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Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 5318 | Lorry | greedy sortings | Statement | B | Codeforces Beta Round 3 {3} | PROGRAMMING | Codeforces Beta Round #3 — Tutorial | 1900 | |
| 12363 | Mysterious Present | dp sortings | Statement | D | Codeforces Beta Round 4 (Div. 2 Only) {4} | PROGRAMMING | 1800 | ||
| 18703 | Longest Regular Bracket Sequence | constructive algorithms data structures dp greedy sortings strings | Statement | C | Codeforces Beta Round 5 {5} | PROGRAMMING | C, D и E с CBR5 - разбор | 1900 | |
| 7495 | 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 | ||
| 3016 | Ball | data structures sortings | Statement | D | Codeforces Beta Round 12 (Div 2 Only) {12} | PROGRAMMING | 2400 | ||
| 5608 | Sequence | dp sortings | Statement | C | Codeforces Beta Round 13 {13} | PROGRAMMING | Codeforces Beta Round #13 editorial | 2200 | |
| 4560 | 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 | |
| 21038 | Burglar and Matches | greedy implementation sortings | Statement | B | Codeforces Beta Round 16 (Div. 2 Only) {16} | PROGRAMMING | Codeforces Beta Round #16 Tutorial | 1300 | |
| 2592 | Stripe 2 | binary search dp sortings | Statement | C | Codeforces Alpha Round 21 (Codeforces format) {21} | PROGRAMMING | 2300 | ||
| 3477 | Segments | greedy sortings | Statement | D | Codeforces Beta Round 22 (Div. 2 Only) {22} | PROGRAMMING | Codeforces Beta Round #22 Tutorial | 1900 | |
| 1748 | Oranges and Apples | constructive algorithms sortings | Statement | C | Codeforces Beta Round 23 {23} | PROGRAMMING | Codeforces Beta Round #23 tutorial | 2500 | |
| 23335 | Next Test | implementation sortings | Statement | A | Codeforces Beta Round 27 (Codeforces format, Div. 2) {27} | PROGRAMMING | Solution of ABC @ Round#27 | 1900 | |
| 1600 | Knights | geometry graphs shortest paths sortings | Statement | D | Codeforces Beta Round 33 (Codeforces format) {33} | PROGRAMMING | Codeforces Beta Round #33. Analysis of problem A | 2000 | |
| 67501 | Sale | greedy sortings | Statement | B | Codeforces Beta Round 34 (Div. 2) {34} | PROGRAMMING | Codeforces Beta Round #34 (Div. 2) Разбор | 1000 | |
| 4849 | 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 | |
| 890 | Parade | data structures sortings | Statement | E | Codeforces Beta Round 35 (Div. 2) {35} | PROGRAMMING | 2300 | ||
| 28006 | Towers | sortings | Statement | A | Codeforces Beta Round 37 {37} | PROGRAMMING | Codeforces Beta Round #37 (Tutorial) | 1100 | |
| 3027 | Let's Go Rolling! | dp sortings | Statement | E | 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) | 1800 | |
| 714 | Moon Craters | dp sortings | Statement | C | School Team Contest 1 (Winter Computer School 2010/11) {39} | PROGRAMMING | School Team Contest #1 (Winter Computer School 2010/11): Tutorial | 2300 | |
| 1991 | Event Dates | greedy meet-in-the-middle sortings | Statement | D | School Team Contest 3 (Winter Computer School 2010/11) {45} | PROGRAMMING | 1900 | ||
| 465 | Cannon | data structures geometry sortings | Statement | E | Codeforces Beta Round 44 (Div. 2) {47} | PROGRAMMING | Codeforces Beta Round #44: tutorial | 2100 | |
| 196 | Snow sellers | greedy sortings | Statement | F | School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round 45 (ACM-ICPC Rules) {48} | PROGRAMMING | 2600 | ||
| 2666 | Physical Education | sortings | Statement | D | Codeforces Beta Round 49 (Div. 2) {53} | PROGRAMMING | Tutorial for problems of Codeforces Beta Round #49 (Div.2). All problems now. | 1500 | |
| 2891 | Domino Principle | binary search data structures sortings | Statement | E | Codeforces Beta Round 52 (Div. 2) {56} | PROGRAMMING | CodeForces Beta Round #52 :: Разбор задач | 2100 | |
| 350 | Inquisition | geometry implementation sortings | Statement | C | Codeforces Beta Round 58 {62} | PROGRAMMING | Codeforces Beta Round #58 tutorial | 2300 | |
| 13583 | Sinking Ship | implementation sortings strings | Statement | A | Codeforces Beta Round 59 (Div. 2) {63} | PROGRAMMING | Разбор задач Codeforces Round #59 (Div. 2) | 1100 | |
| 122 | Table Bowling | *special sortings | Statement | H | Unknown Language Round 1 {64} | PROGRAMMING | 2300 | ||
| 94 | Sort the Table | *special sortings | Statement | I | Unknown Language Round 1 {64} | PROGRAMMING | 2500 | ||
| 651 | Lucky Tickets | binary search data structures sortings two pointers | Statement | C | Codeforces Beta Round 64 {70} | PROGRAMMING | Analysis Codeforces Beta Round #64 | 2200 | |
| 568 | Need For Brake | binary search greedy sortings | Statement | B | Codeforces Beta Round 66 {73} | PROGRAMMING | Codeforces Beta Round #66 editorial: Problems D, E, F | 2000 | |
| 2505 | Gift | dsu graphs sortings trees | Statement | A | All-Ukrainian School Olympiad in Informatics {76} | PROGRAMMING | All-Ukrainian School Olympiad in Informatics: editorial (A,B,C,D,E,F) | 2300 | |
| 8039 | Colorful Field | implementation sortings | Statement | B | Codeforces Beta Round 71 {79} | PROGRAMMING | Codeforces Beta Round #71 - разбор (перевод A-D) | 1500 | |
| 1860 | Average Score | greedy math sortings | Statement | C | Yandex.Algorithm Open 2011: Qualification 1 {81} | PROGRAMMING | 1700 | ||
