42322

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
42322	ningyouran	组合	C++	Accepted	0 MS	244 KB	109	2024-02-25 11:29:46

#include<iostream> using namespace std; int main(){ int n,m; cin>>n>>m; cout<<n*m-n-m; return 0; }