题解 | #小乐乐计算函数#

#include<stdio.h>
int returnMax(int a, int b, int c)
{
    int x=a>b?a:b;
    int y=b>c?b:c;
    int z=x>y?x:y;
    return z;
}
int main()
{
    int a=0;
    int b=0;
    int c=0;
    scanf("%d%d%d",&a,&b,&c);
    double m=(returnMax(a+b,b,c)*1.0)/(returnMax(a,b+c,c)+returnMax(a,b,b+c));
    printf("%.2f\n",m);


    return 0;
}