牛客国庆集训派对Day3 A Knight(规律)

版权声明：哈哈哈哈哈哈哈哈哈哈哈哦吼~~ https://blog.csdn.net/threeh20/article/details/83032449

https://www.nowcoder.com/acm/contest/203/A

队友推得规律 看代码即可

#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int maxn=1e5+10;
int main()
{
    int T;
    scanf("%d",&T);
    while(T--)
    {
        ll n,m;
        scanf("%lld%lld",&n,&m);
        n=abs(n),m=abs(m);
        if(m>n)swap(n,m);
        if(n==1&&m==0)
        {
            printf("3\n");
            continue;
        }
        if(n==2&&m==2)
        {
            printf("4\n");
            continue;
        }
        ll cz=n-m;
        if(m>cz)
        {
            double kk=2.0*(floor((double)(cz-m)/3.0));
            cz-=kk;
            printf("%lld\n",cz);
        }
        else
        {
            double kk=2.0*(floor((double)(cz-m)/4.0));
            cz-=kk;
            printf("%lld\n",cz);
        }
    }
    return 0;
}