uestc oj 1761 船长多少岁

#include<cstdio>
#include<cstring>

int T,cow,sheep,cow_one,sheep_one,res,sum;

int main()
{
     //freopen("1.txt","r",stdin);
     scanf("%d",&T);
     while(T--)
     {
        res = 21;

        scanf("%d%d%d%d",&cow,&sheep,&cow_one,&sheep_one);
        sum = cow * cow_one + sheep *sheep_one;

        if(sum>500000&&sum<=1000000) res = 27;
        else if(sum>1000000) res = 29;
        if(sheep==0||cow-sheep<=res) printf("%d\n",res);
        else printf("%d\n",cow-sheep);
     }
     return 0;
}

这个题目就是简单的逻辑判断和计算