| 903 | General Mobilization | data structures dfs and similar sortings | Statement | C | Yandex.Algorithm 2011: Qualification 2 {82} | PROGRAMMING | 1889 | 1900 | |
| 1908 | Doctor | binary search math sortings | Statement | B | Codeforces Beta Round 72 (Div. 1 Only) {83} | PROGRAMMING | 1900 | ||
| 638 | Petya and Tree | binary search dfs and similar probabilities sortings trees | Statement | C | Yandex.Algorithm 2011: Round 1 {85} | PROGRAMMING | Yandex.Algorithm 2011 - Round 1. Problem C. Tutorial | 2200 | |
| 1134 | Guard Towers | binary search dsu geometry graphs sortings | Statement | E | Yandex.Algorithm 2011: Round 1 {85} | PROGRAMMING | Яндекс.Алгоритм 2011 - Раунд 1 (Разбор задачи Е "Сторожевые башни") | 2600 | |
| 1086 | 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 | |
| 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 | |
| 811 | Castle | dp greedy probabilities sortings trees | Statement | D | Codeforces Beta Round 79 (Div. 1 Only) {101} | PROGRAMMING | Codeforces Beta Round 79, editoral | 2300 | |
| 2607 | Time to Raid Cowavans | brute force data structures sortings | Statement | D | Codeforces Beta Round 80 (Div. 1 Only) {103} | PROGRAMMING | Tutorial | 2200 | |
| 408 | Item World | brute force implementation sortings | Statement | C | Codeforces Beta Round 81 {105} | PROGRAMMING | Tutorial | 2100 | |
| 2756 | Datatypes | math sortings | Statement | B | Codeforces Beta Round 83 (Div. 2 Only) {108} | PROGRAMMING | Editorial: Codeforces Beta Round #83 (Dima) | 1500 | |
| 914 | Lucky Sorting | constructive algorithms sortings | Statement | D | Codeforces Beta Round 84 (Div. 1 Only) {109} | PROGRAMMING | Tutorial | 2000 | |
| 2856 | Lawnmower | greedy sortings | Statement | B | Codeforces Beta Round 87 (Div. 1 Only) {115} | PROGRAMMING | Tutorial | 1600 | |
| 2894 | Fancy Number | brute force greedy sortings strings | Statement | C | Codeforces Beta Round 89 (Div. 2) {118} | PROGRAMMING | Editorial codeforces beta raund 89. | 1700 | |
| 1145 | Before Exam | constructive algorithms implementation sortings | Statement | B | Codeforces Beta Round 90 {119} | PROGRAMMING | Разбор задачи E Codeforces Beta Round #90 | 1700 | |
| 1031 | Minimum Sum | divide and conquer geometry sortings | Statement | J | School Regional Team Contest, Saratov, 2011 {120} | PROGRAMMING | Tutorial for school regional team contest of Saratov | 2000 | |
| 193 | Array sorting | *special sortings | Statement | I | Unknown Language Round 4 {130} | PROGRAMMING | Unknown Language Round #4: editorial | 2400 | |
| 2107 | Yet Another Task with Queens | sortings | Statement | E | Codeforces Beta Round 95 (Div. 2) {131} | PROGRAMMING | Разбор Codeforces Beta Round #95 (Div.2) | 1800 | |
| 8310 | Replacement | greedy implementation sortings | Statement | A | Codeforces Beta Round 97 (Div. 1) {135} | PROGRAMMING | Codeforces Beta Round #97: editorial | 1400 | |
| 7868 | History | sortings | Statement | C | Codeforces Beta Round 98 (Div. 2) {137} | PROGRAMMING | Codeforces Beta Round #98 (Div. 2): Editorial | 1500 | |
| 978 | Mushroom Gnomes - 2 | binary search data structures probabilities sortings | Statement | C | Codeforces Beta Round 99 (Div. 1) {138} | PROGRAMMING | Codeforces Beta Round #99: editorial | 2500 | |
| 2320 | New Year Contest | greedy sortings | Statement | D | Codeforces Round 100 {140} | PROGRAMMING | Codeforces Round #100: problem analysis | 1800 | |
| 423 | New Year Snowflake | geometry sortings | Statement | F | Codeforces Round 100 {140} | PROGRAMMING | Codeforces Round #100: problem analysis | 2600 | |
| 2751 | Queue | constructive algorithms greedy sortings | Statement | C | Codeforces Round 101 (Div. 2) {141} | PROGRAMMING | Codeforces Round #101 (Div. 2) Разбор Задач. | 1800 | |
| 103579 | Amusing Joke | implementation sortings strings | Statement | A | Codeforces Round 101 (Div. 2) {141} | PROGRAMMING | Codeforces Round #101 (Div. 2) Разбор Задач. | 900 | |
| 46798 | Business trip | greedy implementation sortings | Statement | A | Codeforces Round 106 (Div. 2) {149} | PROGRAMMING | Codeforces Round #106 (Div. 2) Tutorial | 1100 | |
| 5782 | Division into Teams | greedy math sortings | Statement | C | Codeforces Round 106 (Div. 2) {149} | PROGRAMMING | Codeforces Round #106 (Div. 2) Tutorial | 1500 | |
| 3436 | Double Profiles | graphs hashing sortings | Statement | C | Codeforces Round 109 (Div. 1) {154} | PROGRAMMING | Codeforces Round #109: editorial | 2300 | |
| 11001 | Combination | greedy sortings | Statement | B | Codeforces Round 109 (Div. 2) {155} | PROGRAMMING | Codeforces Round #109: editorial | 1200 | |
| 14273 | Trace | geometry sortings | Statement | B | Codeforces Round 110 (Div. 2) {157} | PROGRAMMING | Codeforces Round 110 — Разбор задач | 1100 | |
| 1545 | Phone Talks | *special dp sortings | Statement | E | VK Cup 2012 Qualification Round 1 {158} | PROGRAMMING | Simple solution to vk cup Qualification Round 1 and 2 | 2300 | |
| 4211 | Matchmaker | *special greedy sortings | Statement | B | VK Cup 2012 Qualification Round 2 {159} | PROGRAMMING | Simple solution to vk cup Qualification Round 1 and 2 | 1800 | |
| 1101 | Zebra Tower | *special data structures greedy sortings | Statement | E | VK Cup 2012 Qualification Round 2 {159} | PROGRAMMING | Simple solution to vk cup Qualification Round 1 and 2 | 2100 | |
