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1527 Geometry Horse greedy implementation sortings two pointers Statement C Codeforces Round 115 {175} PROGRAMMING Codeforces Round #115 — editorial A-E 1600
277969 Helpful Maths greedy implementation sortings strings Statement A Codeforces Round 197 (Div. 2) {339} PROGRAMMING Codeforces Round #197 — Tutorial 900
3811 Multitasking greedy implementation sortings two pointers Statement B Codeforces Round 225 (Div. 2) {384} PROGRAMMING Codeforces Round #225 — Editorial 1500
10685 USB vs. PS/2 greedy implementation sortings two pointers Statement B Educational Codeforces Round 17 {762} PROGRAMMING Tutorial 1400
6588 Ugly Pairs dfs and similar greedy implementation sortings strings Statement B Educational Codeforces Round 64 (Rated for Div. 2) {1156} PROGRAMMING 66827 1800
8380 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
17179 Dominated Subarray greedy implementation sortings strings two pointers Statement C Educational Codeforces Round 76 (Rated for Div. 2) {1257} PROGRAMMING Educational Codeforces Round 76 Editorial 1200
17806 Air Conditioner dp greedy implementation sortings two pointers Statement C Codeforces Round 620 (Div. 2) {1304} PROGRAMMING 1500.0 Codeforces Round #620 (Div. 2) Editorial 1500
4585 Kate and imperfection greedy implementation math number theory sortings two pointers Statement F Codeforces Round 632 (Div. 2) {1333} PROGRAMMING 2500.0 Codeforces Round #632 (Div. 2) editorial
17495 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
8347 Seating Arrangements (hard version) data structures greedy implementation sortings two pointers Statement D2 Codeforces Global Round 16 {1566} PROGRAMMING 1000.0 Codeforces Global Round 16 Editorial
20289 Longest Strike data structures greedy implementation sortings two pointers Statement F Codeforces Round 790 (Div. 4) {1676} PROGRAMMING Codeforces Round #790 (Div. 4) Editorial
17746 Lex String brute force greedy implementation sortings two pointers Statement A Codeforces Round 798 (Div. 2) {1689} PROGRAMMING 500.0 Editorial for Codeforces Round #798 (Div. 2)
4254 The Butcher greedy implementation sortings two pointers Statement B Codeforces Round 866 (Div. 1) {1819} PROGRAMMING 1250.0 Codeforces Round #866 (Div.1, Div.2, based on Lipetsk Team Olympiad) Editorial
5759 Set To Max (Hard Version) binary search constructive algorithms data structures dsu greedy implementation sortings two pointers Statement D2 Codeforces Round 914 (Div. 2) {1904} PROGRAMMING 750.0 Codeforces Round 914 (Div. 2) Editorial
4596 01 Tree data structures divide and conquer greedy implementation sortings trees Statement D Hello 2024 {1919} PROGRAMMING 1500.0 2100
30718 Binary Cut dp greedy implementation sortings strings Statement D Codeforces Round 944 (Div. 4) {1971} PROGRAMMING Codeforces Round 944 (Div. 4) Editorial 1100
6399 Dining Hall greedy implementation sortings sortings Statement C Codeforces Round 1012 (Div. 2) {2090} PROGRAMMING 1750.0 Codeforces Round 1012 (Div.1, Div. 2, based on THUPC 2025 — Finals) Editorial
5434 Changing the String binary search data structures greedy implementation sortings strings Statement E Educational Codeforces Round 179 (Rated for Div. 2) {2111} PROGRAMMING Educational Codeforces Round 179 Editorial
5670 New Year's Gifts data structures greedy implementation sortings two pointers Statement E Educational Codeforces Round 186 (Rated for Div. 2) {2182} PROGRAMMING Educational Codeforces Round 186 Editorial
1150 Minimum Influence binary search data structures geometry greedy implementation math sortings two pointers Statement E Educational Codeforces Round 190 (Rated for Div. 2) {2230} PROGRAMMING Educational Codeforces Round 190 — Editorial