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439 Forward, march! binary search dp greedy Statement E Codeforces Beta Round 11 {11} PROGRAMMING 2800
916 Tricky and Clever Password binary search constructive algorithms data structures greedy hashing strings Statement E Codeforces Beta Round 30 (Codeforces format) {30} PROGRAMMING Codeforces Beta Round #30. Tutorial for problem A 2700
2774 Three Base Stations binary search greedy Statement C Codeforces Beta Round 48 {51} PROGRAMMING Разбор задачек R#48 1800
547 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
1096 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
4743 New Year Snowmen binary search data structures greedy Statement C Codeforces Round 100 {140} PROGRAMMING Codeforces Round #100: problem analysis 1800
5463 Dress'em in Vests! binary search brute force greedy two pointers Statement A VK Cup 2012 Round 1 {161} PROGRAMMING VK Cup 2012 Round 1: editorial 1300
19686 LLPS binary search bitmasks brute force greedy implementation strings Statement A Codeforces Round 127 (Div. 2) {202} PROGRAMMING 900
2338 Olympiad binary search greedy sortings two pointers Statement D Codeforces Round 137 (Div. 2) {222} PROGRAMMING Разбор задач Codeforces Round #137 (Div. 2) 1800
3391 Well-known Numbers binary search greedy number theory Statement B Codeforces Round 139 (Div. 2) {225} PROGRAMMING 1600
2824 Cycles binary search constructive algorithms graphs greedy Statement A Codeforces Round 144 (Div. 1) {232} PROGRAMMING Editorial for Codeforces Round #144 1800
528 Sweets for Everyone! binary search greedy implementation Statement D Codeforces Round 152 (Div. 2) {248} PROGRAMMING Разбор задач Codeforces Round #152 2400
10793 k-Multiple Free Set binary search greedy sortings Statement A Codeforces Round 168 (Div. 1) {274} PROGRAMMING Codeforces Round #168 Editorial 1600
1492 Memory for Arrays binary search bitmasks greedy Statement C Croc Champ 2013 - Finals (online version, Div. 1) {309} PROGRAMMING Чемпионат КРОК 2013 — Финальный раунд — Разбор 1900
299 Sheep binary search greedy Statement E Croc Champ 2013 - Finals (online version, Div. 1) {309} PROGRAMMING Чемпионат КРОК 2013 — Финальный раунд — Разбор 2900
2842 Banana binary search constructive algorithms greedy Statement A MemSQL start[c]up Round 2 - online version {335} PROGRAMMING MemSQL start[c]up Round 2 -- Editorial 1500
5222 Quiz binary search greedy math matrices number theory Statement C Codeforces Round 196 (Div. 2) {337} PROGRAMMING Codeforces Round #196 — Problems Analysis 1700
3205 Read Time binary search greedy two pointers Statement C Codeforces Round 200 (Div. 1) {343} PROGRAMMING Codeforces Round #200 Tutorial 2100
4314 Renting Bikes binary search greedy Statement D Codeforces Round 211 (Div. 2) {363} PROGRAMMING 9537 1800
15371 Counting Kangaroos is Fun binary search greedy sortings two pointers Statement A Codeforces Round 219 (Div. 1) {372} PROGRAMMING 9944 1700
2446 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
637 Maze 1D binary search greedy implementation Statement E Codeforces Round 237 (Div. 2) {404} PROGRAMMING Codeforces Round #237 (Div. 2) Editorial 2700
747 Mashmokh and Water Tanks binary search data structures greedy trees two pointers Statement D Codeforces Round 240 (Div. 1) {414} PROGRAMMING Codeforces Round #240 Editorial 2300
6683 Mashmokh and Tokens binary search greedy implementation math Statement B Codeforces Round 240 (Div. 2) {415} PROGRAMMING Codeforces Round #240 Editorial 1500
8690 Booking System binary search dp greedy implementation Statement C Codeforces Round 241 (Div. 2) {416} PROGRAMMING Codeforces Round #241 — editorial 1600
8455 Megacity binary search greedy implementation sortings Statement B Codeforces Round 242 (Div. 2) {424} PROGRAMMING Codeforces Round #242 (Div. 2) Editorial 1200
6749 Present binary search data structures greedy Statement C Codeforces Round 262 (Div. 2) {460} PROGRAMMING 13465 1900
3732 MUH and House of Cards binary search brute force greedy math Statement C Codeforces Round 269 (Div. 2) {471} PROGRAMMING Codeforces Round #269 Editorial 1700
5002 Long Jumps binary search greedy implementation Statement D Codeforces Round 274 (Div. 2) {479} PROGRAMMING Codeforces Round #274: editorial 1800
1698 Restoring Increasing Sequence binary search brute force greedy implementation Statement E Codeforces Round 279 (Div. 2) {490} PROGRAMMING Codeforces Round #279 (Div. 2) Editorial 2100
1559 Mr. Kitayuta vs. Bamboos binary search greedy Statement E Codeforces Round 286 (Div. 2) {505} PROGRAMMING Tutorial 2800
485 Berland Miners binary search data structures dfs and similar greedy trees Statement A VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only) {533} PROGRAMMING 3000
2572 Handshakes binary search constructive algorithms data structures greedy Statement D Codeforces Round 298 (Div. 2) {534} PROGRAMMING 2000
3983 Tavas and Karafs binary search greedy math Statement C Codeforces Round 299 (Div. 2) {535} PROGRAMMING Codeforces Round #299 Editorial 1900
6126 Tourist's Notes binary search brute force greedy implementation math Statement C Codeforces Round 300 {538} PROGRAMMING Codeforces Round #300 Editorial (+challenges) 1600
3979 GukiZ hates Boxes binary search greedy Statement C Codeforces Round 307 (Div. 2) {551} PROGRAMMING Tutorial 2200
