题解 | #小乐乐计算函数#

#include <stdio.h>
#include<stdlib.h>
int max(int A ,int B ,int C);
int main() 
{
    int a=0,b=0,c=0;
    int max1 = 0,max2 = 0,max3 =0;
    double m = 0.0,devide = 0.0,be_devided = 0.0;
    scanf("%d %d %d",&a,&b,&c);
    max1 = max(a+b,b,c);
    max2 = max(a,b+c,c);
    max3 = max(a,b,b+c);
    devide = (double)(max2+max3);
    be_devided = (double)max1;
    m = be_devided/devide;
    printf("%.2f",m);
    return 0;
}
int max(int A ,int B ,int C)
{
    int max = 0;
    if(A>B)
    {
        max =A;
    }
    else {
    max = B;
    }
    if(C>max)
    {
        max =C;
    }
    return max;
}