编辑代码

/*#include <stdio.h>
int main(void)
{
    int n1,n2,a;
    
    puts("请输入两个整数。");

    printf("整数1:");	scanf("%d",&n1);
    printf("整数2:");  scanf("%d",&n2);
    printf("整数3:");  scanf("%d",&n3);

    //min=n1;
    if(n1>n2)
        a=n1-n2;
    else
        a=n2-n1;

    printf("差值是%d。\n",a);
    
    return 0;
}*/

#include <stdio.h>
int main(void)
{
    int n1,n2,n3;
    puts("请输入三个整数。");

    printf("整数1:");	scanf("%d",&n1);
    printf("整数2:");  scanf("%d",&n2);
    printf("整数3:");  scanf("%d",&n3);

    if(n1==n2&&n2==n3)
        printf("三个值都相等。\n");
    else if(n1==n2||n1==n3||n2==n3)
        printf("有两个值相等。\n");
    else
        printf("三个值各不相等。\n");
    //min=(n2<n1)?n2:n1;
    //min=(n3<min)?n3:min;

    //printf("最小值是%d。\n",min);
    return 0;
}