2263 Kyoya and Permutation binary search combinatorics constructive algorithms greedy implementation math Statement B Codeforces Round 309 (Div. 1) {553} PROGRAMMING Codeforces Round #309 Editorial 2200
1081 Nudist Beach binary search graphs greedy Statement D Codeforces Round 309 (Div. 1) {553} PROGRAMMING Codeforces Round #309 Editorial 2300
5234 One-Dimensional Battle Ships binary search data structures greedy sortings Statement D Codeforces Round #Pi (Div. 2) {567} PROGRAMMING Editorial Codeforces Round #Pi 1800
8977 More Cowbell binary search greedy Statement B Codeforces Round 334 (Div. 2) {604} PROGRAMMING 21885 1400
3154 Gadgets for dollars and pounds binary search greedy two pointers Statement D Educational Codeforces Round 3 {609} PROGRAMMING 2000
2472 Skills binary search brute force dp greedy sortings two pointers Statement B Codeforces Round 339 (Div. 1) {613} PROGRAMMING Tutorial 2200
979 Preorder Test binary search dfs and similar dp graphs greedy trees Statement D 8VC Venture Cup 2016 - Final Round {627} PROGRAMMING 8VC Venture Cup 2016 — Final Round Editorial 2600
156 Автобус binary search data structures greedy sortings Statement E Технокубок 2016 - Отборочный Раунд 2 {649} PROGRAMMING 2500.0 2100
3255 Robin Hood binary search greedy Statement B Codeforces Round 352 (Div. 1) {671} PROGRAMMING Codeforces Round #352 Editorial 2000
2223 Bear and Tower of Cubes binary search dp greedy Statement B Codeforces Round 356 (Div. 1) {679} PROGRAMMING Codeforces Round #356 — Editorial 2300
6161 Mike and Chocolate Thieves binary search combinatorics math Statement C Codeforces Round 361 (Div. 2) {689} PROGRAMMING 45912 1700
3344 Generating Sets binary search data structures dfs and similar greedy strings trees Statement D Intel Code Challenge Elimination Round (Div. 1 + Div. 2, combined) {722} PROGRAMMING Tutorial 1900
954 Polycarp's problems binary search dp greedy Statement F Technocup 2017 - Elimination Round 1 (Unofficially Open for Everyone, Rated for Div. 2) {727} PROGRAMMING Tutorial 2300
4174 Road to Cinema binary search greedy sortings Statement C Technocup 2017 - Elimination Round 2 {729} PROGRAMMING 1700
10157 Sanatorium binary search constructive algorithms greedy implementation math Statement C Codeforces Round 377 (Div. 2) {732} PROGRAMMING Codeforces Round #377 (Div. 2) Editorial 1300
5909 Exams binary search greedy sortings Statement D Codeforces Round 377 (Div. 2) {732} PROGRAMMING Codeforces Round #377 (Div. 2) Editorial 1700
5681 Anton and Making Potions binary search dp greedy two pointers Statement C Codeforces Round 379 (Div. 2) {734} PROGRAMMING Tutorial of Codeforces Round #379 (Div. 2) 1600
1596 Santa Claus and Tangerines binary search data structures greedy two pointers Statement E Technocup 2017 - Elimination Round 3 {748} PROGRAMMING Codeforces Round 389 (Div.2) Editorial 2000
6984 New Year and Rating binary search greedy math Statement C Good Bye 2016 {750} PROGRAMMING Good Bye 2016 — hints and codes 1600
2685 Fedor and coupons binary search data structures greedy sortings Statement D Codeforces Round 390 (Div. 2) {754} PROGRAMMING 2000
12865 PolandBall and Game binary search data structures games greedy sortings strings Statement B 8VC Venture Cup 2017 - Elimination Round {755} PROGRAMMING 8VC Venture Cup 2017 — Elimination Round [Editorial] 1200
7758 Frodo and pillows binary search greedy Statement B Codeforces Round 393 (Div. 2) (8VC Venture Cup 2017 - Final Round Div. 2 Edition) {760} PROGRAMMING 8VC Venture Cup 2017 — Final Round and Codeforces Round #393 Editorial 1500
4196 Dasha and Very Difficult Problem binary search brute force constructive algorithms greedy sortings Statement D Codeforces Round 394 (Div. 2) {761} PROGRAMMING Codeforces Round #394 (Div. 2) [Editorial] 1700
2411 Cartons of milk binary search data structures greedy sortings two pointers Statement D Codeforces Round 398 (Div. 2) {767} PROGRAMMING Codeforces Round #398 (Div. 2) Editorial 2000
994 Prairie Partition binary search constructive algorithms greedy math Statement C VK Cup 2017 - Round 3 {773} PROGRAMMING VK Cup 2017 Round 3 + Codeforces Round #412 -- Tutorial 2300
6815 Alyona and Spreadsheet binary search data structures dp greedy implementation two pointers Statement C Codeforces Round 401 (Div. 2) {777} PROGRAMMING Problem analysis of Codeforces Round #401 (Div. 2) 1600
5249 Cloud of Hashtags binary search greedy implementation strings Statement D Codeforces Round 401 (Div. 2) {777} PROGRAMMING Problem analysis of Codeforces Round #401 (Div. 2) 1800
12787 String Game binary search greedy strings Statement A Codeforces Round 402 (Div. 1) {778} PROGRAMMING Codeforces Round #402, Editorial 1600
4027 Magazine Ad binary search greedy Statement D Educational Codeforces Round 20 {803} PROGRAMMING 51768 1900
2176 Selling Souvenirs binary search dp greedy ternary search Statement E Educational Codeforces Round 21 {808} PROGRAMMING 52010 2300
4930 Hacker, pack your bags! binary search greedy implementation sortings Statement C Codeforces Round 422 (Div. 2) {822} PROGRAMMING Codeforces Round #422 (Div. 2) Editorial 1600
3717 Suitable Replacement binary search greedy implementation Statement D Educational Codeforces Round 25 {825} PROGRAMMING Educational Codeforces Round 25 - Editorial 1600