| 147467 | Twins | greedy sortings | Statement | A | Codeforces Round 111 (Div. 2) {160} | PROGRAMMING | Codeforces Round #111 (Div. 2) Разбор Задач | 1000 | |
| 15747 | Unlucky Ticket | greedy sortings | Statement | B | Codeforces Round 111 (Div. 2) {160} | PROGRAMMING | Codeforces Round #111 (Div. 2) Разбор Задач | 1200 | |
| 3744 | Find Pair | implementation math sortings | Statement | C | Codeforces Round 111 (Div. 2) {160} | PROGRAMMING | Codeforces Round #111 (Div. 2) Разбор Задач | 1700 | |
| 705 | Buses and People | binary search data structures sortings | Statement | E | Codeforces Round 111 (Div. 2) {160} | PROGRAMMING | Codeforces Round #111 (Div. 2) Разбор Задач | 2400 | |
| 3449 | Edges in MST | dfs and similar dsu graphs sortings | Statement | D | Codeforces Round 111 (Div. 2) {160} | PROGRAMMING | Codeforces Round #111 (Div. 2) Разбор Задач | 2500 | |
| 2099 | Discounts | constructive algorithms greedy sortings | Statement | B | VK Cup 2012 Round 1 {161} | PROGRAMMING | VK Cup 2012 Round 1: editorial | 1700 | |
| 627 | Conveyor | sortings two pointers | Statement | C | VK Cup 2012 Round 2 {163} | PROGRAMMING | VK Cup 2012 Round 2 — Разбор | 2200 | |
| 21307 | Rank List | binary search implementation sortings | Statement | A | Codeforces Round 113 (Div. 2) {166} | PROGRAMMING | Codeforces Round #113 (Div. 2) Tutorial | 1200 | |
| 7595 | Median | greedy math sortings | Statement | C | Codeforces Round 113 (Div. 2) {166} | PROGRAMMING | Codeforces Round #113 (Div. 2) Tutorial | 1500 | |
| 3122 | Polygons | geometry sortings | Statement | B | Codeforces Round 113 (Div. 2) {166} | PROGRAMMING | Codeforces Round #113 (Div. 2) Tutorial | 2000 | |
| 410 | Shoe Store | dp graph matchings greedy sortings two pointers | Statement | D | Codeforces Round 113 (Div. 2) {166} | PROGRAMMING | Codeforces Round #113 (Div. 2) Tutorial | 2400 | |
| 8273 | Chores | sortings | Statement | A | VK Cup 2012 Round 2 (Unofficial Div. 2 Edition) {169} | PROGRAMMING | VK Cup 2012 Round 2 — Разбор | 900 | |
| 1259 | Bus | *special implementation sortings | Statement | C | Croc Champ 2012 - Qualification Round {172} | PROGRAMMING | 1900 | ||
| 740 | Camping Groups | data structures sortings | Statement | E | Croc Champ 2012 - Round 1 {173} | PROGRAMMING | Croc Champ 2012 — Round 1 — Editorial | 2600 | |
| 1531 | Geometry Horse | greedy implementation sortings two pointers | Statement | C | Codeforces Round 115 {175} | PROGRAMMING | Codeforces Round #115 — editorial A-E | 1600 | |
| 1855 | Trading Business | greedy sortings | Statement | A | Croc Champ 2012 - Round 2 {176} | PROGRAMMING | Croc Champ 2012 — Round 2 — Editorial | 1500 | |
| 391 | Representative Sampling | dp sortings strings | Statement | F2 | ABBYY Cup 2.0 - Hard {178} | PROGRAMMING | ABBYY Cup 2.0 — Hard: solutions | 2400 | |
| 6226 | Growing Mushrooms | greedy sortings | Statement | B | Codeforces Round 118 (Div. 2) {186} | PROGRAMMING | Editorial for Round #118 | 1200 | |
| 1784 | Counter Attack | data structures dsu graphs hashing sortings | Statement | E | Codeforces Round 120 (Div. 2) {190} | PROGRAMMING | Codeforces Round #120 (Div.2) — editorial | 2300 | |
| 1138 | Analyzing Polyline | geometry math sortings | Statement | D | Codeforces Round 123 (Div. 2) {195} | PROGRAMMING | Codeforces Round #123 (Div. 2) Разбор Задач | 1900 | |
| 1059 | Paint Tree | constructive algorithms divide and conquer geometry sortings trees | Statement | C | Codeforces Round 124 (Div. 1) {196} | PROGRAMMING | Разбор задач | 2400 | |
| 584 | Gripping Story | binary search data structures sortings | Statement | E | Codeforces Round 125 (Div. 1) {198} | PROGRAMMING | Solutions for Codeforces Round #125 | 2400 | |
| 6081 | Photographer | greedy sortings | Statement | C | Codeforces Round 128 (Div. 2) {203} | PROGRAMMING | 1400 | ||
| 329 | Transportation | greedy sortings two pointers | Statement | E | Codeforces Round 128 (Div. 2) {203} | PROGRAMMING | 2400 | ||
| 6504 | Little Elephant and Sorting | brute force greedy | Statement | B | Codeforces Round 129 (Div. 2) {205} | PROGRAMMING | Codeforces Round #129 — Editorial | 1400 | |
| 1505 | Spider's Web | binary search sortings two pointers | Statement | D | Codeforces Round 133 (Div. 2) {216} | PROGRAMMING | Editorial for Codeforces Round #133 | 1800 | |
| 13204 | Little Elephant and Problem | implementation sortings | Statement | A | Codeforces Round 136 (Div. 1) {220} | PROGRAMMING | Codeforces Round #136 — Editorial | 1400 | |
| 2353 | Olympiad | binary search greedy sortings two pointers | Statement | D | Codeforces Round 137 (Div. 2) {222} | PROGRAMMING | Разбор задач Codeforces Round #137 (Div. 2) | 1800 | |
| 3012 | Reducing Fractions | implementation math number theory sortings | Statement | C | Codeforces Round 137 (Div. 2) {222} | PROGRAMMING | Разбор задач Codeforces Round #137 (Div. 2) | 2000 | |
| 100497 | Dragons | greedy sortings | Statement | A | Codeforces Round 142 (Div. 2) {230} | PROGRAMMING | Codeforces Round #142 Problem Analysis | 1000 | |
| 9850 | To Add or Not to Add | binary search sortings two pointers | Statement | C | Codeforces Round 143 (Div. 2) {231} | PROGRAMMING | Tutorial Codeforces Round #143 | 1700 | |
