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17673 String Rotation Game brute force strings Statement A Codeforces Round 1081 (Div. 2) {2192} PROGRAMMING 500.0 Codeforces Round 1081 (Div. 2) Editorial
42295 DBMB and the Array brute force math Statement A Codeforces Round 1076 (Div. 3) {2193} PROGRAMMING Разбор Codeforces Round 1076 (Div. 3)
274 Fuzzy Concatenation (Easy Version) binary search bitmasks brute force data structures greedy string suffix structures Statement E1 Codeforces Round 1079 (Div. 1) {2196} PROGRAMMING 2000.0 Tutorial
20883 Specialty String brute force greedy strings Statement C Codeforces Round 1084 (Div. 3) {2200} PROGRAMMING Codeforces Round 1084 (Div. 3) Editorial