简单数据选择结构

#include <stdio.h>

int main() {
    float a, b, c, t;
    scanf("%f%f%f", &a, &b, &c);
    if (a < b) {
        t = a;
        a = b;
        b = t ;
    }
    if (a < c) {
        t = a;
        a = c;
        c = t ;
    }
    if (b < c) {
        t = b;
        b = c;
        c = t ;
    }
    printf("%f,%f,%f", a, b, c);


    return 0;
}