| 7750 | Reading | sortings | Statement | B | Codeforces Round 145 (Div. 2, ACM-ICPC Rules) {234} | PROGRAMMING | 1000 | ||
| 2382 | Young Table | implementation sortings | Statement | B | Codeforces Round 147 (Div. 2) {237} | PROGRAMMING | Codeforces Round #147 (Div. 2) Разбор Задач | 1500 | |
| 17494 | Big Segment | implementation sortings | Statement | B | Codeforces Round 149 (Div. 2) {242} | PROGRAMMING | Codeforces Round #149 (Div. 2) Tutorial | 1100 | |
| 1347 | Hydra | graphs sortings | Statement | B | Codeforces Round 150 (Div. 1) {243} | PROGRAMMING | Editorial for Codeforces Round #150 | 2100 | |
| 10300 | Buggy Sorting | constructive algorithms greedy sortings | Statement | A | Codeforces Round 151 (Div. 2) {246} | PROGRAMMING | Codeforces Round #151 (Div. 2) Tutorial | 1000 | |
| 4707 | Blood Cousins Return | binary search data structures dfs and similar dp sortings | Statement | E | Codeforces Round 151 (Div. 2) {246} | PROGRAMMING | Codeforces Round #151 (Div. 2) Tutorial | 2300 | |
| 579 | Donkey and Stars | data structures dp geometry math sortings | Statement | D | Codeforces Round 152 (Div. 1) {249} | PROGRAMMING | Разбор задач Codeforces Round #152 | 2600 | |
| 1886 | Unsorting Array | brute force sortings | Statement | B | Codeforces Round 153 (Div. 2) {252} | PROGRAMMING | Editorial of Codeforces Round #153 | 1700 | |
| 12477 | Physics Practical | binary search dp sortings two pointers | Statement | B | Codeforces Round 154 (Div. 2) {253} | PROGRAMMING | Codeforces Round #154 (Div. 2) — tutorial | 1400 | |
| 609 | Printer | binary search data structures implementation sortings | Statement | E | Codeforces Round 154 (Div. 2) {253} | PROGRAMMING | Codeforces Round #154 (Div. 2) — tutorial | 2300 | |
| 7810 | Cards with Numbers | constructive algorithms sortings | Statement | A | Codeforces Round 155 (Div. 2) {254} | PROGRAMMING | Codeforces Round #155 (Div. 2) — tutorial | 1300 | |
| 6956 | Sockets | greedy implementation sortings | Statement | A | Codeforces Round 159 (Div. 2) {257} | PROGRAMMING | Codeforces Round #159 (Div. 2) Разбор Задач | 1200 | |
| 5638 | Maxim and Discounts | greedy sortings | Statement | A | Codeforces Round 160 (Div. 1) {261} | PROGRAMMING | Codeforces Round #160 tutorial | 1400 | |
| 9846 | Squares | greedy implementation sortings | Statement | B | Codeforces Round 161 (Div. 2) {263} | PROGRAMMING | Codeforces Round #161 Tutorial | 1000 | |
| 1170 | Playlist | math probabilities sortings | Statement | E | Codeforces Round 164 (Div. 2) {268} | PROGRAMMING | Codeforces Round #164 (Div. 2) — Problems Analysis | 2100 | |
| 524 | Maximum Waterfall | data structures dp graphs sortings | Statement | D | Codeforces Round 165 (Div. 1) {269} | PROGRAMMING | Разбор Codeforces Round #165 | 2500 | |
| 2850 | Dima and Two Sequences | combinatorics math sortings | Statement | D | Codeforces Round 167 (Div. 2) {272} | PROGRAMMING | Codeforces Round #167 tutorial | 1800 | |
| 10852 | k-Multiple Free Set | binary search greedy sortings | Statement | A | Codeforces Round 168 (Div. 1) {274} | PROGRAMMING | Codeforces Round #168 Editorial | 1600 | |
| 1172 | Lovely Matrix | dfs and similar graphs greedy sortings | Statement | D | Codeforces Round 168 (Div. 1) {274} | PROGRAMMING | Codeforces Round #168 Editorial | 2100 | |
| 41531 | Little Girl and Maximum Sum | data structures greedy implementation sortings | Statement | C | Codeforces Round 169 (Div. 2) {276} | PROGRAMMING | Codeforces Round #169 — Unofficial Editorial | 1600 | |
| 26548 | Building Permutation | greedy implementation sortings | Statement | C | Codeforces Round 175 (Div. 2) {285} | PROGRAMMING | Codeforces Round #175 (Div. 2) Tutorial | 1300 | |
| 481 | Tourists | data structures sortings | Statement | D | Codeforces Round 176 (Div. 1) {286} | PROGRAMMING | Tutorial | 2500 | |
| 19139 | 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 | |
| 6534 | Spyke Talks | *special implementation sortings | Statement | A | Croc Champ 2013 - Qualification Round {291} | PROGRAMMING | 1900 | ||
| 9540 | 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 | |
| 529 | Optimizer | data structures greedy sortings | Statement | B | Testing Round 6 {306} | PROGRAMMING | 2000 | ||
| 5983 | Ilya and Matrix | constructive algorithms greedy implementation sortings | Statement | C | Codeforces Round 186 (Div. 2) {313} | PROGRAMMING | Tutorial | 1400 | |
| 602 | Sereja and Straight Lines | binary search data structures geometry sortings two pointers | Statement | D | Codeforces Round 187 (Div. 1) {314} | PROGRAMMING | Codeforces Round #187 tutorial | 2400 | |
| 1560 | Oh Sweet Beaverette | data structures sortings | Statement | A2 | ABBYY Cup 3.0 - Finals (online version) {331} | PROGRAMMING | ABBYY Cup 3.0 — Finals. Solutions | 1600 | |
| 1045 | Students' Revenge | data structures greedy sortings | Statement | C | Codeforces Round 193 (Div. 2) {332} | PROGRAMMING | 8447 | 2200 | |
| 2265 | Characteristics of Rectangles | binary search bitmasks brute force implementation sortings | Statement | D | Codeforces Round 194 (Div. 1) {333} | PROGRAMMING | Codeforces Round 194 — Editoral | 2100 | |
