#include<stdio.h>
#include<stdlib.h>
//67.输入数组，最大的与第一个元素交换，最小的与最后一个元素交换，输出数组。
void input(int a[10])
{
    int *p;
    printf("input ten number!\n");
    for (p=a; p< a+10; p++)
    {
        scanf_s("%d", p);
    }
}
void max_min(int a[10])
{
    int *max=0, *min=0, *p,*p_end;
    p_end = a + 9;
    int temp = 0;
        for (p = a+1; p < a + 10; p++)
        {
            max = min = a;
            if (*max < *p)
            {
                max = p;
            }
            else if (*min > *p)
            {
                min = p;
            }
        }
        temp = *max;
        *max = a[0];
        a[0] = temp;
        temp = *min;
        *min = *p_end;
        *p_end = temp;
}
void output(int a[10])
{
    int *p,i=0;
    for (p = a; p< a + 10; p++)
    {
        printf("a[%d]=%d\n",i,*p);
        i++;
    }
}
int main()
{
    int a[10];
    input(a);
    max_min(a);
    output(a);
    system("pause");
}

int *max=0, *min=0