8206 Office Keys binary search brute force dp greedy sortings Statement A Codeforces Round 424 (Div. 1, rated, based on VK Cup Finals) {830} PROGRAMMING Codeforces Round #424 Editorial 1900
712 Michael and Charging Stations binary search dp greedy Statement D Codeforces Round 433 (Div. 1, based on Olympiad of Metropolises) {853} PROGRAMMING Codeforces Round #433 Editorial 2400
2294 Ithea Plays With Chtholly binary search constructive algorithms games greedy interactive Statement B Codeforces Round 449 (Div. 1) {896} PROGRAMMING Codeforces Round #449 Editorial 2000
5125 Too Easy Problems binary search brute force data structures greedy sortings Statement D Hello 2018 {913} PROGRAMMING Tutorial 1800
5613 Three-level Laser binary search greedy two pointers Statement B VK Cup 2018 - Round 2 {924} PROGRAMMING VK Cup 2018 Round 2 and Codeforces Round #472 Editorial 1600
3536 Maximize! binary search greedy ternary search two pointers Statement E Codeforces Round 464 (Div. 2) {939} PROGRAMMING Analysis of Codeforces Round #464 1900
881 Curfew binary search brute force greedy sortings Statement D Codeforces Round 469 (Div. 1) {949} PROGRAMMING 58291 2400
2088 Water Taps binary search greedy sortings Statement E Educational Codeforces Round 40 (Rated for Div. 2) {954} PROGRAMMING 58519 2000
2394 Castle Defense binary search data structures greedy two pointers Statement G Educational Codeforces Round 40 (Rated for Div. 2) {954} PROGRAMMING 58519 2100
1149 Guard Duty (medium) binary search dp greedy sortings Statement E2 Helvetic Coding Contest 2018 online mirror (teams allowed, unrated) {958} PROGRAMMING helvetic-coding-contest-2018-editorial.pdf 2300
3343 Single-use Stones binary search flows greedy two pointers Statement D Codeforces Round 476 (Div. 2) [Thanks, Telegram!] {965} PROGRAMMING Analysis of Codeforces Round #476 (Div. 2) [Thanks, Telegram!] 1900
2171 Kuro and GCD and XOR and SUM binary search bitmasks brute force data structures dp dsu greedy math number theory strings trees Statement D Codeforces Round 482 (Div. 2) {979} PROGRAMMING 1750.0 Codeforces Round #482 (Div. 2) Editorial 2200
900 Round Marriage binary search graph matchings greedy Statement F Avito Code Challenge 2018 {981} PROGRAMMING Avito Code Challenge 2018 — разбор 2500
4142 Pencils and Boxes binary search data structures dp greedy two pointers Statement E Educational Codeforces Round 44 (Rated for Div. 2) {985} PROGRAMMING Educational Codeforces Round 44 Editorial 2000
832 Compute Power binary search dp greedy Statement D Codeforces Round 488 by NEAR (Div. 1) {993} PROGRAMMING Codeforces Round #488 editorial 2400
1232 Sonya and Ice Cream binary search data structures dp greedy shortest paths trees Statement E Codeforces Round 495 (Div. 2) {1004} PROGRAMMING 60443 2400
4029 Stars Drawing (Hard Edition) binary search dp greedy Statement E2 Codeforces Round 501 (Div. 3) {1015} PROGRAMMING 60949 2000
10217 Coffee Break binary search data structures greedy two pointers Statement C Codeforces Round 509 (Div. 2) {1041} PROGRAMMING Codeforces Round #509 (Div. 2) Editorial 1500
1619 Split the Tree binary search data structures dp greedy trees Statement E Codeforces Round 514 (Div. 2) {1059} PROGRAMMING Codeforces Round #514 (Div. 2) Editorial 2400
2049 Company binary search data structures dfs and similar greedy trees Statement E Codeforces Round 520 (Div. 2) {1062} PROGRAMMING Tutorial 2300
6715 Berland Fair binary search brute force data structures greedy Statement D Educational Codeforces Round 53 (Rated for Div. 2) {1073} PROGRAMMING 62742 1700
2814 Missing Numbers binary search constructive algorithms greedy math number theory Statement E Avito Cool Challenge 2018 {1081} PROGRAMMING 63888 1900
6293 Increasing Frequency binary search dp greedy Statement E Educational Codeforces Round 55 (Rated for Div. 2) {1082} PROGRAMMING 63544 2000
1086 New Year and the Acquaintance Estimation binary search data structures graphs greedy implementation math sortings Statement E Good Bye 2018 {1091} PROGRAMMING Editorial 2400
1161 Construct a tree binary search constructive algorithms dfs and similar graphs greedy trees Statement C Codeforces Round 530 (Div. 1) {1098} PROGRAMMING 64331 2300
3541 MST Unification binary search dsu graphs greedy Statement F Codeforces Round 535 (Div. 3) {1108} PROGRAMMING 64751 2300
6774 Coffee and Coursework (Hard Version) binary search greedy Statement D2 Codeforces Round 540 (Div. 3) {1118} PROGRAMMING 65396 1900
16252 Alyona and a Narrow Fridge binary search flows greedy sortings Statement B Codeforces Global Round 2 {1119} PROGRAMMING Codeforces Global Round 2 Editorial 1300
15631 Birthday binary search greedy sortings Statement C Codeforces Round 541 (Div. 2) {1131} PROGRAMMING Codeforces Round #541 Editorial 1200
2256 Stressful Training binary search greedy Statement D Educational Codeforces Round 61 (Rated for Div. 2) {1132} PROGRAMMING T 2300
21939 Sushi for Two binary search greedy implementation Statement A Codeforces Round 545 (Div. 2) {1138} PROGRAMMING Codeforces Round #545 – Editorial 900
2542 Privatization of Roads in Treeland binary search constructive algorithms dfs and similar graphs greedy trees Statement G Codeforces Round 547 (Div. 3) {1141} PROGRAMMING 66062 2500
