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Solved
Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
1546 Decypher the String bitmasks chinese remainder theorem constructive algorithms interactive math Statement E Educational Codeforces Round 60 (Rated for Div. 2) {1117} PROGRAMMING 65365 2200
6092 XOR Guessing bitmasks interactive math Statement E Educational Codeforces Round 71 (Rated for Div. 2) {1207} PROGRAMMING Educational Codeforces Round 71 Editorial 1800
1189 Secure Password bitmasks combinatorics constructive algorithms interactive math Statement G Codeforces Round 648 (Div. 2) {1365} PROGRAMMING 3000.0 Editorial — Codeforces Round #648 2800