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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
11912 Count Triangles binary search implementation math two pointers Statement C Codeforces Round 643 (Div. 2) {1355} PROGRAMMING 1250.0 Codeforces Round #643 (Div. 2) Editorial 1800
9264 Discrete Acceleration binary search implementation math two pointers Statement C Grakn Forces 2020 {1408} PROGRAMMING 1250.0 Grakn Forces -- Editorial
11337 Close Tuples (hard version) binary search combinatorics implementation math sortings two pointers Statement E2 Codeforces Round 690 (Div. 3) {1462} PROGRAMMING Codeforces Round #690 (Div. 3) Editorial
2761 MEX of LCM binary search brute force data structures implementation math number theory two pointers Statement E Codeforces Round 879 (Div. 2) {1834} PROGRAMMING 2500.0 Codeforces Round #879 Editorial
9207 Ntarsis' Set binary search implementation math two pointers Statement A Codeforces Round 887 (Div. 1) {1852} PROGRAMMING 500.0 Codeforces Round 887 (Div 1, Div 2) Tutorial
13084 Colorful Table binary search data structures dp implementation math sortings two pointers Statement C CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!) {1870} PROGRAMMING 1500.0 CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!) Editorial
4598 Cyclic MEX binary search constructive algorithms data structures implementation math two pointers Statement D Codeforces Round 915 (Div. 2) {1905} PROGRAMMING 2000.0 Codeforces Round 915 (Div. 2) Editorial
5161 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)
5809 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