5521 Serval and Rooted Tree binary search dfs and similar dp greedy trees Statement D Codeforces Round 551 (Div. 2) {1153} PROGRAMMING Editorial 1800
6654 Match Points binary search greedy sortings ternary search two pointers Statement C Educational Codeforces Round 64 (Rated for Div. 2) {1156} PROGRAMMING 66827 2000
9173 Minimum Array binary search data structures greedy Statement E Codeforces Round 555 (Div. 3) {1157} PROGRAMMING 66737 1700
8308 The Party and Sweets binary search constructive algorithms greedy implementation math sortings two pointers Statement A Codeforces Round 559 (Div. 1) {1158} PROGRAMMING 66993 1500
2144 Microtransactions (easy version) binary search greedy Statement F1 Codeforces Round 560 (Div. 3) {1165} PROGRAMMING Codeforces Round #560 (Div. 3) Editorial 2400
2446 Microtransactions (hard version) binary search greedy implementation Statement F2 Codeforces Round 560 (Div. 3) {1165} PROGRAMMING Codeforces Round #560 (Div. 3) Editorial 2400
2282 Cute Sequences binary search brute force greedy math Statement D Codeforces Round 561 (Div. 2) {1166} PROGRAMMING Codeforces Round #561 (Div. 2) Editorial 2100
7579 Increasing by Modulo binary search greedy Statement A Codeforces Round 562 (Div. 1) {1168} PROGRAMMING Codeforces Round #562 — Editorial 1800
135 Wheels *special binary search greedy Statement F Kotlin Heroes: Episode 1 {1170} PROGRAMMING Kotlin Heroes Editorial
7256 Electrification binary search brute force greedy Statement C Educational Codeforces Round 66 (Rated for Div. 2) {1175} PROGRAMMING Editorial 1600
2444 Serge and Dining Room binary search data structures graph matchings greedy implementation math trees Statement C Codeforces Round 569 (Div. 1) {1179} PROGRAMMING Editorial of Round #569 2400
262 Tokitsukaze and Explosion binary search greedy Statement E Codeforces Round 573 (Div. 1) {1190} PROGRAMMING E 3100
32761 Maximum Median binary search greedy math sortings Statement C Codeforces Round 577 (Div. 2) {1201} PROGRAMMING Codeforces Round #577 (Div 2) Editorial 1400
2531 Treasure Hunting binary search dp greedy implementation Statement D Codeforces Round 577 (Div. 2) {1201} PROGRAMMING Codeforces Round #577 (Div 2) Editorial 2000
8099 Remove the Substring (hard version) binary search greedy implementation two pointers Statement D2 Codeforces Round 579 (Div. 3) {1203} PROGRAMMING Codeforces Round #579 (Div. 3) Editorial 1800
5439 Restore Permutation binary search data structures greedy implementation Statement D Manthan, Codefest 19 (open for everyone, rated, Div. 1 + Div. 2) {1208} PROGRAMMING 69357 1900
216 Double Permutation Inc. *special binary search greedy Statement E Kotlin Heroes: Episode 2 {1211} PROGRAMMING Kotlin Heroes: Episode 2 Editorial 2200
252 Teams *special binary search greedy math Statement D Kotlin Heroes: Episode 2 {1211} PROGRAMMING Kotlin Heroes: Episode 2 Editorial 2200
9744 Save the Nature binary search greedy Statement C Technocup 2020 - Elimination Round 1 {1223} PROGRAMMING Сodeforces Round 591 (and Technocup 2020 — Elimination Round 1) Editorial 1600
4532 Balanced Removals (Harder) binary search constructive algorithms divide and conquer greedy implementation sortings Statement C2 Codeforces Global Round 5 {1237} PROGRAMMING T 1900
6385 Minimizing Difference binary search constructive algorithms greedy sortings ternary search two pointers Statement E Codeforces Round 592 (Div. 2) {1244} PROGRAMMING Codeforces Round #592 (Div. 2) Tutorial 2000
13511 Good Numbers (hard version) binary search greedy math meet-in-the-middle Statement C2 Codeforces Round 595 (Div. 3) {1249} PROGRAMMING Codeforces Round #595 (Div. 3) Editorial 1500
4684 Divide The Students binary search greedy math Statement L 2019-2020 ICPC, NERC, Southern and Volga Russian Regional Contest (Online Mirror, ICPC Rules, Teams Preferred) {1250} PROGRAMMING 1700
3242 The Parade binary search greedy Statement J 2019-2020 ICPC, NERC, Southern and Volga Russian Regional Contest (Online Mirror, ICPC Rules, Teams Preferred) {1250} PROGRAMMING 1900
171 Show Must Go On binary search brute force greedy shortest paths Statement I 2019-2020 ICPC, NERC, Southern and Volga Russian Regional Contest (Online Mirror, ICPC Rules, Teams Preferred) {1250} PROGRAMMING 3100
6456 Salary Changing binary search greedy sortings Statement D Educational Codeforces Round 75 (Rated for Div. 2) {1251} PROGRAMMING 70860 1800
2947 Voting (Hard Version) binary search data structures greedy Statement E2 Educational Codeforces Round 75 (Rated for Div. 2) {1251} PROGRAMMING 70860 2300
8144 Yet Another Monster Killing Problem binary search data structures dp greedy sortings two pointers Statement D Educational Codeforces Round 76 (Rated for Div. 2) {1257} PROGRAMMING Educational Codeforces Round 76 Editorial 1700
4180 A Game with Traps binary search dp greedy sortings Statement D Educational Codeforces Round 77 (Rated for Div. 2) {1260} PROGRAMMING Educational Codeforces Round 77 Editorial 1900
274 Bonus Distribution *special binary search greedy sortings Statement D Kotlin Heroes: Episode 3 {1297} PROGRAMMING Kotlin Heroes: Episode 3 Editorial
14956 Motarack's Birthday binary search greedy ternary search Statement B Codeforces Round 619 (Div. 2) {1301} PROGRAMMING 1000.0 Codeforces Round #619 (Div. 2) Editorial 1500
