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Name
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Type
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2023 Fedor and Essay dfs and similar dp graphs hashing strings Statement D Codeforces Round 267 (Div. 2) {467} PROGRAMMING 2100
23267 Substring and Subsequence bitmasks brute force dp graphs greedy hashing strings trees Statement B Educational Codeforces Round 167 (Rated for Div. 2) {1989} PROGRAMMING Educational Codeforces Round 167 Editorial
1369 C+K+S brute force constructive algorithms dfs and similar graphs greedy hashing math strings Statement C Codeforces Round 980 (Div. 1) {2023} PROGRAMMING 1500.0 135341
280 Shifts and Swaps graphs hashing strings Statement F Codeforces Round 1030 (Div. 2) {2118} PROGRAMMING 3500.0 Codeforces Round 1030 (Div. 2) Editorial