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660F - Bear and Bowling 4 (Codeforces - Educational Codeforces Round 11) categories

Category Problems Count
1 data structures 496
2 Best Problem Setters 410
3 Binary Search & Ternary Search 352
4 Geometry 254
5 Codeforces Div. 1, D 209
6 Codeforces Div. 2 - F Problems 119
7 #Errichto 78