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1 2 3 ... 10 11 12 >Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 26779 | Spreadsheet | implementation math | Statement | B | Codeforces Beta Round 1 {1} | PROGRAMMING | 85 | 1700 | |
| 31761 | Winner | hashing implementation | Statement | A | Codeforces Beta Round 2 {2} | PROGRAMMING | Codeforces Beta Round #2 - Tutorial | 1600 | |
| 8377 | Tic-tac-toe | brute force games implementation | Statement | C | Codeforces Beta Round 3 {3} | PROGRAMMING | CF beta 3: разбор и эмоции | 1700 | |
| 112417 | Registration System | data structures hashing implementation | Statement | C | Codeforces Beta Round 4 (Div. 2 Only) {4} | PROGRAMMING | 1500 | ||
| 11315 | Chat Servers Outgoing Traffic | implementation | Statement | A | Codeforces Beta Round 5 {5} | PROGRAMMING | C, D и E с CBR5 - разбор | 1200 | |
| 6888 | Center Alignment | implementation strings | Statement | B | Codeforces Beta Round 5 {5} | PROGRAMMING | C, D и E с CBR5 - разбор | 1400 | |
| 1977 | Follow Traffic Rules | implementation math | Statement | D | Codeforces Beta Round 5 {5} | PROGRAMMING | C, D и E с CBR5 - разбор | 2100 | |
| 15037 | President's Office | implementation | Statement | B | Codeforces Beta Round 6 (Div. 2 Only) {6} | PROGRAMMING | Round #6 - Tutorial (A,B,C,E) | 1400 | |
| 2987 | Memory Manager | implementation | Statement | B | Codeforces Beta Round 7 {7} | PROGRAMMING | 1700 | ||
| 799 | Defining Macros | dp expression parsing implementation | Statement | E | Codeforces Beta Round 7 {7} | PROGRAMMING | 2500 | ||
| 5033 | Obsession with Robots | constructive algorithms graphs implementation | Statement | B | Codeforces Beta Round 8 {8} | PROGRAMMING | Codeforces Beta Round #8 Tutorial | 1500 | |
| 6257 | Running Student | brute force geometry implementation | Statement | B | Codeforces Beta Round 9 (Div. 2 Only) {9} | PROGRAMMING | Codeforces Beta Round #9 tutorial | 1500 | |
| 14481 | Hexadecimal's Numbers | brute force implementation math | Statement | C | Codeforces Beta Round 9 (Div. 2 Only) {9} | PROGRAMMING | Codeforces Beta Round #9 tutorial | 1500 | |
| 8497 | Power Consumption Calculation | implementation | Statement | A | Codeforces Beta Round 10 {10} | PROGRAMMING | 1100 | ||
| 2105 | Cinema Cashier | dp implementation | Statement | B | Codeforces Beta Round 10 {10} | PROGRAMMING | 1600 | ||
| 15779 | Increasing Sequence | constructive algorithms implementation math | Statement | A | Codeforces Beta Round 11 {11} | PROGRAMMING | 1100 | ||
| 730 | How Many Squares? | implementation | Statement | C | Codeforces Beta Round 11 {11} | PROGRAMMING | 2200 | ||
| 15772 | Super Agent | implementation | Statement | A | Codeforces Beta Round 12 (Div 2 Only) {12} | PROGRAMMING | 1100 | ||
| 7496 | Fruits | greedy implementation sortings | Statement | C | Codeforces Beta Round 12 (Div 2 Only) {12} | PROGRAMMING | 1400 | ||
| 9798 | Correct Solution? | implementation sortings | Statement | B | Codeforces Beta Round 12 (Div 2 Only) {12} | PROGRAMMING | 1400 | ||
| 9609 | Numbers | implementation math | Statement | A | Codeforces Beta Round 13 {13} | PROGRAMMING | Codeforces Beta Round #13 editorial | 1200 | |
| 1148 | Letter A | geometry implementation | Statement | B | Codeforces Beta Round 13 {13} | PROGRAMMING | Codeforces Beta Round #13 editorial | 2000 | |
| 12655 | Letter | implementation | Statement | A | Codeforces Beta Round 14 (Div. 2) {14} | PROGRAMMING | Codeforces Beta Round #14 tutorial | 1100 | |
| 8409 | Young Photographer | implementation | Statement | B | Codeforces Beta Round 14 (Div. 2) {14} | PROGRAMMING | Codeforces Beta Round #14 tutorial | 1400 | |
| 3895 | 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 | |
| 4561 | Cottage Village | implementation sortings | Statement | A | Codeforces Beta Round 15 {15} | PROGRAMMING | Codeforces Beta #15 Tutorial (Incomplete) | 1400 | |
| 961 | Map | data structures implementation sortings | Statement | D | Codeforces Beta Round 15 {15} | PROGRAMMING | Короткий разбор задач CF #15 | 2500 | |
| 17658 | Flag | implementation | Statement | A | Codeforces Beta Round 16 (Div. 2 Only) {16} | PROGRAMMING | Codeforces Beta Round #16 Tutorial | 1100 | |
| 21044 | Burglar and Matches | greedy implementation sortings | Statement | B | Codeforces Beta Round 16 (Div. 2 Only) {16} | PROGRAMMING | Codeforces Beta Round #16 Tutorial | 1300 | |
| 1890 | Logging | implementation strings | Statement | D | Codeforces Beta Round 16 (Div. 2 Only) {16} | PROGRAMMING | Codeforces Beta Round #16 Tutorial | 2000 | |
| 15654 | Stripe | data structures implementation | Statement | C | Codeforces Beta Round 18 (Div. 2 Only) {18} | PROGRAMMING | Codeforces Beta Round #18(Div. 2) Tutorial | 1400 | |
| 3199 | World Football Cup | implementation | Statement | A | Codeforces Beta Round 19 {19} | PROGRAMMING | Code Force Beta Round 19 Solution | 1400 | |