| 1278 | Summer Earnings | binary search bitmasks brute force geometry sortings | Statement | E | Codeforces Round 194 (Div. 1) {333} | PROGRAMMING | Codeforces Round 194 — Editoral | 2400 | |
| 3890 | Eight Point Sets | sortings | Statement | B | Codeforces Round 194 (Div. 2) {334} | PROGRAMMING | Codeforces Round 194 — Editoral | 1500 | |
| 282515 | Helpful Maths | greedy implementation sortings strings | Statement | A | Codeforces Round 197 (Div. 2) {339} | PROGRAMMING | Codeforces Round #197 — Tutorial | 900 | |
| 9854 | Difference Row | constructive algorithms implementation sortings | Statement | A | Codeforces Round 201 (Div. 2) {347} | PROGRAMMING | Codeforces Round #201 Editorial | 1300 | |
| 14891 | Mafia | binary search math sortings | Statement | A | Codeforces Round 202 (Div. 1) {348} | PROGRAMMING | Editorial for Codeforces Round #202 | 1700 | |
| 6852 | Bombs | greedy implementation sortings | Statement | C | Codeforces Round 203 (Div. 2) {350} | PROGRAMMING | Editorial Codeforces Round #203 (Div. 2) | 1600 | |
| 312 | Looking for Owls | binary search data structures geometry hashing sortings | Statement | D | Codeforces Round 203 (Div. 2) {350} | PROGRAMMING | Editorial Codeforces Round #203 (Div. 2) | 2600 | |
| 18327 | Jeff and Periods | implementation sortings | Statement | B | Codeforces Round 204 (Div. 2) {352} | PROGRAMMING | 1300 | ||
| 2445 | Two Heaps | combinatorics constructive algorithms greedy implementation math sortings | Statement | B | Codeforces Round 205 (Div. 2) {353} | PROGRAMMING | 9145 | 1800 | |
| 14811 | Petya and Staircases | implementation sortings | Statement | B | Codeforces Round 212 (Div. 2) {362} | PROGRAMMING | Codeforces Round #212 (Div. 2). Tutorial. Part 1. | 1200 | |
| 1947 | Sereja and the Arrangement of Numbers | graphs greedy sortings | Statement | C | Codeforces Round 215 (Div. 1) {367} | PROGRAMMING | Codeforces Round #215 — tutorial | 2200 | |
| 1730 | Mittens | constructive algorithms greedy sortings | Statement | C | Codeforces Round 217 (Div. 2) {370} | PROGRAMMING | Codeforces Round #217 (Div. 2): tutorial | 1800 | |
| 15805 | Counting Kangaroos is Fun | binary search greedy sortings two pointers | Statement | A | Codeforces Round 219 (Div. 1) {372} | PROGRAMMING | 9944 | 1700 | |
| 5463 | Maximum Submatrix 2 | data structures dp implementation sortings | Statement | B | Codeforces Round 221 (Div. 1) {375} | PROGRAMMING | Codeforces Round #221 Tutorial | 1800 | |
| 2552 | Preparing for the Contest | binary search data structures greedy sortings | Statement | B | Codeforces Round 222 (Div. 1) {377} | PROGRAMMING | Codeforces Round #222 — Problem Analysis | 2100 | |
| 6236 | Semifinals | implementation sortings | Statement | B | Codeforces Round 222 (Div. 2) {378} | PROGRAMMING | Codeforces Round #222 — Problem Analysis | 1300 | |
| 7076 | New Year Ratings Change | greedy sortings | Statement | C | Good Bye 2013 {379} | PROGRAMMING | Tutorial Good Bye 2013 | 1500 | |
| 401 | New Year Tree Decorations | geometry schedules sortings | Statement | E | Good Bye 2013 {379} | PROGRAMMING | Tutorial Good Bye 2013 | 2500 | |
| 7396 | Sereja and Stairs | greedy implementation sortings | Statement | B | Codeforces Round 223 (Div. 2) {381} | PROGRAMMING | Codeforces Round #223 — Tutorial | 1100 | |
| 8778 | Arithmetic Progression | implementation sortings | Statement | C | Codeforces Round 224 (Div. 2) {382} | PROGRAMMING | Codeforces Round #224 (Div. 2) Editorial | 1700 | |
| 810 | Volcanoes | binary search implementation sortings two pointers | Statement | B | Codeforces Round 225 (Div. 1) {383} | PROGRAMMING | Tutorial | 2200 | |
| 3823 | Multitasking | greedy implementation sortings two pointers | Statement | B | Codeforces Round 225 (Div. 2) {384} | PROGRAMMING | Codeforces Round #225 — Editorial | 1500 | |
| 11984 | Fox and Box Accumulation | greedy sortings | Statement | A | Codeforces Round 228 (Div. 1) {388} | PROGRAMMING | Codeforces Round #228 — Editorial | 1400 | |
| 3866 | Fox and Card Game | games greedy sortings | Statement | C | Codeforces Round 228 (Div. 1) {388} | PROGRAMMING | Codeforces Round #228 — Editorial | 2000 | |
| 5848 | Restore Graph | dfs and similar graphs sortings | Statement | C | Codeforces Round 237 (Div. 2) {404} | PROGRAMMING | Codeforces Round #237 (Div. 2) Editorial | 1800 | |
| 129320 | Gravity Flip | greedy implementation sortings | Statement | A | Codeforces Round 238 (Div. 2) {405} | PROGRAMMING | Codeforces Round #238 Tutorial | 1000 | |
| 6437 | Network Configuration | greedy sortings | Statement | B | Coder-Strike 2014 - Round 1 {412} | PROGRAMMING | Editorial of Coder-Strike 2014 Round 1 | 1000 | |
| 2962 | Cunning Gena | bitmasks dp greedy sortings | Statement | D | RCC 2014 Warmup (Div. 2) {417} | PROGRAMMING | 2000 | ||
| 699 | Bug in Code | binary search data structures sortings | Statement | D | Coder-Strike 2014 - Finals (online edition, Div. 2) {421} | PROGRAMMING | Editorial Coder-Strike 2014 Finals | 2100 | |
| 8506 | Megacity | binary search greedy implementation sortings | Statement | B | Codeforces Round 242 (Div. 2) {424} | PROGRAMMING | Codeforces Round #242 (Div. 2) Editorial | 1200 | |
