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5C - Longest Regular Bracket Sequence (Codeforces - Codeforces Beta Round #5) categories

Category Problems Count
1 Dynamic Programming 1205
2 Greedy 599
3 data structures 489
4 Codeforces Div. 2 - C Problems 460
5 constructive algorithms 331
6 sortings 316
7 strings 216
8 CUET 56