| 7223 | BerOS file system | implementation | Statement | A | Codeforces Alpha Round 20 (Codeforces format) {20} | PROGRAMMING | 2600 | ||
| 1644 | Intersection | implementation math | Statement | B | Codeforces Alpha Round 21 (Codeforces format) {21} | PROGRAMMING | 2300 | ||
| 2310 | Jabber ID | implementation strings | Statement | A | Codeforces Alpha Round 21 (Codeforces format) {21} | PROGRAMMING | 2300 | ||
| 2071 | F1 Champions | implementation | Statement | B | Codeforces Beta Round 24 {24} | PROGRAMMING | Codeforces Beta Round #24 solutions | 1500 | |
| 1466 | Sequence of points | geometry implementation math | Statement | C | Codeforces Beta Round 24 {24} | PROGRAMMING | Codeforces Beta Round #24 solutions | 1800 | |
| 11452 | Phone numbers | implementation | Statement | B | Codeforces Beta Round 25 (Div. 2 Only) {25} | PROGRAMMING | Codeforces Beta Round #25 Solution Analysis | 1100 | |
| 23338 | Next Test | implementation sortings | Statement | A | Codeforces Beta Round 27 (Codeforces format, Div. 2) {27} | PROGRAMMING | Solution of ABC @ Round#27 | 1900 | |
| 987 | Bender Problem | implementation | Statement | A | Codeforces Beta Round 28 (Codeforces format) {28} | PROGRAMMING | Codeforces Beta Round #28 (Разбор задач A и B) | 2200 | |
| 3396 | Traffic Lights | implementation | Statement | B | Codeforces Beta Round 29 (Div. 2, Codeforces format) {29} | PROGRAMMING | My solution @ Round #29, [without Problem E] | 1500 | |
| 6670 | Mail Stamps | data structures dfs and similar graphs implementation | Statement | C | Codeforces Beta Round 29 (Div. 2, Codeforces format) {29} | PROGRAMMING | My solution @ Round #29, [without Problem E] | 1700 | |
| 1397 | Codeforces World Finals | implementation | Statement | B | Codeforces Beta Round 30 (Codeforces format) {30} | PROGRAMMING | Codeforces Beta Round #30. Разбор C | 1700 | |
| 12810 | Worms Evolution | implementation | Statement | A | Codeforces Beta Round 31 (Div. 2, Codeforces format) {31} | PROGRAMMING | 1200 | ||
| 4797 | Sysadmin Bob | greedy implementation strings | Statement | B | Codeforces Beta Round 31 (Div. 2, Codeforces format) {31} | PROGRAMMING | 1500 | ||
| 2053 | Schedule | implementation | Statement | C | Codeforces Beta Round 31 (Div. 2, Codeforces format) {31} | PROGRAMMING | 1700 | ||
| 1252 | Chocolate | dfs and similar implementation | Statement | D | Codeforces Beta Round 31 (Div. 2, Codeforces format) {31} | PROGRAMMING | 2000 | ||
| 1504 | Constellation | implementation | Statement | D | Codeforces Beta Round 32 (Div. 2, Codeforces format) {32} | PROGRAMMING | Beta Round 32 | 1700 | |
| 442 | Hide-and-Seek | geometry implementation | Statement | E | Codeforces Beta Round 32 (Div. 2, Codeforces format) {32} | PROGRAMMING | 2300 | ||
| 81554 | Borze | expression parsing implementation | Statement | B | Codeforces Beta Round 32 (Div. 2, Codeforces format) {32} | PROGRAMMING | Beta Round 32 | 900 | |
| 4988 | What is for dinner? | greedy implementation | Statement | A | Codeforces Beta Round 33 (Codeforces format) {33} | PROGRAMMING | Codeforces Beta Round #33. Analysis of problem A | 1300 | |
| 35287 | Reconnaissance 2 | implementation | Statement | A | Codeforces Beta Round 34 (Div. 2) {34} | PROGRAMMING | Codeforces Beta Round #34 (Div. 2) Разбор | 1100 | |
| 4850 | Page Numbers | expression parsing implementation sortings strings | Statement | C | Codeforces Beta Round 34 (Div. 2) {34} | PROGRAMMING | Codeforces Beta Round #34 (Div. 2) Разбор | 1400 | |
| 673 | Collisions | brute force implementation math | Statement | E | Codeforces Beta Round 34 (Div. 2) {34} | PROGRAMMING | Codeforces Beta Round #34 (Div. 2) Разбор | 2100 | |
| 7662 | Shell Game | implementation | Statement | A | Codeforces Beta Round 35 (Div. 2) {35} | PROGRAMMING | 1100 | ||
| 1212 | Warehouse | implementation | Statement | B | Codeforces Beta Round 35 (Div. 2) {35} | PROGRAMMING | 1700 | ||
| 3590 | Extra-terrestrial Intelligence | implementation | Statement | A | Codeforces Beta Round 36 {36} | PROGRAMMING | Codeforces Beta Round #36 | 1400 | |
| 2060 | Fractal | implementation | Statement | B | Codeforces Beta Round 36 {36} | PROGRAMMING | Codeforces Beta Round #36 | 1600 | |
| 391 | Bowls | geometry implementation | Statement | C | Codeforces Beta Round 36 {36} | PROGRAMMING | Codeforces Beta Round #36 | 2200 | |
| 634 | Two Paths | constructive algorithms dsu graphs implementation | Statement | E | Codeforces Beta Round 36 {36} | PROGRAMMING | Codeforces Beta Round #36 (Problem E solution) | 2500 | |
| 1104 | Computer Game | greedy implementation | Statement | B | Codeforces Beta Round 37 {37} | PROGRAMMING | Codeforces Beta Round #37 (Tutorial) | 1800 | |
| 4099 | 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 | |
| 1086 | Vasya the Architect | implementation | Statement | D | 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) | 2000 | |
