You must be logged in to edit the categories for this problem

474E - Pillars (Codeforces - Codeforces Round #271 (Div. 2)) categories

Category Problems Count
1 Dynamic Programming 1210
2 data structures 489
3 Codeforces Div. 2 - E Problems 439
4 Binary Search & Ternary Search 350
5 sortings 316
6 trees 202
7 Segment Tree 162
8 Binary Indexed Tree 69