题目标签

implementation
372
*800
292
math
255
greedy
152
brute force
132
*900
90
constructive algorithms
89
*1000
72
strings
64
sortings
61
*1100
43
number theory
42
*special problem
37
*1200
27
dp
25
*1300
21
geometry
18
binary search
13
data structures
11
combinatorics
11