| 26927 | 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 | |
| 1997 | Pacifist frogs | implementation | Statement | F | School Team Contest 1 (Winter Computer School 2010/11) {39} | PROGRAMMING | School Team Contest #1 (Winter Computer School 2010/11): Tutorial | 1300 | |
| 3164 | 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 | |
| 3629 | Spelling Check | hashing implementation strings | Statement | J | School Team Contest 1 (Winter Computer School 2010/11) {39} | PROGRAMMING | School Team Contest #1 (Winter Computer School 2010/11): Problem K Tutorial | 1600 | |
| 176 | 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 | |
| 4490 | Find Color | constructive algorithms geometry implementation math | Statement | A | Codeforces Beta Round 39 {40} | PROGRAMMING | codeforces #39 | 1300 | |
| 356 | Berland Square | implementation math | Statement | C | Codeforces Beta Round 39 {40} | PROGRAMMING | codeforces #39 | 2200 | |
| 4259 | Email address | expression parsing implementation | Statement | C | Codeforces Beta Round 40 (Div. 2) {41} | PROGRAMMING | Codeforces Beta Round #40 Mini-Tutorial | 1400 | |
| 193127 | Translation | implementation strings | Statement | A | Codeforces Beta Round 40 (Div. 2) {41} | PROGRAMMING | Codeforces Beta Round #40 Mini-Tutorial | 900 | |
| 3199 | Guilty --- to the kitchen! | greedy implementation | Statement | A | Codeforces Beta Round 41 {42} | PROGRAMMING | Solution of task е, Codeforces beta round #41 | 1500 | |
| 1181 | Game of chess unfinished | implementation | Statement | B | Codeforces Beta Round 41 {42} | PROGRAMMING | Solution of task е, Codeforces beta round #41 | 1700 | |
| 20834 | Letter | implementation strings | Statement | B | Codeforces Beta Round 42 (Div. 2) {43} | PROGRAMMING | How to solve Codeforces 42(Div.2) | 1200 | |
| 1255 | 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 | |
| 477 | 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 | |
| 18306 | 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 | |
| 4119 | Holidays | implementation | Statement | C | 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. | 1300 | |
| 2335 | 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 | |
| 530 | Shooting Gallery | data structures implementation | Statement | G | 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. | 2600 | |
| 8244 | Codecraft III | implementation | Statement | A | School Team Contest 3 (Winter Computer School 2010/11) {45} | PROGRAMMING | 1500 | ||
| 4172 | 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 | School Individual Contest #2 (WCS 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules). Tasks B, D, E tutorial. | 1100 | |
| 1102 | Parking Lot | data structures implementation | Statement | D | 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). Tasks B, D, E tutorial. | 1800 | |
| 10104 | 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 | |
| 16246 | Coins | implementation | Statement | B | Codeforces Beta Round 44 (Div. 2) {47} | PROGRAMMING | Codeforces Beta Round #44: tutorial | 1200 | |
| 893 | Crossword | implementation | Statement | C | Codeforces Beta Round 44 (Div. 2) {47} | PROGRAMMING | Codeforces Beta Round #44: tutorial | 2000 | |
| 3076 | 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 | ||
| 7393 | Rock-paper-scissors | implementation schedules | Statement | A | School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round 45 (ACM-ICPC Rules) {48} | PROGRAMMING | 900 | ||
| 2155 | Game | brute force dp implementation | Statement | D | Codeforces Beta Round 46 (Div. 2) {49} | PROGRAMMING | 1700 | ||
| 15440 | Sleuth | implementation | Statement | A | Codeforces Beta Round 46 (Div. 2) {49} | PROGRAMMING | 800 | ||
| 2097 | Cheaterius's Problem | implementation | Statement | A | Codeforces Beta Round 48 {51} | PROGRAMMING | Разбор задачек R#48 | 1300 | |
| 609 | Geometrical problem | implementation | Statement | D | Codeforces Beta Round 48 {51} | PROGRAMMING | Разбор задачек R#48 | 2100 | |
| 10742 | 123-sequence | implementation | Statement | A | Codeforces Testing Round 1 {52} | PROGRAMMING | 1200 | ||
| 5858 | Autocomplete | implementation | Statement | A | Codeforces Beta Round 49 (Div. 2) {53} | PROGRAMMING | Разбор задач Codeforces Beta Round #49(Div. 2) | 1200 | |
| 1585 | Blog Photo | binary search implementation | Statement | B | Codeforces Beta Round 49 (Div. 2) {53} | PROGRAMMING | Разбор задач Codeforces Beta Round #49(Div. 2) | 1900 | |
| 2591 | Presents | implementation | Statement | A | Codeforces Beta Round 50 {54} | PROGRAMMING | Codeforces Beta Round #50: Editorial for problem C | 1300 | |
| 921 | Cutting Jigsaw Puzzle | hashing implementation | Statement | B | Codeforces Beta Round 50 {54} | PROGRAMMING | Codeforces Beta Round #50: Editorial for problem E | 1800 | |
| 3930 | Flea travel | implementation math | Statement | A | Codeforces Beta Round 51 {55} | PROGRAMMING | Round 51, A | 1300 | |
