初学者，求解答，c语言

Question

Answer 1

#include <stdio.h>

int main()
{
    int i;
    float a[4];
    scanf("%f,%f,%f,%f",&a[0],&a[1],&a[2],&a[3]);
    float min = a[0];
    for(i = 1;i < 4;i++){
        if(a[i] < min){
            min = a[i];
        }
    }
    printf("%f", min);
    return 0;
}