#771. C++-函数-给定两个非负整数n和m，编写函数计算组合数C(n, m)
-
ID: 771
Type: Default
1000ms
256MiB
Tried: 105
Accepted: 43
Difficulty: 5
Uploaded By:
wuzehong
Tags> C++-函数-给定两个非负整数n和m，编写函数计算组合数C(n, m)
Background
Description
C++-函数-给定两个非负整数n和m，编写函数计算组合数C(n, m)
Format
Input
Output
Samples
5
2
10
Limitation
1s, 1024KiB for each test case.