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

496C - Removing Columns (Codeforces - Codeforces Round #283 (Div. 2) & Codeforces Round #283 (Div. 1)) categories

Category Problems Count
1 implementation 1054
2 Greedy 599
3 brute force 494
4 Codeforces Div. 2 - C Problems 460
5 Best Problem Setters 410
6 constructive algorithms 331