编辑代码

#include <stdio.h>
int main()
    {
        int max(int x, int y);
        int a, b, c;
        scanf("%d, %d", &a ,&b);
        c = max(a, b);
        printf("max = %d\n",c);
        return 0;
    }

int max(int x, int y)
    {
        int z;
        if(x > y) z = x;
        else z = y;
        return(z);
    }