
14112 Coins implementation Statement B Codeforces Beta Round 44 (Div. 2) {47} PROGRAMMING Codeforces Beta Round #44: tutorial 1200
790 Crossword implementation Statement C Codeforces Beta Round 44 (Div. 2) {47} PROGRAMMING Codeforces Beta Round #44: tutorial 2000
13490 Sleuth implementation Statement A Codeforces Beta Round 46 (Div. 2) {49} PROGRAMMING 800
1836 Cheaterius's Problem implementation Statement A Codeforces Beta Round 48 {51} PROGRAMMING Разбор задачек R#48 1300
482 Geometrical problem implementation Statement D Codeforces Beta Round 48 {51} PROGRAMMING Разбор задачек R#48 2100
8783 123-sequence implementation Statement A Codeforces Testing Round 1 {52} PROGRAMMING 1200
5106 Autocomplete implementation Statement A Codeforces Beta Round 49 (Div. 2) {53} PROGRAMMING Разбор задач Codeforces Beta Round #49(Div. 2) 1200
2081 Presents implementation Statement A Codeforces Beta Round 50 {54} PROGRAMMING Codeforces Beta Round #50: Editorial for problem C 1300
8712 Bar implementation Statement A Codeforces Beta Round 52 (Div. 2) {56} PROGRAMMING CodeForces Beta Round #52 :: Разбор задач 1200
3735 Spoilt Permutation implementation Statement B Codeforces Beta Round 52 (Div. 2) {56} PROGRAMMING CodeForces Beta Round #52 :: Разбор задач 1400
1022 Martian Architecture implementation Statement B Codeforces Beta Round 53 {57} PROGRAMMING 1600
112296 Ultra-Fast Mathematician implementation Statement A Codeforces Beta Round 57 (Div. 2) {61} PROGRAMMING Round 57-A 900
4842 Settlers' Training implementation Statement B Codeforces Beta Round 59 (Div. 2) {63} PROGRAMMING 1200
592 Game implementation Statement C Codeforces Beta Round 63 (Div. 2) {69} PROGRAMMING 1900
5189 Room Leader implementation Statement A Codeforces Beta Round 68 {74} PROGRAMMING Solutions for Codeforces Beta Round #68 1100
26350 Life Without Zeros implementation Statement A Codeforces Beta Round 67 (Div. 2) {75} PROGRAMMING Codeforces Beta Round #67 (Div. 2), my solutions 1200
11036 Plug-in implementation Statement A Yandex.Algorithm Open 2011: Qualification 1 {81} PROGRAMMING 1500
4713 Keyboard implementation Statement B Codeforces Beta Round 73 (Div. 2 Only) {88} PROGRAMMING 1500
1964 Frames implementation Statement A Codeforces Beta Round 76 (Div. 1 Only) {93} PROGRAMMING 1700
27089 Sum of Digits implementation Statement B Codeforces Beta Round 79 (Div. 2 Only) {102} PROGRAMMING Codeforces Beta Round 79, editoral 1100
15464 Blackjack implementation Statement A Codeforces Beta Round 80 (Div. 2 Only) {104} PROGRAMMING Codeforces Beta Round #80 - неофициальный разбор 900
1844 Transmigration implementation Statement A Codeforces Beta Round 81 {105} PROGRAMMING 1600
7632 Card Game implementation Statement A Codeforces Beta Round 82 (Div. 2) {106} PROGRAMMING Solutions for Codeforces Beta Round #82 (Div. 2) 1200
157588 Nearly Lucky Number implementation Statement A Codeforces Beta Round 84 (Div. 2 Only) {110} PROGRAMMING Codeforces Beta Round #84 - Analysis 800
144022 Tram implementation Statement A Codeforces Beta Round 87 (Div. 2 Only) {116} PROGRAMMING Codeforces Beta #87 Editorial 800
27509 Epic Game implementation Statement A Codeforces Beta Round 90 {119} PROGRAMMING Codeforces Beta Round #90 (editorial) 1000
3438 Quiz League implementation Statement B School Regional Team Contest, Saratov, 2011 {120} PROGRAMMING 1100
690 Boom implementation Statement G School Regional Team Contest, Saratov, 2011 {120} PROGRAMMING 1800
9278 Lucky Sum implementation Statement A Codeforces Beta Round 91 (Div. 1 Only) {121} PROGRAMMING Разбор задач 1400
2946 Simple XML implementation Statement B Codeforces Testing Round 2 {125} PROGRAMMING 1300
8881 Canvas Frames implementation Statement B Codeforces Beta Round 93 (Div. 2 Only) {127} PROGRAMMING Editorial for Codeforces Beta Round #93 1200
22854 Cookies implementation Statement A Codeforces Beta Round 94 (Div. 2 Only) {129} PROGRAMMING Codeforces Beta Round #94 Editorial 900
