55427

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
55427	zhangweiran	移动路线	C++	Accepted	0 MS	240 KB	171	2024-11-07 07:28:33

#include<iostream> using namespace std; int main() { int m,n; cin>>m>>n; int S=1; for(int i=1;i<=n-1;i++){ S*=(m+i-1); S/=i; } cout<<S; return 0; }