题解 | #小乐乐计算函数#

int max3(int x,int y,int z)
{
    int k = x>y?x:y;
    return k<z?z:k;
}
int main()
{
    int a,b,c;
    scanf("%d %d %d",&a,&b,&c);
    int k = max3(a,b,c);
    float m = 0.0;
    m=1.0*max3(a+b,b,c)/(max3(a,b+c,c)+max3(a,b,b+c));
    printf("%.2f\n",m);
    return 0;
}