http://acm.hdu.
#include <stdio.h>
#include <string.h>
int main()
{
    int n,q,t,j,i,l,k;
    double a,b,c,max,min;
    char z[1010],x[1010];
    scanf("%d",&n);
    while(n--)
    {
        j=0;
        scanf("%d",&q);
        while(q--)
        {
            scanf("%s%lf%lf",z,&a,&b);
            t=strlen(z);
            if(b<200.0)
                continue;
            if(b>1000.0)
                c=5.0;
            else
            {
                c=b/200.0;
                k=(int)c;
                c=(double)k;

            }
            if(j==0){min=a/c;max=b;for(i=0;i<t;i++)x[i]=z[i];l=t;j++;}
            else
            {
                if(min>a/c){min=a/c;for(i=0;i<t;i++)x[i]=z[i];l=t;}
                if(min==a/c){
                    if(max<b){for(i=0;i<t;i++)x[i]=z[i];l=t;}
                }
            }
        }
        for(i=0;i<l;i++)
            printf("%c",x[i]);
        printf("\n");
    }
    return 0;
}

谢谢，我也知道，自己代码写的乱，有什么好的建议，能提高代码质量吗？

谢谢