编辑代码

#include <stdio.h>
int search(int k,int a[10],int n)
{
    a[0]=k;
    int i=9;
    while(a[i]!=k)
              i--;
    return i;
}

int main () 
{
    int a[10]={0,23,56,6,87,24,16,19,21,29};
    int k;
    printf("请输入你要找的值:");
    scanf("%d",&k);
    a[0]=k;
    int i=9;
    while(a[i]!=k)
              i--;
    printf("%d的位置是: %d\n",k,search(k,a,10));
    return 0;
}