2783 Turing Tape implementation Statement A Codeforces Beta Round 96 (Div. 1) {132} PROGRAMMING Codeforces Beta Round #96: editorial 1300
663 Piet implementation Statement B Codeforces Beta Round 96 (Div. 1) {132} PROGRAMMING Codeforces Beta Round #96: editorial 2000
8824 Unary implementation Statement B Codeforces Beta Round 96 (Div. 2) {133} PROGRAMMING Deleted 1200
106468 HQ9+ implementation Statement A Codeforces Beta Round 96 (Div. 2) {133} PROGRAMMING Deleted 900
119211 Presents implementation Statement A Codeforces Beta Round 97 (Div. 2) {136} PROGRAMMING Codeforces Beta Round #97: editorial 700
7215 Postcards and photos implementation Statement A Codeforces Beta Round 98 (Div. 2) {137} PROGRAMMING Codeforces Beta Round #98 (Div. 2): Editorial 1000
2395 Literature Lesson implementation Statement A Codeforces Beta Round 99 (Div. 1) {138} PROGRAMMING 1600
31510 Petr and Book implementation Statement A Codeforces Beta Round 99 (Div. 2) {139} PROGRAMMING Codeforces Beta Round #99: editorial 1200
5282 Meeting implementation Statement B Codeforces Round 103 (Div. 2) {144} PROGRAMMING 1300
97264 Arrival of the General implementation Statement A Codeforces Round 103 (Div. 2) {144} PROGRAMMING 900
15164 Lucky Ticket implementation Statement A Codeforces Round 104 (Div. 2) {146} PROGRAMMING Codeforces Round #104 (Div. 2) 1000
2263 Martian Clock implementation Statement B Codeforces Round 106 (Div. 2) {149} PROGRAMMING Editorial Round #106 1600
16868 Marks implementation Statement A Codeforces Round 108 (Div. 2) {152} PROGRAMMING Разбор задач Codeforces Round #108 (Div. 2) 1100
23673 Supercentral Point implementation Statement A Codeforces Round 112 (Div. 2) {165} PROGRAMMING Codeforces Round #112 (Div. 2) Tutorial 1100
2044 Wizards and Trolleybuses implementation Statement A Codeforces Round 114 (Div. 1) {167} PROGRAMMING 1600
1426 Plane of Tanks: Pro implementation Statement B Codeforces Round 115 {175} PROGRAMMING 1400
8738 Good Matrix Elements implementation Statement A1 ABBYY Cup 2.0 - Easy {177} PROGRAMMING 700
7369 Good Matrix Elements implementation Statement A2 ABBYY Cup 2.0 - Easy {177} PROGRAMMING 700
541 Defragmentation implementation Statement A Codeforces Round 116 (Div. 2, ACM-ICPC Rules) {180} PROGRAMMING 1800
6945 Vasya's Calendar implementation Statement B Codeforces Round 117 (Div. 2) {182} PROGRAMMING 1000
7599 Prizes, Prizes, more Prizes implementation Statement D Codeforces Round 130 (Div. 2) {208} PROGRAMMING 1200
16563 Airport implementation Statement B Codeforces Round 134 (Div. 2) {218} PROGRAMMING Editorial for Codeforces Round #134 1100
5831 Special Offer! Super Price 999 Bourles! implementation Statement B Codeforces Round 135 (Div. 2) {219} PROGRAMMING User editorial for Codeforces Round #135 (Div. 2) 1500
4587 Little Elephant and Numbers implementation Statement B Codeforces Round 136 (Div. 2) {221} PROGRAMMING Codeforces Round #136 — Editorial 1300
28262 Effective Approach implementation Statement B Codeforces Round 140 (Div. 2) {227} PROGRAMMING 1100
111710 Is your horseshoe on the other hoof? implementation Statement A Codeforces Round 141 (Div. 2) {228} PROGRAMMING Codeforces Round #141 (Div. 2) Tutorial 800
4476 Lefthanders and Righthanders implementation Statement A Codeforces Round 145 (Div. 2, ACM-ICPC Rules) {234} PROGRAMMING 1200
1002 Champions' League implementation Statement E Codeforces Round 145 (Div. 2, ACM-ICPC Rules) {234} PROGRAMMING 1600
1540 Cinema implementation Statement D Codeforces Round 145 (Div. 2, ACM-ICPC Rules) {234} PROGRAMMING 1700
26946 Free Cash implementation Statement A Codeforces Round 147 (Div. 2) {237} PROGRAMMING Codeforces Round #147 (Div. 2) Разбор Задач 1200
7962 Dividing Orange implementation Statement A Codeforces Round 150 (Div. 2) {244} PROGRAMMING Editorial for Codeforces Round #150 1000
8483 System Administrator implementation Statement A CROC-MBTU 2012, Elimination Round (ACM-ICPC) {245} PROGRAMMING 700
22534 Cupboards implementation Statement A Codeforces Round 152 (Div. 2) {248} PROGRAMMING 900