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3357 Spy Syndrome 2 data structures dp hashing implementation sortings string suffix structures strings Statement C Manthan, Codefest 16 {633} PROGRAMMING Manthan, Codefest 16: Editorials 1900
2462 Felicity is Coming! data structures hashing sortings strings Statement C Codecraft-17 and Codeforces Round 391 (Div. 1 + Div. 2, combined) {757} PROGRAMMING CodeCraft-17 and Codeforces Round #391 (Div. 1 + Div. 2, combined) Editorial 1900
1001 Morse Code binary search data structures dp hashing sortings string suffix structures strings Statement C Codeforces Round 542 [Alex Lopashev Thanks-Round] (Div. 1) {1129} PROGRAMMING 65520 2300