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2233 Kuro and GCD and XOR and SUM binary search bitmasks brute force data structures dp dsu greedy math number theory strings trees Statement D Codeforces Round 482 (Div. 2) {979} PROGRAMMING 1750.0 Codeforces Round #482 (Div. 2) Editorial 2200
1047 Magical Permutation bitmasks brute force constructive algorithms data structures graphs math Statement E Codeforces Round 558 (Div. 2) {1163} PROGRAMMING 66943 2800
6818 Strange Definition bitmasks brute force data structures graphs math number theory Statement B Codeforces Round 694 (Div. 1) {1470} PROGRAMMING 750.0 86464
3207 388535 (Hard Version) bitmasks brute force data structures math Statement D2 Codeforces Round 779 (Div. 2) {1658} PROGRAMMING 750.0 Codeforces Round #779 (Div. 2) Editorial
2011 AND-MEX Walk bitmasks brute force data structures dfs and similar dsu graphs greedy Statement E Codeforces Round 782 (Div. 2) {1659} PROGRAMMING 2250.0 Codeforces Round #782 (Div. 2) Editorial
10638 SlavicG's Favorite Problem bitmasks brute force constructive algorithms data structures dfs and similar graphs greedy Statement G Codeforces Round 835 (Div. 4) {1760} PROGRAMMING 109348
2286 Fenwick Tree bitmasks brute force combinatorics data structures dp math trees Statement C Codeforces Round 942 (Div. 1) {1967} PROGRAMMING 1250.0 Tutorial 2300
310 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