| 4188 | Sereja and Swaps | brute force sortings | Statement | A | Codeforces Round 243 (Div. 1) {425} | PROGRAMMING | Codeforces Round #243 tutorial | 1600 | |
| 2418 | Points and Segments (easy) | constructive algorithms sortings | Statement | A | Codeforces Round 245 (Div. 2) {430} | PROGRAMMING | Codeforces Round #245 — Editorial | 1600 | |
| 2690 | Prime Swaps | greedy sortings | Statement | C | Codeforces Round 246 (Div. 2) {432} | PROGRAMMING | Codeforces Round #246 (Div. 2) Editorial | 1800 | |
| 70504 | Choosing Teams | greedy implementation sortings | Statement | A | Codeforces Round 246 (Div. 2) {432} | PROGRAMMING | Codeforces Round #246 (Div. 2) Editorial | 900 | |
| 55820 | Kuriyama Mirai's Stones | dp implementation sortings | Statement | B | Codeforces Round 248 (Div. 2) {433} | PROGRAMMING | Codeforces Round #248 Editorial | 1200 | |
| 2629 | Ryouko's Memory Note | implementation math sortings | Statement | C | Codeforces Round 248 (Div. 2) {433} | PROGRAMMING | Codeforces Round #248 Editorial | 1900 | |
| 438 | Furukawa Nagisa's Tree | binary search divide and conquer sortings trees | Statement | E | Codeforces Round 248 (Div. 1) {434} | PROGRAMMING | Codeforces Round #248 Editorial | 3000 | |
| 10530 | The Child and Set | bitmasks greedy implementation sortings | Statement | B | Codeforces Round 250 (Div. 2) {437} | PROGRAMMING | 12513 | 1500 | |
| 15082 | The Child and Toy | graphs greedy sortings | Statement | C | Codeforces Round 250 (Div. 2) {437} | PROGRAMMING | 12513 | 1600 | |
| 3696 | The Child and Zoo | dsu sortings | Statement | D | Codeforces Round 250 (Div. 2) {437} | PROGRAMMING | 12513 | 2100 | |
| 15075 | Devu, the Dumb Guy | implementation sortings | Statement | B | Codeforces Round 251 (Div. 2) {439} | PROGRAMMING | Codeforces Round #251 Editorial | 1200 | |
| 6940 | Devu and his Brother | binary search sortings ternary search two pointers | Statement | D | Codeforces Round 251 (Div. 2) {439} | PROGRAMMING | Codeforces Round #251 Editorial | 1900 | |
| 53885 | Sort the Array | implementation sortings | Statement | B | Codeforces Round 258 (Div. 2) {451} | PROGRAMMING | Codeforces Round #258 Editorial | 1300 | |
| 58076 | Laptops | sortings | Statement | A | Codeforces Round 260 (Div. 2) {456} | PROGRAMMING | Разбор задач | 1200 | |
| 48415 | Pashmak and Flowers | combinatorics implementation sortings | Statement | B | Codeforces Round 261 (Div. 2) {459} | PROGRAMMING | Codeforces Round #261 Editorial | 1300 | |
| 13213 | Pashmak and Parmida's problem | data structures divide and conquer sortings | Statement | D | Codeforces Round 261 (Div. 2) {459} | PROGRAMMING | Codeforces Round #261 Editorial | 1800 | |
| 6020 | Pashmak and Graph | dp sortings | Statement | E | Codeforces Round 261 (Div. 2) {459} | PROGRAMMING | Codeforces Round #261 Editorial | 2100 | |
| 404 | Roland and Rose | brute force geometry math sortings | Statement | E | Codeforces Round 262 (Div. 2) {460} | PROGRAMMING | 13465 | 2700 | |
| 16504 | Appleman and Toastman | greedy sortings | Statement | A | Codeforces Round 263 (Div. 1) {461} | PROGRAMMING | Tutorial | 1200 | |
| 6231 | MUH and Important Things | implementation sortings | Statement | B | Codeforces Round 269 (Div. 2) {471} | PROGRAMMING | Codeforces Round #269 Editorial | 1400 | |
| 4366 | Pillars | binary search data structures dp sortings trees | Statement | E | Codeforces Round 271 (Div. 2) {474} | PROGRAMMING | Codeforces Round #271 (Div. 2) Editorial | 2200 | |
| 256 | Wavy numbers | brute force dfs and similar meet-in-the-middle sortings | Statement | E | Codeforces Round 273 (Div. 2) {478} | PROGRAMMING | Editorial | 2700 | |
| 8489 | Towers | brute force constructive algorithms greedy implementation sortings | Statement | B | Codeforces Round 274 (Div. 2) {479} | PROGRAMMING | Codeforces Round #274: editorial | 1400 | |
| 33504 | Exams | greedy sortings | Statement | C | Codeforces Round 274 (Div. 2) {479} | PROGRAMMING | Codeforces Round #274: editorial | 1500 | |
| 7809 | Maximum Value | binary search math sortings two pointers | Statement | B | Codeforces Round 276 (Div. 1) {484} | PROGRAMMING | Codeforces Round #276 — Editorial | 2100 | |
| 58117 | BerSU Ball | dfs and similar dp graph matchings greedy sortings two pointers | Statement | B | Codeforces Round 277.5 (Div. 2) {489} | PROGRAMMING | Codeforces Round #277.5 (Div. 2) Editorial [A-D for now] | 1300 | |
| 10648 | SwapSort | greedy implementation sortings | Statement | A | Codeforces Round 277.5 (Div. 2) {489} | PROGRAMMING | Codeforces Round #277.5 (Div. 2) Editorial [A-D for now] | 1300 | |
| 72761 | Team Olympiad | greedy implementation sortings | Statement | A | Codeforces Round 279 (Div. 2) {490} | PROGRAMMING | Codeforces Round #279 (Div. 2) Editorial | 900 | |
| 92220 | Vanya and Lanterns | binary search implementation math sortings | Statement | B | Codeforces Round 280 (Div. 2) {492} | PROGRAMMING | Разбор задач | 1200 | |
| 15552 | Vanya and Exams | greedy sortings | Statement | C | Codeforces Round 280 (Div. 2) {492} | PROGRAMMING | Разбор задач | 1400 | |
| 3335 | Vanya and Computer Game | binary search implementation math sortings | Statement | D | Codeforces Round 280 (Div. 2) {492} | PROGRAMMING | Разбор задач | 1800 | |