9860 Ayoub's function binary search combinatorics greedy math strings Statement C Codeforces Round 619 (Div. 2) {1301} PROGRAMMING 1250.0 Codeforces Round #619 (Div. 2) Editorial 1700
172 Kuroni the Private Tutor binary search greedy Statement H Ozon Tech Challenge 2020 (Div.1 + Div.2, Rated, T-shirts + prizes!) {1305} PROGRAMMING 4000.0 Ozon Tech Challenge 2020 Editorial 3600
7159 Cow and Fields binary search data structures dfs and similar graphs greedy shortest paths sortings Statement D Codeforces Round 621 (Div. 1 + Div. 2) {1307} PROGRAMMING 2000.0 Codeforces Round #621 (Div. 1 + Div. 2) Editorial 1900
1362 Cow and Treats binary search combinatorics dp greedy implementation math Statement E Codeforces Round 621 (Div. 1 + Div. 2) {1307} PROGRAMMING 2500.0 Codeforces Round #621 (Div. 1 + Div. 2) Editorial 2400
7006 Different Rules binary search constructive algorithms greedy implementation math Statement B Codeforces Round 622 (Div. 2) {1313} PROGRAMMING 1000.0 Editorial 1700
9599 Homecoming binary search dp greedy strings Statement B Codeforces Round 623 (Div. 2, based on VK Cup 2019-2020 - Elimination Round, Engine) {1315} PROGRAMMING 1000.0 VK Cup 2019-2020 - Elimination Round (Engine) and Codeforces Round #623 1300
30424 Frog Jumps binary search data structures greedy implementation Statement C Codeforces Round 627 (Div. 3) {1324} PROGRAMMING Codeforces Round #627 (Div. 3) Editorial
264 Dreamoon Loves AA binary search greedy Statement E Codeforces Round 631 (Div. 1) - Thanks, Denis aramis Shitov! {1329} PROGRAMMING 2500.0 Codeforces Round #631 Editorial 3300
38877 Two Teams Composing binary search greedy implementation sortings Statement C Codeforces Round 634 (Div. 3) {1335} PROGRAMMING 75993 1100
12116 Xenia and Colorful Gems binary search greedy math sortings two pointers Statement B Codeforces Round 635 (Div. 1) {1336} PROGRAMMING 750.0 Codeforces Round #635 Editorial 1800
6362 Multiple Testcases binary search constructive algorithms data structures greedy sortings two pointers Statement D Educational Codeforces Round 86 (Rated for Div. 2) {1342} PROGRAMMING 76633 1900
1289 Résumé Review binary search greedy math Statement D Codeforces Round 639 (Div. 1) {1344} PROGRAMMING 1750.0 Codeforces Round #639 Editorial 2700
9335 Phoenix and Science binary search bitmasks constructive algorithms greedy math Statement D Codeforces Round 638 (Div. 2) {1348} PROGRAMMING 2000.0 Codeforces Round #638 (Div. 2) Editorial 1900
5824 Restorer Distance binary search greedy math sortings ternary search Statement E Codeforces Round 643 (Div. 2) {1355} PROGRAMMING 2000.0 Codeforces Round #643 (Div. 2) Editorial 2100
8701 The Best Vacation binary search brute force greedy implementation two pointers Statement D Codeforces Round 645 (Div. 2) {1358} PROGRAMMING 1500.0 Codeforces Round #645 (Div. 2) Editorial 1900
501 Tasty Cookie binary search constructive algorithms greedy implementation Statement F Codeforces Round 645 (Div. 2) {1358} PROGRAMMING 2500.0 Codeforces Round #645 (Div. 2) Editorial 2700
4616 Two Arrays binary search brute force combinatorics dp greedy implementation two pointers Statement E Educational Codeforces Round 89 (Rated for Div. 2) {1366} PROGRAMMING Educational Codeforces Round 89 Editorial
32954 Shovels and Swords binary search greedy math Statement A Educational Codeforces Round 89 (Rated for Div. 2) {1366} PROGRAMMING Educational Codeforces Round 89 Editorial
5803 Necklace Assembly binary search brute force dp greedy number theory Statement E Codeforces Round 650 (Div. 3) {1367} PROGRAMMING Codeforces Round #650 (Div. 3) Editorial
1863 Flying Sort (Hard Version) binary search dp greedy two pointers Statement F2 Codeforces Round 650 (Div. 3) {1367} PROGRAMMING Codeforces Round #650 (Div. 3) Editorial
5216 Binary Subsequence Rotation binary search data structures dp greedy implementation Statement E Codeforces Round 651 (Div. 2) {1370} PROGRAMMING 2500.0 Editorial — Codeforces Round #651
10812 Odd-Even Subsequence binary search dp greedy implementation sortings Statement D Codeforces Round 651 (Div. 2) {1370} PROGRAMMING 2000.0 Editorial — Codeforces Round #651
1873 Network Coverage binary search data structures flows graph matchings graphs greedy Statement F Educational Codeforces Round 90 (Rated for Div. 2) {1373} PROGRAMMING Educational Codeforces Round 90 Editorial
19332 Pluses and Minuses binary search dp greedy implementation math Statement C Educational Codeforces Round 90 (Rated for Div. 2) {1373} PROGRAMMING Educational Codeforces Round 90 Editorial
1063 Reading Books (hard version) binary search data structures greedy sortings ternary search two pointers Statement E2 Codeforces Round 653 (Div. 3) {1374} PROGRAMMING 79517
6072 Choosing flowers binary search data structures greedy math sortings two pointers Statement C Codeforces Round 657 (Div. 2) {1379} PROGRAMMING 1250.0 Codeforces Round #657 Editorial 2000
28854 Make It Good binary search greedy Statement C Codeforces Round 656 (Div. 3) {1385} PROGRAMMING Codeforces Round #656 (Div. 3) Editorial 1200
4546 Segment Intersections binary search brute force greedy implementation math Statement D Educational Codeforces Round 92 (Rated for Div. 2) {1389} PROGRAMMING 80809
