题解 | #小乐乐计算函数#

#include <stdio.h>
#include<math.h>

int Max(int a,int b, int c)
{
    int max=a;
    if(b>=max)
    {
        max =b;
        if(c >=max)
        {
            max =c;
            return max;
        }
        return max;
    }
    else if(c>=max)
    {
        max =c;
        if (b>=max)
        {
            max = b;
            return max;
        }
        return max;
    }
    else 
         return max;
}



int main() {
    float m ;
    int a,b,c;
    scanf("%d %d %d",&a,&b,&c);
    m = (float)Max(a+b,b,c)/(float)(Max(a,b+c,c)+Max(a,b,b+c));
    printf("%2f",m);
    return 0;
}