Gym - 101810D ACM International Collegiate Programming Contest (2018)

bryce1010模板

 http://codeforces.com/gym/101810

#include <bits/stdc++.h>

using namespace std;

#define ll long  long

int main()

{

    int t;

    scanf("%d",&t);

    ll n,m;

    while(t--)

    {

        scanf("%lld%lld",&n,&m);

        ll cnt=0;

        if(m>n)swap(m,n);

        for(ll i=0;i<m;i++)

        {

            cnt+=(n-i)/2;

            cnt+=(n-i)%2;

            cnt+=(m-i-1)/2;

            cnt+=(m-i-1)%2;

        }

        printf("%lld\n",cnt);

    }

    return 0;

}

巴特西

Gym - 101810D ACM International Collegiate Programming Contest (2018)

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