| 9739 | Bar | implementation | Statement | A | Codeforces Beta Round 52 (Div. 2) {56} | PROGRAMMING | CodeForces Beta Round #52 :: Разбор задач | 1200 | |
| 4063 | Spoilt Permutation | implementation | Statement | B | Codeforces Beta Round 52 (Div. 2) {56} | PROGRAMMING | CodeForces Beta Round #52 :: Разбор задач | 1400 | |
| 1316 | Corporation Mail | data structures expression parsing implementation | Statement | C | Codeforces Beta Round 52 (Div. 2) {56} | PROGRAMMING | CodeForces Beta Round #52 :: Разбор задач | 1800 | |
| 3295 | Square Earth? | dfs and similar greedy implementation | Statement | A | Codeforces Beta Round 53 {57} | PROGRAMMING | Codeforces Beta Round #53 [Analysis] | 1400 | |
| 1176 | Martian Architecture | implementation | Statement | B | Codeforces Beta Round 53 {57} | PROGRAMMING | Codeforces Beta Round #53 [Analysis] | 1600 | |
| 8077 | Fortune Telling | implementation number theory | Statement | B | Codeforces Beta Round 55 (Div. 2) {59} | PROGRAMMING | Round 55 (DIV 2) | 1200 | |
| 769 | Team Arrangement | constructive algorithms greedy implementation | Statement | D | Codeforces Beta Round 55 (Div. 2) {59} | PROGRAMMING | 2200 | ||
| 234242 | Word | implementation strings | Statement | A | Codeforces Beta Round 55 (Div. 2) {59} | PROGRAMMING | Round 55 (DIV 2) | 800 | |
| 4404 | Where Are My Flakes? | implementation two pointers | Statement | A | Codeforces Beta Round 56 {60} | PROGRAMMING | Solutions for Codeforces Beta Round #56 | 1300 | |
| 139108 | Ultra-Fast Mathematician | implementation | Statement | A | Codeforces Beta Round 57 (Div. 2) {61} | PROGRAMMING | Round 57-A | 900 | |
| 1413 | Tyndex.Brome | binary search implementation | Statement | B | Codeforces Beta Round 58 {62} | PROGRAMMING | Codeforces Beta Round #58 tutorial | 1700 | |
| 350 | Inquisition | geometry implementation sortings | Statement | C | Codeforces Beta Round 58 {62} | PROGRAMMING | Codeforces Beta Round #58 tutorial | 2300 | |
| 13585 | Sinking Ship | implementation sortings strings | Statement | A | Codeforces Beta Round 59 (Div. 2) {63} | PROGRAMMING | Разбор задач Codeforces Round #59 (Div. 2) | 1100 | |
| 5239 | Settlers' Training | implementation | Statement | B | Codeforces Beta Round 59 (Div. 2) {63} | PROGRAMMING | Solutions Codeforces Round #59 | 1200 | |
| 2015 | Bulls and Cows | brute force implementation | Statement | C | Codeforces Beta Round 59 (Div. 2) {63} | PROGRAMMING | Solutions Codeforces Round #59 | 1800 | |
| 879 | Sweets Game | bitmasks dfs and similar dp games implementation | Statement | E | Codeforces Beta Round 59 (Div. 2) {63} | PROGRAMMING | Разбор задач Codeforces Round #59 (Div. 2) | 2200 | |
| 4361 | Factorial | *special implementation | Statement | A | Unknown Language Round 1 {64} | PROGRAMMING | 1300 | ||
| 358 | Table | *special greedy implementation math | Statement | C | Unknown Language Round 1 {64} | PROGRAMMING | 1700 | ||
| 1560 | 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 | |
| 2036 | Harry Potter and Three Spells | implementation math | Statement | A | Codeforces Beta Round 60 {65} | PROGRAMMING | Codeforces Beta Round #60: tutorial | 1800 | |
| 109 | Harry Potter and Moving Staircases | dfs and similar implementation | Statement | E | Codeforces Beta Round 60 {65} | PROGRAMMING | Codeforces Beta Round #60: tutorial | 2900 | |
| 23342 | Petya and Countryside | brute force implementation | Statement | B | Codeforces Beta Round 61 (Div. 2) {66} | PROGRAMMING | Codeforces Beta Round #61 (Div. 2): Editorial | 1200 | |
| 7121 | Petya and Java | implementation strings | Statement | A | Codeforces Beta Round 61 (Div. 2) {66} | PROGRAMMING | Codeforces Beta Round #61 (Div. 2): Editorial | 1400 | |
| 1198 | Petya and File System | data structures implementation | Statement | C | Codeforces Beta Round 61 (Div. 2) {66} | PROGRAMMING | Codeforces Beta Round #61 (Div. 2): Editorial | 1800 | |
| 2550 | Partial Teacher | dp graphs greedy implementation | Statement | A | Manthan 2011 {67} | PROGRAMMING | 1800 | ||
| 5420 | Irrational problem | implementation number theory | Statement | A | Codeforces Beta Round 62 {68} | PROGRAMMING | Разбор задачи D. CF62 | 1100 | |
| 206193 | Young Physicist | implementation math | Statement | A | Codeforces Beta Round 63 (Div. 2) {69} | PROGRAMMING | Analysis Codeforces Beta Round #63 (Div. 2) | 1100 | |
| 3659 | Bets | greedy implementation | Statement | B | Codeforces Beta Round 63 (Div. 2) {69} | PROGRAMMING | Analysis Codeforces Beta Round #63 (Div. 2) | 1300 | |
| 5161 | Subsegments | data structures implementation | Statement | E | Codeforces Beta Round 63 (Div. 2) {69} | PROGRAMMING | Analysis Codeforces Beta Round #63 (Div. 2) | 1800 | |
| 697 | Game | implementation | Statement | C | Codeforces Beta Round 63 (Div. 2) {69} | PROGRAMMING | Analysis Codeforces Beta Round #63 (Div. 2) | 1900 | |
