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6723 Mashmokh and Tokens binary search greedy implementation math Statement B Codeforces Round 240 (Div. 2) {415} PROGRAMMING Codeforces Round #240 Editorial 1500
6163 Tourist's Notes binary search brute force greedy implementation math Statement C Codeforces Round 300 {538} PROGRAMMING Codeforces Round #300 Editorial (+challenges) 1600
2283 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
10212 Sanatorium binary search constructive algorithms greedy implementation math Statement C Codeforces Round 377 (Div. 2) {732} PROGRAMMING Codeforces Round #377 (Div. 2) Editorial 1300
1108 New Year and the Acquaintance Estimation binary search data structures graphs greedy implementation math sortings Statement E Good Bye 2018 {1091} PROGRAMMING Editorial 2400
8488 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
2517 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
1422 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
7040 Different Rules binary search constructive algorithms greedy implementation math Statement B Codeforces Round 622 (Div. 2) {1313} PROGRAMMING 1000.0 Editorial 1700
19480 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
4579 Segment Intersections binary search brute force greedy implementation math Statement D Educational Codeforces Round 92 (Rated for Div. 2) {1389} PROGRAMMING 80809
2620 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
6871 Education binary search greedy implementation math Statement F Codeforces Round 713 (Div. 3) {1512} PROGRAMMING Codeforces Round #713 (Div. 3) Editorial
5403 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
4492 Rescheduling the Exam binary search data structures greedy implementation math sortings Statement E Codeforces Round 776 (Div. 3) {1650} PROGRAMMING 100712
17957 Meeting on the Line binary search greedy implementation math ternary search Statement B Codeforces Round 823 (Div. 2) {1730} PROGRAMMING 1000.0 Codeforces Round #823 — editorial 1600
3443 Red-Blue Operations (Easy Version) binary search greedy implementation math Statement D1 Educational Codeforces Round 148 (Rated for Div. 2) {1832} PROGRAMMING 116454 2100
2394 Red-Blue Operations (Hard Version) binary search constructive algorithms greedy implementation math Statement D2 Educational Codeforces Round 148 (Rated for Div. 2) {1832} PROGRAMMING 116454 2400
25950 Vika and the Bridge binary search data structures greedy implementation math sortings Statement B Codeforces Round 885 (Div. 2) {1848} PROGRAMMING 1000.0 Codeforces Round #885 (Div.2) Editorial
8753 Yet Another Monster Fight binary search greedy implementation math Statement D Educational Codeforces Round 158 (Rated for Div. 2) {1901} PROGRAMMING Educational Codeforces Round 158 Editorial
1682 Distance Learning Courses in MAC binary search bitmasks data structures greedy implementation math Statement E Codeforces Round 932 (Div. 2) {1935} PROGRAMMING 2500.0 Codeforces Round #932 (Div. 2) Editorial
15190 Permutation Counting binary search greedy implementation math sortings Statement A Codeforces Round 942 (Div. 1) {1967} PROGRAMMING 750.0 Tutorial 1400
7615 Minimize the Difference binary search data structures greedy implementation math Statement D Codeforces Round 973 (Div. 2) {2013} PROGRAMMING 2000.0 134298
5307 Speedbreaker binary search dp greedy implementation math two pointers Statement B Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 750.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
5900 Yet Another Real Number Problem binary search brute force data structures dp greedy implementation math two pointers Statement D Codeforces Global Round 27 {2035} PROGRAMMING 1500.0 Codeforces Global Round 27 Editorial
18438 Insane Problem binary search greedy implementation math Statement E Codeforces Round 993 (Div. 4) {2044} PROGRAMMING Codeforces Round 993 (Div. 4) Editorial
7807 Refined Product Optimality binary search data structures greedy implementation math schedules sortings Statement D Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 1750.0 Good Bye 2024: 2025 is NEAR Editorial
2297 Kevin and Binary String (Easy Version) binary search brute force data structures dp greedy implementation strings two pointers Statement F1 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 2000.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial
5698 Copy String binary search greedy implementation strings Statement D Codeforces Global Round 30 (Div. 1 + Div. 2) {2164} PROGRAMMING 1750.0 Codeforces Global Round 30 Editorial
2366 Removal of a Sequence (Hard Version) binary search constructive algorithms divide and conquer greedy implementation math number theory probabilities Statement D2 Educational Codeforces Round 184 (Rated for Div. 2) {2169} PROGRAMMING Educational Codeforces Round 184 Editorial
1431 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