42328

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
42328	lmz120809	组合	C++	Accepted	0 MS	244 KB	111	2024-02-25 11:31:49

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