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1384 Controversial Rounds binary search data structures dp dsu two pointers Statement F Educational Codeforces Round 93 (Rated for Div. 2) {1398} PROGRAMMING Educational Codeforces Round 93 Editorial
7977 Andrey and Escape from Capygrad binary search data structures dp dsu greedy sortings two pointers Statement D Codeforces Round 892 (Div. 2) {1859} PROGRAMMING 1750.0 Video solutions from Geothermal.