2391 Omkar and Landslide binary search constructive algorithms greedy math Statement F Codeforces Global Round 10 {1392} PROGRAMMING 2500.0 Codeforces Global Round 10 — Editorial
11042 Pinkie Pie Eats Patty-cakes binary search constructive algorithms data structures greedy math sortings Statement C Codeforces Round 662 (Div. 2) {1393} PROGRAMMING 1500.0 Codeforces Round #662 Editorial
2592 Two Types of Spells binary search data structures greedy implementation math sortings Statement E Educational Codeforces Round 93 (Rated for Div. 2) {1398} PROGRAMMING Educational Codeforces Round 93 Editorial
2515 Weights Division (hard version) binary search data structures dfs and similar greedy trees two pointers Statement E2 Codeforces Round 661 (Div. 3) {1399} PROGRAMMING Codeforces Round #661 (Div. 3) Editorial
11678 RPG Protagonist binary search brute force greedy math Statement B Educational Codeforces Round 94 (Rated for Div. 2) {1400} PROGRAMMING 81942
3043 Fixed Point Removal binary search data structures greedy Statement C Codeforces Round 668 (Div. 1) {1404} PROGRAMMING 1500.0 Codeforces Round #668 Editorial
3804 Three Sequences binary search data structures greedy math Statement D Codeforces Round 670 (Div. 2) {1406} PROGRAMMING 2000.0 Codeforces Round #670 (Div. 2) Editorial
5687 Discrete Centrifugal Jumps binary search data structures dp greedy Statement D Codeforces Round 669 (Div. 2) {1407} PROGRAMMING 2000.0 Codeforces Round #669 Editorial
17367 Sage's Birthday (hard version) binary search constructive algorithms greedy implementation sortings two pointers Statement D2 Codeforces Round 671 (Div. 2) {1419} PROGRAMMING 1000.0 Codeforces Round #671 Editorial
26357 Sage's Birthday (easy version) binary search greedy implementation sortings Statement D1 Codeforces Round 671 (Div. 2) {1419} PROGRAMMING 750.0 Codeforces Round #671 Editorial
4193 Carrots for Rabbits binary search data structures greedy math Statement E Codeforces Raif Round 1 (Div. 1 + Div. 2) {1428} PROGRAMMING 1750.0 Codeforces Raif Round 1 Editorial
161 Neural Network Problem *special binary search greedy Statement F Kotlin Heroes 5: ICPC Round {1431} PROGRAMMING 84563
6486 Bandit in a City binary search dfs and similar greedy trees Statement D Codeforces Round 678 (Div. 2) {1436} PROGRAMMING 2000.0 Codeforces Round #678 (Div. 2). Editorial
2201 Greedy Shopping binary search data structures greedy Statement C Codeforces Round 684 (Div. 1) {1439} PROGRAMMING 1750.0 Codeforces Round #684[Div1 and Div2] Editorial
16744 The Delivery Dilemma binary search greedy sortings Statement C Codeforces Round 681 (Div. 2, based on VK Cup 2019-2020 - Final) {1443} PROGRAMMING 1500.0 VK Cup 2019-2020 -- Engine Editorial
15460 Toy Blocks binary search greedy math sortings Statement B Educational Codeforces Round 98 (Rated for Div. 2) {1452} PROGRAMMING 84847
2216 Dog Snacks binary search dfs and similar dp greedy trees Statement E Codeforces Round 688 (Div. 2) {1453} PROGRAMMING 2500.0 Codeforces Round #688 (Div. 2) Editorial
4643 Array Partition binary search brute force data structures greedy two pointers Statement F Codeforces Round 686 (Div. 3) {1454} PROGRAMMING Codeforces Round #686 (Div. 3) Editorial
8371 The Treasure of The Segments binary search data structures greedy sortings Statement F Codeforces Round 690 (Div. 3) {1462} PROGRAMMING Codeforces Round #690 (Div. 3) Editorial
4826 Pairs binary search constructive algorithms greedy Statement D Educational Codeforces Round 100 (Rated for Div. 2) {1463} PROGRAMMING Educational Codeforces Round 100 Editorial
1078 Power Sockets binary search data structures greedy Statement F Educational Codeforces Round 101 (Rated for Div. 2) {1469} PROGRAMMING Educational Codeforces Round 101 Editorial
40032 Different Divisors binary search constructive algorithms greedy math number theory Statement B Codeforces Round 696 (Div. 2) {1474} PROGRAMMING 1000.0 Codeforces Round #696 Editorial
11170 Cleaning the Phone binary search dp greedy sortings two pointers Statement D Codeforces Round 697 (Div. 3) {1475} PROGRAMMING Codeforces Round #697 (Div. 3) Editorial
21491 Inflation binary search brute force greedy math Statement B Educational Codeforces Round 103 (Rated for Div. 2) {1476} PROGRAMMING 87356
44736 K-divisible Sum binary search constructive algorithms greedy math Statement A Educational Codeforces Round 103 (Rated for Div. 2) {1476} PROGRAMMING 87356
360 Problemsolving Marathon *special binary search greedy Statement D Kotlin Heroes: Episode 6 {1488} PROGRAMMING 88522
20950 Accidental Victory binary search data structures greedy Statement E Codeforces Round 702 (Div. 3) {1490} PROGRAMMING Codeforces Round #702 (Div. 3) Editorial
18297 Equalize the Array binary search data structures greedy math sortings Statement F Codeforces Round 702 (Div. 3) {1490} PROGRAMMING Codeforces Round #702 (Div. 3) Editorial
4941 K-beautiful Strings binary search brute force greedy implementation strings Statement C Codeforces Round 705 (Div. 2) {1493} PROGRAMMING 1750.0 Codeforces Round #705 (Div.2) Editorial
15296 Berland Crossword binary search bitmasks brute force greedy implementation Statement B Educational Codeforces Round 105 (Rated for Div. 2) {1494} PROGRAMMING Educational Codeforces Round 105 Editorial
