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Name
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Type
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14436 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
10327 Lucky String constructive algorithms strings Statement B Codeforces Beta Round 84 (Div. 2 Only) {110} PROGRAMMING Codeforces Beta Round #84 - Analysis 1100
9260 Vitaly and Strings constructive algorithms strings Statement A Codeforces Round 293 (Div. 2) {518} PROGRAMMING Codeforces Round #293 (Div.2) Editorial 1600
9505 Pasha and String constructive algorithms greedy math strings Statement B Codeforces Round 297 (Div. 2) {525} PROGRAMMING Codeforces Round #297 (Div.2) Editorial 1500
6280 Marina and Vasya constructive algorithms greedy strings Statement C Codeforces Round 324 (Div. 2) {584} PROGRAMMING Tutorial 1700
6359 Make Palindrome constructive algorithms greedy strings Statement C Educational Codeforces Round 2 {600} PROGRAMMING Editorial 1800
10545 War of the Corporations constructive algorithms greedy strings Statement B Codeforces Round 342 (Div. 2) {625} PROGRAMMING Codeforces Round #342 (Div. 2) : editorial 1300
17539 Different is Good constructive algorithms implementation strings Statement B Codeforces Round 352 (Div. 2) {672} PROGRAMMING 1000
9122 Letters Cyclic Shift constructive algorithms greedy implementation strings Statement A AIM Tech Round 3 (Div. 1) {708} PROGRAMMING Editorial 1200
2760 Ability To Convert constructive algorithms dp greedy math strings Statement D Codeforces Round 392 (Div. 2) {758} PROGRAMMING Codeforces Round #392 (Div. 2) Editorial 1900
31231 Mahmoud and Longest Uncommon Subsequence constructive algorithms strings Statement A Codeforces Round 396 (Div. 2) {766} PROGRAMMING Codeforces round #396 editorial 1000
10497 Valued Keys constructive algorithms greedy strings Statement B Codeforces Round 409 (rated, Div. 2, based on VK Cup 2017 Round 2) {801} PROGRAMMING 1000
469 Fake News (medium) constructive algorithms strings Statement H Helvetic Coding Contest 2017 online mirror (teams allowed, unrated) {802} PROGRAMMING helvetic-coding-contest-2017-editorial.pdf 2400
1205 Picking Strings constructive algorithms implementation strings Statement D VK Cup 2018 - Round 1 {923} PROGRAMMING VK Cup 2018 Round 1 and CF Round #470 (div. 1 & 2) editorial 2500
1188 Lock Puzzle constructive algorithms implementation strings Statement C Codeforces Round 467 (Div. 1) {936} PROGRAMMING 2500
5956 Phone Numbers constructive algorithms implementation strings Statement C Codeforces Round 466 (Div. 2) {940} PROGRAMMING [Editorial] Codeforces Round #466 (Div. 2) 1500
7081 A Tide of Riverscape constructive algorithms strings Statement B Codeforces Round 487 (Div. 2) {989} PROGRAMMING Codeforces Round #487 (Div. 2) Editorial 1300
387 AB-Strings constructive algorithms strings Statement D Codeforces Round 500 (Div. 1) [based on EJOI] {1012} PROGRAMMING 60920 2700
10484 Oh Those Palindromes constructive algorithms strings Statement A Codeforces Round 516 (Div. 1, by Moscow Team Olympiad) {1063} PROGRAMMING Editorial 1400
16728 Letters Rearranging constructive algorithms greedy sortings strings Statement B Educational Codeforces Round 56 (Rated for Div. 2) {1093} PROGRAMMING 63877 900
4386 Sasha and One More Name constructive algorithms hashing strings Statement B Codeforces Round 539 (Div. 1) {1109} PROGRAMMING Codeforces Round #539 Editorial 1800
2257 The minimal unique substring constructive algorithms math strings Statement B Codeforces Round 559 (Div. 1) {1158} PROGRAMMING 66993 2200
850 Middle-Out constructive algorithms greedy strings Statement E Dasha Code Championship - Novosibirsk Finals Round (only for onsite-finalists) {1231} PROGRAMMING Dasha Code Championship Finals and Mirror Round 588 Editorial 2000
3374 Equalizing Two Strings constructive algorithms sortings strings Statement F Codeforces Round 598 (Div. 3) {1256} PROGRAMMING Codeforces Round #598 (Div. 3) Editorial 2200
3168 Lexicography constructive algorithms strings Statement L 2019-2020 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1267} PROGRAMMING nerc-2019-tutorial.pdf 1800
8721 Long Beautiful Integer constructive algorithms greedy implementation strings Statement A Codeforces Round 609 (Div. 1) {1268} PROGRAMMING Codeforces Round #609 — Editorial 1700
2265 Enchanted Artifact constructive algorithms interactive strings Statement D Codeforces Round 610 (Div. 2) {1282} PROGRAMMING 72461 2300
23872 Binary Period constructive algorithms strings Statement B Educational Codeforces Round 86 (Rated for Div. 2) {1342} PROGRAMMING 76633 1200
14766 Phoenix and Distribution constructive algorithms greedy strings Statement C Codeforces Round 638 (Div. 2) {1348} PROGRAMMING 1500.0 Codeforces Round #638 (Div. 2) Editorial 1600