| 614 | Information Reform | dp implementation trees | Statement | E | Codeforces Beta Round 64 {70} | PROGRAMMING | Analysis Codeforces Beta Round #64 | 2700 | |
| 5391 | Progress Bar | implementation math | Statement | B | Codeforces Beta Round 65 (Div. 2) {71} | PROGRAMMING | Разбор задач Codeforces Beta Round #65 (Div. 2) | 1400 | |
| 807 | Solitaire | brute force implementation | Statement | D | Codeforces Beta Round 65 (Div. 2) {71} | PROGRAMMING | Разбор задач Codeforces Beta Round #65 (Div. 2) | 2200 | |
| 484 | Goofy Numbers | *special implementation | Statement | I | Unknown Language Round 2 {72} | PROGRAMMING | 1500 | ||
| 285 | Reverse It! | *special implementation | Statement | H | Unknown Language Round 2 {72} | PROGRAMMING | 1600 | ||
| 117 | INI-file | *special implementation | Statement | B | Unknown Language Round 2 {72} | PROGRAMMING | 2500 | ||
| 5931 | Room Leader | implementation | Statement | A | Codeforces Beta Round 68 {74} | PROGRAMMING | Solutions for Codeforces Beta Round #68 | 1100 | |
| 30156 | Life Without Zeros | implementation | Statement | A | Codeforces Beta Round 67 (Div. 2) {75} | PROGRAMMING | Codeforces Beta Round #67 (Div. 2), my solutions | 1200 | |
| 3645 | Facetook Priority Wall | expression parsing implementation strings | Statement | B | Codeforces Beta Round 67 (Div. 2) {75} | PROGRAMMING | Codeforces Beta Round #67 (Div. 2) Editorial | 1500 | |
| 2110 | Big Maximum Sum | data structures dp greedy implementation math trees | Statement | D | Codeforces Beta Round 67 (Div. 2) {75} | PROGRAMMING | Codeforces Beta Round #67 (Div. 2) Editorial | 2100 | |
| 1913 | Points | implementation math | Statement | E | All-Ukrainian School Olympiad in Informatics {76} | PROGRAMMING | All-Ukrainian School Olympiad in Informatics: editorial (A,B,C,D,E,F) | 1700 | |
| 1975 | 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 | |
| 378 | Domino Carpet | dp implementation | Statement | D | 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) | 2300 | |
| 15576 | Haiku | implementation strings | Statement | A | Codeforces Beta Round 70 (Div. 2) {78} | PROGRAMMING | Solutions for Codeforces Beta Round #70 (Div. 2) | 1000 | |
| 15486 | Easter Eggs | constructive algorithms implementation | Statement | B | Codeforces Beta Round 70 (Div. 2) {78} | PROGRAMMING | Solutions for Codeforces Beta Round #70 (Div. 2) | 1200 | |
| 8040 | Colorful Field | implementation sortings | Statement | B | Codeforces Beta Round 71 {79} | PROGRAMMING | Codeforces Beta Round #71 - разбор (перевод A-D) | 1500 | |
| 14165 | Plug-in | implementation | Statement | A | Yandex.Algorithm Open 2011: Qualification 1 {81} | PROGRAMMING | 1500 | ||
| 2160 | Sequence Formatting | implementation strings | Statement | B | Yandex.Algorithm Open 2011: Qualification 1 {81} | PROGRAMMING | 1700 | ||
| 430 | Pairs | dfs and similar dp dsu graphs implementation trees | Statement | E | Yandex.Algorithm Open 2011: Qualification 1 {81} | PROGRAMMING | 2600 | ||
| 32511 | Double Cola | implementation math | Statement | A | Yandex.Algorithm 2011: Qualification 2 {82} | PROGRAMMING | 1889 | 1100 | |
| 2343 | Sets | constructive algorithms hashing implementation | Statement | B | Yandex.Algorithm 2011: Qualification 2 {82} | PROGRAMMING | 1889 | 1700 | |
| 1873 | Biathlon | binary search implementation | Statement | C | Codeforces Beta Round 72 (Div. 2 Only) {84} | PROGRAMMING | 1700 | ||
| 2037 | Domino | constructive algorithms implementation | Statement | A | Yandex.Algorithm 2011: Round 1 {85} | PROGRAMMING | Yandex.Algorithm 2011 - Round 1. Problem C. Tutorial | 1400 | |
| 2513 | 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 | |
| 17548 | Powerful array | data structures implementation math two pointers | Statement | D | Yandex.Algorithm 2011: Round 2 {86} | PROGRAMMING | Problemset analysis (Yandex, Round 2) | 2700 | |
| 5854 | Trains | implementation math | Statement | A | Codeforces Beta Round 73 (Div. 1 Only) {87} | PROGRAMMING | CodeForces Beta Round #73 div. 1 analysis (particulary with div. 2) | 1500 | |
| 1271 | Vasya and Types | implementation strings | Statement | B | Codeforces Beta Round 73 (Div. 1 Only) {87} | PROGRAMMING | CodeForces Beta Round #73 div. 1 analysis (particulary with div. 2) | 1900 | |
| 1087 | Beautiful Road | dfs and similar dp dsu graphs implementation sortings trees | Statement | D | Codeforces Beta Round 73 (Div. 1 Only) {87} | PROGRAMMING | CodeForces Beta Round #73 div. 1 analysis (particulary with div. 2) | 2300 | |
| 4114 | Chord | brute force implementation | Statement | A | Codeforces Beta Round 73 (Div. 2 Only) {88} | PROGRAMMING | Codeforces Beta Round #73. Tutorial (Div2) | 1200 | |
| 5304 | Keyboard | implementation | Statement | B | Codeforces Beta Round 73 (Div. 2 Only) {88} | PROGRAMMING | CodeForces Beta Round #73 div. 1 analysis (particulary with div. 2) | 1500 | |
| 706 | 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 | |
