46346

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
46346	☩Deutschland☩	组合	C++	Accepted	0 MS	240 KB	126	2024-05-03 10:33:09

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