题解 | #小乐乐计算函数#

#include <stdio.h>

int max3(int x, int y, int z)
{
    int max = 0;
    max = x > y ? x:y;
    max = max > z ? max:z;
    return max;
}

int main() 
{
    int a, b, c;
    scanf("%d %d %d",&a, &b, &c);
    max3(a,b,c);
    printf("%.2f",(float)max3(a+b,b,c)/(max3(a,b+c,c)+max3(a,b,b+c)));
    return 0;
}