46344

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
46344	yuzhengxun	组合	C++	Accepted	1 MS	248 KB	118	2024-05-03 10:29:59

#include<bits/stdc++.h> using namespace std; int main() { int n,m; cin>>n>>m; cout<<(n*m-n-m); return 0; }