题解 | #小乐乐计算函数#

#include<stdio.h>
int max3(int a, int b, int c) {
    a = a > b ? a : b;
    a = a > c ? a : c;
    return a;
}
int main() {
    int a = 0, b = 0, c = 0;
    scanf("%d %d %d", &a, &b, &c);
    double m = 0;
    m = 1.0*max3(a + b, b, c) / (max3(a, b + c, c) + max3(a, b, b + c));
    printf("%.2lf", m);
    return 0;
}