Submission #3027981

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Source Code Expand

#include<cstdio>
#include<queue>
#include<utility>
#include<cstring>
#include<stack>
#include<algorithm>
#include<cmath>
#include<iostream>
#include<map>
#define MAX_N 100001
#define INF_INT 2147483647
#define INF_LL 9223372036854775807
#define REP(i,n) for(int i=0;i<(int)(n);i++)
using namespace std;
typedef long long int ll;
typedef pair<ll,ll> P;
int main()
{
  int A,B;
  cin >> A;
  cin >> B;
  cout << (A-1)*(B-1) << endl;
  return 0;
}

Submission Info

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