23152 Box Fitting binary search bitmasks data structures greedy Statement B CodeCraft-21 and Codeforces Round 711 (Div. 2) {1498} PROGRAMMING 1000.0 CodeCraft-21 and Codeforces Round #711 (Div. 2) Editorial
3838 Travelling Salesman Problem binary search data structures dp greedy shortest paths sortings Statement C Codeforces Round 712 (Div. 1) {1503} PROGRAMMING 1250.0 T 2200
6802 Education binary search greedy implementation math Statement F Codeforces Round 713 (Div. 3) {1512} PROGRAMMING Codeforces Round #713 (Div. 3) Editorial
4803 Cut and Stick binary search data structures greedy probabilities sortings Statement D Codeforces Round 716 (Div. 2) {1514} PROGRAMMING 2000.0 Codeforces round #716 editorial
729 Nastia and a Beautiful Matrix binary search constructive algorithms greedy math Statement E Codeforces Round 720 (Div. 2) {1521} PROGRAMMING 2750.0 90477
15546 Pursuit binary search greedy sortings Statement C Codeforces Round 733 (Div. 1 + Div. 2, based on VK Cup 2021 - Elimination (Engine)) {1530} PROGRAMMING 1000.0 Codeforces Round #733 Editorial (all problems)
285 Chess Team Forming *special binary search data structures greedy Statement E Kotlin Heroes: Episode 7 {1533} PROGRAMMING Kotlin Heroes 7 — Editorial
224 Binary String Partition *special binary search greedy Statement F Kotlin Heroes: Episode 7 {1533} PROGRAMMING Kotlin Heroes 7 — Editorial
3059 Gold Transfer binary search data structures greedy interactive trees Statement E Educational Codeforces Round 110 (Rated for Div. 2) {1535} PROGRAMMING 91481
16236 Erase and Extend (Easy Version) binary search brute force dp greedy hashing string suffix structures strings Statement E1 Codeforces Round 726 (Div. 2) {1537} PROGRAMMING 1250.0 Codeforces Round #726 (Div.2) Editorial
6133 Erase and Extend (Hard Version) binary search data structures greedy hashing string suffix structures strings Statement E2 Codeforces Round 726 (Div. 2) {1537} PROGRAMMING 1750.0 Codeforces Round #726 (Div.2) Editorial
5192 Gift Set binary search geometry greedy math ternary search Statement G Codeforces Round 725 (Div. 3) {1538} PROGRAMMING Codeforces Round #725 (Div. 3) Editorial
12703 PriceFixed binary search data structures greedy sortings two pointers Statement D Codeforces Round 727 (Div. 2) {1539} PROGRAMMING 1500.0 tutorial 1600
1833 Stringforces binary search bitmasks data structures dp greedy strings two pointers Statement E Educational Codeforces Round 111 (Rated for Div. 2) {1550} PROGRAMMING Educational Codeforces Round 111 Editorial
16636 Wonderful Coloring - 2 binary search constructive algorithms data structures greedy Statement B2 Codeforces Round 734 (Div. 3) {1551} PROGRAMMING Editorial for Codeforces Round #734 (Div.3)
9670 Mikasa binary search bitmasks greedy implementation Statement C Codeforces Round 735 (Div. 2) {1554} PROGRAMMING 1750.0 Editorial of Codeforces Round #735 (Div. 2) 1800
6741 Nearest Beautiful Number (easy version) binary search bitmasks brute force constructive algorithms dfs and similar greedy Statement F1 Codeforces Round 739 (Div. 3) {1560} PROGRAMMING 94009 1900
21213 Deep Down Below binary search greedy sortings Statement C Codeforces Round 740 (Div. 2, based on VK Cup 2021 - Final (Engine)) {1561} PROGRAMMING 1250.0 Codeforces Round #740 Editorial 1300
18538 Slay the Dragon binary search greedy sortings Statement C Educational Codeforces Round 114 (Rated for Div. 2) {1574} PROGRAMMING 95188
5337 Array Stabilization (AND version) binary search brute force graphs greedy implementation math number theory shortest paths Statement F Codeforces Round 744 (Div. 3) {1579} PROGRAMMING Codeforces Round #744 (Div. 3) Editorial
2744 Minimal Coverage binary search dp greedy Statement G Codeforces Round 744 (Div. 3) {1579} PROGRAMMING Codeforces Round #744 (Div. 3) Editorial
4196 Pchelyonok and Segments binary search data structures dp greedy math Statement E Codeforces Round 750 (Div. 2) {1582} PROGRAMMING 2500.0 Codeforces Round #750 (Div.2) Editorial
1465 Game with Stones binary search data structures games greedy Statement E Technocup 2022 - Elimination Round 2 {1584} PROGRAMMING 2000.0 Editorial for Technocup 2022 — Elimination Round 2 and Codeforces Round #755 (Div. 1, Div. 2) 2300
27827 Save More Mice binary search greedy greedy Statement C Codeforces Round 748 (Div. 3) {1593} PROGRAMMING Editorial for Codeforces Round #748 (Div.3)
1921 AmShZ and G.O.A.T. binary search brute force greedy math Statement E Codeforces Global Round 17 {1610} PROGRAMMING 2500.0 Codeforces Global Round 17 Editorial
15525 Keshi Is Throwing a Party binary search greedy Statement C Codeforces Global Round 17 {1610} PROGRAMMING 1500.0 Codeforces Global Round 17 Editorial
1922 Trader Problem binary search data structures dsu greedy math sortings Statement G Codeforces Round 760 (Div. 3) {1618} PROGRAMMING Codeforces Round #760 (Div. 3) Editorial
8439 New Year's Problem binary search brute force greedy sortings Statement D Codeforces Round 762 (Div. 3) {1619} PROGRAMMING Tutorial
4795 Exact Change binary search brute force constructive algorithms greedy Statement D Educational Codeforces Round 119 (Rated for Div. 2) {1620} PROGRAMMING 98061
1914 New School binary search data structures greedy implementation sortings Statement E Hello 2022 {1621} PROGRAMMING 2250.0