| 7553 | Vasya and Basketball | binary search brute force data structures implementation sortings two pointers | Statement | C | Codeforces Round 281 (Div. 2) {493} | PROGRAMMING | Codeforces Round #281 (Div. 2) Editorial | 1700 | |
| 1786 | Distributing Parts | greedy sortings | Statement | E | Codeforces Round 283 (Div. 2) {496} | PROGRAMMING | Codeforces Round #283: editorial (with bonuses!) | 2600 | |
| 9688 | New Year Permutation | dfs and similar dsu graphs greedy math sortings | Statement | B | Good Bye 2014 {500} | PROGRAMMING | Tutorial 2 | 1600 | |
| 6089 | Misha and Forest | constructive algorithms data structures greedy sortings trees | Statement | C | Codeforces Round 285 (Div. 2) {501} | PROGRAMMING | Tutorial | 1700 | |
| 22163 | Amr and Music | greedy implementation sortings | Statement | A | Codeforces Round 287 (Div. 2) {507} | PROGRAMMING | Editorial | 1100 | |
| 22994 | Fox And Names | dfs and similar graphs sortings | Statement | C | Codeforces Round 290 (Div. 2) {510} | PROGRAMMING | Codeforces Round #290 Editorial | 1800 | |
| 28986 | Drazil and Factorial | greedy math sortings | Statement | C | Codeforces Round 292 (Div. 2) {515} | PROGRAMMING | Codeforces Round #292 Editorial | 1400 | |
| 44207 | A and B and Compilation Errors | data structures implementation sortings | Statement | B | Codeforces Round 294 (Div. 2) {519} | PROGRAMMING | 1200 | ||
| 2200 | The Art of Dealing with ATM | binary search sortings | Statement | C | VK Cup 2015 - Round 1 {524} | PROGRAMMING | 1800 | ||
| 1351 | Rooks and Rectangles | data structures sortings | Statement | E | VK Cup 2015 - Round 1 {524} | PROGRAMMING | 2400 | ||
| 6098 | Ilya and Sticks | greedy math sortings | Statement | C | Codeforces Round 297 (Div. 2) {525} | PROGRAMMING | Codeforces Round #297 (Div.2) Editorial | 1600 | |
| 5103 | Clique Problem | data structures dp greedy implementation sortings | Statement | D | Codeforces Round 296 (Div. 2) {527} | PROGRAMMING | Codeforces Round #296 Editorial | 2100 | |
| 227 | Triangles 3000 | geometry sortings | Statement | E | Codeforces Round 296 (Div. 1) {528} | PROGRAMMING | Codeforces Round #296 Editorial | 3000 | |
| 1000 | Group Photo 2 (online mirror version) | brute force greedy sortings | Statement | B | VK Cup 2015 - Round 1 (unofficial online mirror, Div. 1 only) {529} | PROGRAMMING | VK Cup Round 1 (+ online mirror) editorial | 1900 | |
| 1879 | A Heap of Heaps | brute force data structures math sortings | Statement | F | Codeforces Round 300 {538} | PROGRAMMING | Codeforces Round #300 Editorial (+challenges) | 2200 | |
| 618 | Berserk Robot | constructive algorithms math sortings | Statement | G | Codeforces Round 300 {538} | PROGRAMMING | Codeforces Round #300 Editorial (+challenges) | 3100 | |
| 2578 | Infinite Inversions | binary search data structures implementation sortings trees | Statement | E | Codeforces Round 301 (Div. 2) {540} | PROGRAMMING | Tutorial | 2400 | |
| 639 | Place Your Ad Here | data structures sortings | Statement | A | VK Cup 2015 - Round 3 (unofficial online mirror, Div. 1 only) {542} | PROGRAMMING | 17697 | 2500 | |
| 30075 | Queue | greedy implementation sortings | Statement | D | Codeforces Round 303 (Div. 2) {545} | PROGRAMMING | Codeforces Round #303 (Div.2) editorial | 1400 | |
| 18770 | Soldier and Badges | brute force greedy implementation sortings | Statement | B | Codeforces Round 304 (Div. 2) {546} | PROGRAMMING | Codeforces Round #304 (Div.2) editorial | 1300 | |
| 2683 | Happy Line | constructive algorithms greedy sortings | Statement | G | Looksery Cup 2015 {549} | PROGRAMMING | Looksery Cup 2015 Editorial | 2200 | |
| 17936 | GukiZ and Contest | brute force implementation sortings | Statement | A | Codeforces Round 307 (Div. 2) {551} | PROGRAMMING | Tutorial | 1000 | |
| 4876 | Vanya and Triangles | brute force combinatorics data structures geometry math sortings | Statement | D | Codeforces Round 308 (Div. 2) {552} | PROGRAMMING | Codeforces #308 (Div. 2) Editorial | 1900 | |
| 4124 | Case of Fugitive | data structures greedy sortings | Statement | B | Codeforces Round 310 (Div. 1) {555} | PROGRAMMING | Codeforces Round #310 Editorial | 2100 | |
| 7515 | Pasha and Tea | constructive algorithms implementation math sortings | Statement | B | Codeforces Round 311 (Div. 2) {557} | PROGRAMMING | Codeforces Round #311 (Div.2) Editorial | 1500 | |
| 4231 | Arthur and Table | brute force data structures dp greedy math sortings | Statement | C | Codeforces Round 311 (Div. 2) {557} | PROGRAMMING | Codeforces Round #311 (Div.2) Editorial | 1900 | |
| 11060 | Lala Land and Apple Trees | brute force implementation sortings | Statement | A | Codeforces Round 312 (Div. 2) {558} | PROGRAMMING | Codeforces Round #312 (Div. 2) Editorial | 1200 | |
| 1225 | Guess Your Way Out! II | data structures implementation sortings | Statement | D | Codeforces Round 312 (Div. 2) {558} | PROGRAMMING | Codeforces Round #312 (Div. 2) Editorial | 2500 | |
| 7642 | A Simple Task | data structures sortings strings | Statement | E | Codeforces Round 312 (Div. 2) {558} | PROGRAMMING | Codeforces Round #312 (Div. 2) Editorial | 2600 | |