| 615 | Widget Library | dp expression parsing graphs implementation | Statement | B | Codeforces Beta Round 74 (Div. 1 Only) {89} | PROGRAMMING | Solutions for Codeforces Beta Round #74 | 2200 | |
| 5759 | African Crossword | implementation strings | Statement | B | Codeforces Beta Round 74 (Div. 2 Only) {90} | PROGRAMMING | Codeforces Beta Round #74 - Short editorial except Div. 1 E | 1100 | |
| 21734 | Chips | implementation math | Statement | A | Codeforces Beta Round 75 (Div. 2 Only) {92} | PROGRAMMING | Analysis Codeforces Beta Round #75 | 800 | |
| 2086 | Frames | implementation | Statement | A | Codeforces Beta Round 76 (Div. 1 Only) {93} | PROGRAMMING | Codeforces Beta Round 76 - задача Е div 1 глазами ее автора. | 1700 | |
| 468 | 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 | |
| 12490 | Restoring Password | implementation strings | Statement | A | Codeforces Beta Round 76 (Div. 2 Only) {94} | PROGRAMMING | Analysis Beta Round #76 (Div. 2-A,B,C) | 1000 | |
| 5426 | Friends | graphs implementation math | Statement | B | Codeforces Beta Round 76 (Div. 2 Only) {94} | PROGRAMMING | Analysis Beta Round #76 (Div. 2-A,B,C) | 1400 | |
| 1868 | Hockey | implementation strings | Statement | A | Codeforces Beta Round 77 (Div. 1 Only) {95} | PROGRAMMING | Codeforces Beta Round #77 - Analysis | 1700 | |
| 197676 | Football | implementation strings | Statement | A | Codeforces Beta Round 77 (Div. 2 Only) {96} | PROGRAMMING | Codeforces Beta Round #77 (Div. 2 Only) Question A - D | 1100 | |
| 349 | Domino | brute force implementation | Statement | A | Yandex.Algorithm 2011: Finals {97} | PROGRAMMING | Финал Яндекс.Алгоритм: разбор A-B | 2400 | |
| 369 | Robot in Basement | bitmasks brute force implementation | Statement | D | Yandex.Algorithm 2011: Finals {97} | PROGRAMMING | Финал Яндекс.Алгоритм: разбор A-B | 2600 | |
| 1360 | Help Victoria the Wise | brute force implementation | Statement | A | Codeforces Beta Round 78 (Div. 1 Only) {98} | PROGRAMMING | Editorial | 1700 | |
| 161 | Help King | implementation probabilities trees | Statement | B | Codeforces Beta Round 78 (Div. 1 Only) {98} | PROGRAMMING | 2600 | ||
| 3238 | Help Chef Gerasim | implementation sortings | Statement | B | Codeforces Beta Round 78 (Div. 2 Only) {99} | PROGRAMMING | Codeforces Beta Round #78 Div 2 (ABC solutions) | 1400 | |
| 1045 | Carpeting the Room | *special implementation | Statement | A | Unknown Language Round 3 {100} | PROGRAMMING | 1300 | ||
| 633 | A+B | *special implementation | Statement | C | Unknown Language Round 3 {100} | PROGRAMMING | 1400 | ||
| 617 | Friendly Numbers | *special implementation | Statement | B | Unknown Language Round 3 {100} | PROGRAMMING | 1600 | ||
| 143 | Name the album | *special data structures implementation | Statement | G | Unknown Language Round 3 {100} | PROGRAMMING | 2000 | ||
| 161 | Polynom | *special implementation | Statement | F | Unknown Language Round 3 {100} | PROGRAMMING | 2000 | ||
| 93 | Battleship | *special dfs and similar implementation | Statement | H | Unknown Language Round 3 {100} | PROGRAMMING | 2200 | ||
| 844 | Vectors | implementation math | Statement | C | Codeforces Beta Round 79 (Div. 1 Only) {101} | PROGRAMMING | Codeforces Beta Round 79, editoral | 2100 | |
| 32380 | Sum of Digits | implementation | Statement | B | Codeforces Beta Round 79 (Div. 2 Only) {102} | PROGRAMMING | Codeforces Beta Round 79, editoral | 1100 | |
| 6675 | Testing Pants for Sadness | greedy implementation math | Statement | A | Codeforces Beta Round 80 (Div. 1 Only) {103} | PROGRAMMING | Tutorial | 1200 | |
| 17301 | Blackjack | implementation | Statement | A | Codeforces Beta Round 80 (Div. 2 Only) {104} | PROGRAMMING | Codeforces Beta Round #80 - неофициальный разбор | 900 | |
| 2036 | Transmigration | implementation | Statement | A | Codeforces Beta Round 81 {105} | PROGRAMMING | Tutorial | 1600 | |
| 408 | Item World | brute force implementation sortings | Statement | C | Codeforces Beta Round 81 {105} | PROGRAMMING | Tutorial | 2100 | |
| 149 | Entertaining Geodetics | brute force dsu implementation | Statement | D | Codeforces Beta Round 81 {105} | PROGRAMMING | Tutorial | 2600 | |
| 6914 | Choosing Laptop | brute force implementation | Statement | B | Codeforces Beta Round 82 (Div. 2) {106} | PROGRAMMING | Solutions for Codeforces Beta Round #82 (Div. 2) | 1100 | |
| 8603 | Card Game | implementation | Statement | A | Codeforces Beta Round 82 (Div. 2) {106} | PROGRAMMING | Solutions for Codeforces Beta Round #82 (Div. 2) | 1200 | |
| 1482 | Treasure Island | brute force implementation | Statement | D | Codeforces Beta Round 82 (Div. 2) {106} | PROGRAMMING | Solutions for Codeforces Beta Round #82 (Div. 2) | 1700 | |
| 10434 | Palindromic Times | implementation strings | Statement | A | Codeforces Beta Round 83 (Div. 2 Only) {108} | PROGRAMMING | Editorial: Codeforces Beta Round #83 (Dima) | 1100 | |
