三个数的最大值的求解

#include<stdio.h>

int main ()

{int a,b,c,max;

printf("please input a,b,c：\n");

scanf("%d,%d,%d",&a,&b,&c);

max=a;

if (max<b)

max=b;

if (max<c);

max=c;

printf("The largest number is %d\n",max);

return 0;

}