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1216 Indie Album data structures dfs and similar hashing string suffix structures strings trees Statement G Educational Codeforces Round 71 (Rated for Div. 2) {1207} PROGRAMMING Educational Codeforces Round 71 Editorial 2600
1247 Death DBMS data structures hashing string suffix structures strings trees Statement G Educational Codeforces Round 97 (Rated for Div. 2) {1437} PROGRAMMING 84149
243 Alphabetic Tree binary search data structures dfs and similar hashing string suffix structures strings trees Statement G Codeforces Round 758 (Div.1 + Div. 2) {1608} PROGRAMMING 2750.0 Editorial of Codeforces Round #758 (Div.1 + Div. 2)
2545 Prefix Function Queries bitmasks brute force data structures hashing string suffix structures strings trees Statement E Educational Codeforces Round 134 (Rated for Div. 2) {1721} PROGRAMMING 106416