Problem Tags

dp
11
math
11
greedy
7
2022
6
brute force
6
constructive algorithms
5
data structures
5
动态规划
4
number theory
4
dfs and similar
4
图论
3
bitmasks
3
*2100
3
binary search
3
graphs
3
CSP-S
3
2009
2
2012
2
数学
2
概率论
2