| 11776 | Equivalent Strings | divide and conquer hashing sortings strings | Statement | B | Codeforces Round 313 (Div. 1) {559} | PROGRAMMING | Codeforces Round 313 — Extended editoral | 1800 | |
| 1209 | Gerald and Path | dp sortings | Statement | E | Codeforces Round 313 (Div. 1) {559} | PROGRAMMING | Codeforces Round 313 — Extended editoral | 2900 | |
| 20037 | Currency System in Geraldion | implementation sortings | Statement | A | Codeforces Round 313 (Div. 2) {560} | PROGRAMMING | Codeforces Round 313 — Extended editoral | 1100 | |
| 5304 | One-Dimensional Battle Ships | binary search data structures greedy sortings | Statement | D | Codeforces Round #Pi (Div. 2) {567} | PROGRAMMING | Editorial Codeforces Round #Pi | 1800 | |
| 2853 | Minimization | dp greedy sortings | Statement | B | Codeforces Round 317 [AimFund Thanks-Round] (Div. 1) {571} | PROGRAMMING | Codeforces Round #317 [AimFund Thanks-Round] Editorial | 2300 | |
| 18590 | Arrays | sortings | Statement | A | Codeforces Round 317 [AimFund Thanks-Round] (Div. 2) {572} | PROGRAMMING | Codeforces Round #317 [AimFund Thanks-Round] Editorial | 1000 | |
| 9081 | Order Book | data structures greedy implementation sortings | Statement | B | Codeforces Round 317 [AimFund Thanks-Round] (Div. 2) {572} | PROGRAMMING | Codeforces Round #317 [AimFund Thanks-Round] Editorial | 1400 | |
| 4298 | Points on Plane | constructive algorithms divide and conquer geometry greedy sortings | Statement | C | Codeforces Round 319 (Div. 1) {576} | PROGRAMMING | Editorial Codeforces Round #319 | 2300 | |
| 5481 | Finding Team Member | brute force implementation sortings | Statement | B | Codeforces Round 320 (Div. 2) [Bayan Thanks-Round] {579} | PROGRAMMING | Codeforces Round #320 [Bayan Thanks-Round] Editorial | 1400 | |
| 32811 | Kefa and Company | binary search sortings two pointers | Statement | B | Codeforces Round 321 (Div. 2) {580} | PROGRAMMING | Codeforces Round #321 Editorial | 1500 | |
| 7617 | Developing Skills | implementation math sortings | Statement | C | Codeforces Round 322 (Div. 2) {581} | PROGRAMMING | Codeforces Round #322 (Div.2) Editorial | 1400 | |
| 4214 | Anton and Lines | geometry sortings | Statement | B | Codeforces Round 329 (Div. 2) {593} | PROGRAMMING | 1600 | ||
| 2337 | Wilbur and Points | combinatorics greedy sortings | Statement | C | Codeforces Round 331 (Div. 2) {596} | PROGRAMMING | Codeforces Round #331 Editorial | 1700 | |
| 765 | Wilbur and Trees | dp math probabilities sortings | Statement | D | Codeforces Round 331 (Div. 2) {596} | PROGRAMMING | Codeforces Round #331 Editorial | 2500 | |
| 5760 | Restaurant | dp greedy sortings | Statement | B | Testing Round 12 {597} | PROGRAMMING | 1600 | ||
| 5527 | Nearest vectors | geometry sortings | Statement | C | Educational Codeforces Round 1 {598} | PROGRAMMING | Editorial | 2200 | |
| 5146 | Day at the Beach | sortings | Statement | C | Codeforces Round 332 (Div. 2) {599} | PROGRAMMING | Editorial Codeforces Round #332 (Div. 2) | 1600 | |
| 40495 | Queries about less or equal elements | binary search data structures sortings two pointers | Statement | B | Educational Codeforces Round 2 {600} | PROGRAMMING | Editorial | 1300 | |
| 19618 | Флеш-карты | greedy implementation sortings | Statement | A | Educational Codeforces Round 3 {609} | PROGRAMMING | Editorial | 800 | |
| 927 | New Year and Three Musketeers | data structures greedy sortings | Statement | E | Good Bye 2015 {611} | PROGRAMMING | Tutorial | 2300 | |
| 4431 | The Union of k-Segments | greedy sortings | Statement | D | Educational Codeforces Round 4 {612} | PROGRAMMING | 22299 | 1900 | |
| 2487 | Skills | binary search brute force dp greedy sortings two pointers | Statement | B | Codeforces Round 339 (Div. 1) {613} | PROGRAMMING | Tutorial | 2200 | |
| 4216 | Kingdom and its Cities | dfs and similar divide and conquer dp graphs sortings trees | Statement | D | Codeforces Round 339 (Div. 1) {613} | PROGRAMMING | Tutorial | 2800 | |
| 2510 | Ants in Leaves | dfs and similar greedy sortings trees | Statement | E | Educational Codeforces Round 7 {622} | PROGRAMMING | Editorial of Educational Codeforces Round 7 | 2300 | |
| 8455 | Making a String | greedy sortings | Statement | B | AIM Tech Round (Div. 2) {624} | PROGRAMMING | AIM Tech Round Tutorial | 1200 | |
| 4472 | Report | data structures sortings | Statement | C | Codeforces Round 344 (Div. 2) {631} | PROGRAMMING | Editorial Codeforces Round #344 (Div. 2) | 1700 | |
| 10836 | The Smallest String Concatenation | sortings strings | Statement | C | Educational Codeforces Round 9 {632} | PROGRAMMING | 43493 | 1800 | |
| 3427 | Spy Syndrome 2 | data structures dp hashing implementation sortings string suffix structures strings | Statement | C | Manthan, Codefest 16 {633} | PROGRAMMING | Manthan, Codefest 16: Editorials | 1900 | |
| 24229 | Chat Order | *special binary search constructive algorithms data structures sortings | Statement | B | VK Cup 2016 - Qualification Round 1 {637} | PROGRAMMING | 1500 | ||
| 1089 | Bear and Contribution | data structures greedy sortings | Statement | D | VK Cup 2016 - Round 1 {639} | PROGRAMMING | Tutorial | 2500 | |
| 639 | Bear and Paradox | greedy math sortings | Statement | E | VK Cup 2016 - Round 1 {639} | PROGRAMMING | Tutorial | 2800 |