47469

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
47469	奚晨瑞	移动路线	C++	Accepted	1 MS	252 KB	171	2024-05-17 16:12:07

#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; }