| 20092 | Lucky Sum of Digits | brute force implementation | Statement | A | Codeforces Beta Round 84 (Div. 1 Only) {109} | PROGRAMMING | Tutorial | 1200 | |
| 204490 | Nearly Lucky Number | implementation | Statement | A | Codeforces Beta Round 84 (Div. 2 Only) {110} | PROGRAMMING | Codeforces Beta Round #84 - Analysis | 800 | |
| 4589 | Petya and Square | implementation math | Statement | B | Codeforces Beta Round 85 (Div. 2 Only) {112} | PROGRAMMING | Разбор CFBR #85 Div. 1 C, D | 1300 | |
| 294361 | Petya and Strings | implementation strings | Statement | A | Codeforces Beta Round 85 (Div. 2 Only) {112} | PROGRAMMING | Разбор CFBR #85 Div. 1 C, D | 900 | |
| 2618 | Grammar Lessons | implementation strings | Statement | A | Codeforces Beta Round 86 (Div. 1 Only) {113} | PROGRAMMING | Codeforces Beta Round #86 Editorial | 1600 | |
| 169 | Sleeping | combinatorics implementation math | Statement | E | Codeforces Beta Round 86 (Div. 1 Only) {113} | PROGRAMMING | Codeforces Beta Round #86 Editorial | 2600 | |
| 14685 | Little Pigs and Wolves | greedy implementation | Statement | B | Codeforces Beta Round 87 (Div. 2 Only) {116} | PROGRAMMING | Codeforces Beta #87 Editorial | 1300 | |
| 180429 | Tram | implementation | Statement | A | Codeforces Beta Round 87 (Div. 2 Only) {116} | PROGRAMMING | Codeforces Beta #87 Editorial | 800 | |
| 2234 | Elevator | implementation math | Statement | A | Codeforces Beta Round 88 {117} | PROGRAMMING | Codeforces Beta Round #88 (Editorial) | 1400 | |
| 441 | Tree or not Tree | data structures divide and conquer implementation trees | Statement | E | Codeforces Beta Round 88 {117} | PROGRAMMING | Codeforces Beta Round #88 (Editorial) | 2800 | |
| 35064 | Present from Lena | constructive algorithms implementation | Statement | B | Codeforces Beta Round 89 (Div. 2) {118} | PROGRAMMING | Разбор задач. Codeforces beta round #89. | 1100 | |
| 235802 | String Task | implementation strings | Statement | A | Codeforces Beta Round 89 (Div. 2) {118} | PROGRAMMING | Разбор задач. Codeforces beta round #89. | 1100 | |
| 29751 | Epic Game | implementation | Statement | A | Codeforces Beta Round 90 {119} | PROGRAMMING | Codeforces Beta Round #90 (editorial) | 1000 | |
| 1145 | Before Exam | constructive algorithms implementation sortings | Statement | B | Codeforces Beta Round 90 {119} | PROGRAMMING | Разбор задачи E Codeforces Beta Round #90 | 1700 | |
| 5714 | Elevator | brute force implementation math | Statement | A | School Regional Team Contest, Saratov, 2011 {120} | PROGRAMMING | Tutorial for school regional team contest of Saratov | 1000 | |
| 3685 | Quiz League | implementation | Statement | B | School Regional Team Contest, Saratov, 2011 {120} | PROGRAMMING | Tutorial for school regional team contest of Saratov | 1100 | |
| 3999 | Winnie-the-Pooh and honey | implementation math | Statement | C | School Regional Team Contest, Saratov, 2011 {120} | PROGRAMMING | Tutorial for school regional team contest of Saratov | 1100 | |
| 721 | Boom | implementation | Statement | G | School Regional Team Contest, Saratov, 2011 {120} | PROGRAMMING | Tutorial for school regional team contest of Saratov | 1800 | |
| 10672 | Lucky Sum | implementation | Statement | A | Codeforces Beta Round 91 (Div. 1 Only) {121} | PROGRAMMING | Разбор задач | 1400 | |
| 355 | Lucky Segments | binary search implementation two pointers | Statement | D | Codeforces Beta Round 91 (Div. 1 Only) {121} | PROGRAMMING | Tutorial | 2400 | |
| 13345 | Lucky Substring | brute force implementation | Statement | B | Codeforces Beta Round 91 (Div. 2 Only) {122} | PROGRAMMING | BIT solution for Codeforces #91 E | 1100 | |
| 4072 | Prime Permutation | implementation number theory strings | Statement | A | Codeforces Beta Round 92 (Div. 1 Only) {123} | PROGRAMMING | Codeforces Beta Round #92 - Analysis | 1600 | |
| 4959 | Permutations | brute force combinatorics implementation | Statement | B | Codeforces Beta Round 92 (Div. 2 Only) {124} | PROGRAMMING | Codeforces Beta Round #92 - Analysis | 1400 | |
| 3768 | Simple XML | implementation | Statement | B | Codeforces Testing Round 2 {125} | PROGRAMMING | 1300 | ||
| 10593 | Canvas Frames | implementation | Statement | B | Codeforces Beta Round 93 (Div. 2 Only) {127} | PROGRAMMING | Editorial for Codeforces Beta Round #93 | 1200 | |
| 1295 | Numbers | constructive algorithms implementation | Statement | D | Codeforces Beta Round 94 (Div. 1 Only) {128} | PROGRAMMING | 3219 | 2000 | |
| 2914 | String | brute force constructive algorithms hashing implementation string suffix structures strings | Statement | B | Codeforces Beta Round 94 (Div. 1 Only) {128} | PROGRAMMING | 3219 | 2200 | |
| 14061 | 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 | |
| 25493 | Cookies | implementation | Statement | A | Codeforces Beta Round 94 (Div. 2 Only) {129} | PROGRAMMING | Codeforces Beta Round #94 Editorial | 900 | |