15495 Set or Decrease binary search greedy ternary search Statement C Educational Codeforces Round 120 (Rated for Div. 2) {1622} PROGRAMMING Educational Codeforces Round 120 Editorial
14286 Balanced Stone Heaps binary search greedy Statement C Codeforces Round 763 (Div. 2) {1623} PROGRAMMING 1750.0 Codeforces Round #763 (Div. 2) Editorial
19038 Palindromes Coloring binary search greedy sortings strings Statement D Codeforces Round 764 (Div. 3) {1624} PROGRAMMING Codeforces Round #764 (Div. 3) Editorial
4324 Martial Arts Tournament binary search brute force greedy Statement D Educational Codeforces Round 121 (Rated for Div. 2) {1626} PROGRAMMING 99136
6472 Range and Partition binary search data structures greedy two pointers Statement B Codeforces Round 768 (Div. 1) {1630} PROGRAMMING 1250.0 Editorial of Codeforces Round #768
14048 Strange Test binary search bitmasks brute force greedy math Statement C Codeforces Round 769 (Div. 2) {1632} PROGRAMMING 1500.0 Editorial of Codeforces Round #769
5313 New Year Concert binary search data structures dp greedy math number theory two pointers Statement D Codeforces Round 769 (Div. 2) {1632} PROGRAMMING 2000.0 Editorial of Codeforces Round #769
4457 Rescheduling the Exam binary search data structures greedy implementation math sortings Statement E Codeforces Round 776 (Div. 3) {1650} PROGRAMMING 100712
1212 Parametric MST binary search graphs greedy math ternary search Statement F CodeTON Round 1 (Div. 1 + Div. 2, Rated, Prizes!) {1656} PROGRAMMING 3000.0 Tutorial
10480 Water the Trees binary search greedy math Statement C Educational Codeforces Round 126 (Rated for Div. 2) {1661} PROGRAMMING Educational Codeforces Round 126 Editorial
805 Teleporters binary search greedy math Statement F Educational Codeforces Round 126 (Rated for Div. 2) {1661} PROGRAMMING Educational Codeforces Round 126 Editorial
1793 MinimizOR binary search bitmasks data structures dp greedy implementation Statement E Codeforces Round 781 (Div. 2) {1665} PROGRAMMING 2250.0 Codeforces Round #781 (Div. 2) Editorial
9835 Tree Infection binary search dfs and similar greedy trees Statement C Codeforces Round 781 (Div. 2) {1665} PROGRAMMING 1250.0 Codeforces Round #781 (Div. 2) Editorial
881 Even Split binary search constructive algorithms greedy Statement E 2021-2022 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1666} PROGRAMMING Tutorial (PDF)
39261 Eating Candies binary search data structures greedy two pointers Statement F Codeforces Round 784 (Div. 4) {1669} PROGRAMMING 102101 1100
25213 Dolce Vita binary search brute force greedy math Statement C Educational Codeforces Round 127 (Rated for Div. 2) {1671} PROGRAMMING 102181
2514 notepad.exe binary search constructive algorithms greedy interactive Statement E Codeforces Global Round 20 {1672} PROGRAMMING 1500.0 Global Round 20 Editorial 2200
7281 Breaking the Wall binary search brute force constructive algorithms greedy math Statement E Codeforces Round 786 (Div. 3) {1674} PROGRAMMING 102482
32825 Eating Queries binary search greedy sortings Statement E Codeforces Round 790 (Div. 4) {1676} PROGRAMMING Codeforces Round #790 (Div. 4) Editorial
4314 Moving Chips binary search bitmasks dp greedy Statement E Educational Codeforces Round 128 (Rated for Div. 2) {1680} PROGRAMMING 102852
11087 Binary String binary search greedy two pointers Statement C Educational Codeforces Round 128 (Rated for Div. 2) {1680} PROGRAMMING 102852
16948 Price Maximization binary search greedy math two pointers Statement E Codeforces Round 797 (Div. 3) {1690} PROGRAMMING Codeforces Round #797 (Div. 3) Editorial 1500
6004 Permutation Graph binary search constructive algorithms data structures greedy shortest paths trees Statement D Codeforces Global Round 21 {1696} PROGRAMMING 2000.0 Editorial of Codeforces Global Round 21
1782 PermutationForces II binary search brute force combinatorics constructive algorithms greedy sortings Statement E Codeforces Round 803 (Div. 2) {1698} PROGRAMMING 2000.0 Codeforces Round #803 (Div. 2) Editorial
6976 River Locks binary search dp greedy math Statement D Codeforces Round 802 (Div. 2) {1700} PROGRAMMING 1750.0 103978 1900
6260 Permutation Restoration binary search data structures greedy math sortings Statement D Educational Codeforces Round 131 (Rated for Div. 2) {1701} PROGRAMMING Educational Codeforces Round 131 Editorial
23669 Schedule Management binary search greedy Statement C Educational Codeforces Round 131 (Rated for Div. 2) {1701} PROGRAMMING Educational Codeforces Round 131 Editorial
29784 Yet Another Problem About Pairs Satisfying an Inequality binary search data structures dp greedy sortings Statement F Codeforces Round 806 (Div. 4) {1703} PROGRAMMING 104786
2446 Mark and Professor Koro binary search bitmasks combinatorics data structures greedy Statement E Codeforces Round 807 (Div. 2) {1705} PROGRAMMING 2500.0 Codeforces Round #807 (Div 2.) Editorial
7706 Chopping Carrots (Easy Version) binary search brute force constructive algorithms dp greedy number theory Statement D1 Codeforces Round 809 (Div. 2) {1706} PROGRAMMING 1000.0 Codeforces Round #809 Editorial
15414 Doremy's IQ binary search greedy implementation Statement A Codeforces Round 808 (Div. 1) {1707} PROGRAMMING 500.0 104930