| 1989 | Hexagonal numbers | *special implementation | Statement | A | Unknown Language Round 4 {130} | PROGRAMMING | Unknown Language Round #4: editorial | 1300 | |
| 565 | Gnikool Ssalg | *special implementation strings | Statement | B | Unknown Language Round 4 {130} | PROGRAMMING | Unknown Language Round #4: editorial | 1500 | |
| 102843 | cAPS lOCK | implementation strings | Statement | A | Codeforces Beta Round 95 (Div. 2) {131} | PROGRAMMING | Разбор Codeforces Beta Round #95 (Div.2) | 1100 | |
| 7606 | Opposites Attract | implementation math | Statement | B | Codeforces Beta Round 95 (Div. 2) {131} | PROGRAMMING | Some ideas for Round #95 (Div 2) | 1300 | |
| 2995 | Turing Tape | implementation | Statement | A | Codeforces Beta Round 96 (Div. 1) {132} | PROGRAMMING | Codeforces Beta Round #96: editorial | 1300 | |
| 774 | Piet | implementation | Statement | B | Codeforces Beta Round 96 (Div. 1) {132} | PROGRAMMING | Codeforces Beta Round #96: editorial | 2000 | |
| 9485 | Unary | implementation | Statement | B | Codeforces Beta Round 96 (Div. 2) {133} | PROGRAMMING | Deleted | 1200 | |
| 127272 | HQ9+ | implementation | Statement | A | Codeforces Beta Round 96 (Div. 2) {133} | PROGRAMMING | Deleted | 900 | |
| 4890 | Average Numbers | brute force implementation | Statement | A | Codeforces Testing Round 3 {134} | PROGRAMMING | 1300 | ||
| 8310 | Replacement | greedy implementation sortings | Statement | A | Codeforces Beta Round 97 (Div. 1) {135} | PROGRAMMING | Codeforces Beta Round #97: editorial | 1400 | |
| 326 | Cycle | brute force dfs and similar implementation | Statement | D | Codeforces Beta Round 97 (Div. 1) {135} | PROGRAMMING | Codeforces Beta Round #97: editorial | 2400 | |
| 5365 | Ternary Logic | implementation math | Statement | B | Codeforces Beta Round 97 (Div. 2) {136} | PROGRAMMING | Codeforces Beta Round #97: editorial | 1200 | |
| 149969 | Presents | implementation | Statement | A | Codeforces Beta Round 97 (Div. 2) {136} | PROGRAMMING | Codeforces Beta Round #97: editorial | 700 | |
| 7943 | Postcards and photos | implementation | Statement | A | Codeforces Beta Round 98 (Div. 2) {137} | PROGRAMMING | Codeforces Beta Round #98 (Div. 2): Editorial | 1000 | |
| 1402 | Last Chance | data structures implementation strings | Statement | E | Codeforces Beta Round 98 (Div. 2) {137} | PROGRAMMING | Codeforces Beta Round #98 (Div. 2): Editorial | 2000 | |
| 2607 | Literature Lesson | implementation | Statement | A | Codeforces Beta Round 99 (Div. 1) {138} | PROGRAMMING | Codeforces Beta Round #99: editorial | 1600 | |
| 38188 | Petr and Book | implementation | Statement | A | Codeforces Beta Round 99 (Div. 2) {139} | PROGRAMMING | Codeforces Beta Round #99: editorial | 1200 | |
| 1467 | Wallpaper | implementation math | Statement | B | Codeforces Beta Round 99 (Div. 2) {139} | PROGRAMMING | Codeforces Beta Round #99: editorial | 1600 | |
| 1760 | New Year Cards | brute force greedy implementation | Statement | B | Codeforces Round 100 {140} | PROGRAMMING | Codeforces Round #100: problem analysis | 1800 | |
| 103611 | Amusing Joke | implementation sortings strings | Statement | A | Codeforces Round 101 (Div. 2) {141} | PROGRAMMING | Codeforces Round #101 (Div. 2) Разбор Задач. | 900 | |
| 2417 | Help General | constructive algorithms greedy implementation | Statement | B | Codeforces Round 102 (Div. 1) {142} | PROGRAMMING | Codeforces Round #102 — Editorial | 1900 | |
| 5371 | Help Kingdom of Far Far Away 2 | implementation strings | Statement | B | Codeforces Round 102 (Div. 2) {143} | PROGRAMMING | Codeforces Round #102 - Editorial | 1200 | |
| 5729 | Meeting | implementation | Statement | B | Codeforces Round 103 (Div. 2) {144} | PROGRAMMING | Codeforces Round #103 (Div. 2) Разбор Задач. | 1300 | |
| 4277 | Anagram Search | implementation strings | Statement | C | Codeforces Round 103 (Div. 2) {144} | PROGRAMMING | Codeforces Round #103 (Div. 2) Разбор Задач. | 1500 | |
| 124398 | Arrival of the General | implementation | Statement | A | Codeforces Round 103 (Div. 2) {144} | PROGRAMMING | Codeforces Round #103 (Div. 2) Разбор Задач. | 900 | |
| 7987 | Lucky Conversion | greedy implementation | Statement | A | Codeforces Round 104 (Div. 1) {145} | PROGRAMMING | Codeforces Round #104 - Editorial | 1300 | |
| 295 | Lucky Pair | combinatorics data structures implementation | Statement | D | Codeforces Round 104 (Div. 1) {145} | PROGRAMMING | Codeforces Round #104 - Editorial | 2800 | |
| 17245 | Lucky Ticket | implementation | Statement | A | Codeforces Round 104 (Div. 2) {146} | PROGRAMMING | Codeforces Round #104 (Div. 2) | 1000 | |
| 5013 | Lucky Mask | brute force implementation | Statement | B | Codeforces Round 104 (Div. 2) {146} | PROGRAMMING | Codeforces Round #104 (Div. 2) | 1300 | |
| 4276 | Punctuation | implementation strings | Statement | A | Codeforces Testing Round 4 {147} | PROGRAMMING | 1300 |