#include<stdio.h>
int search(int list,int n,int x);
int main(void)
{
    int n,x,i,index,a[10],b,list;
   printf("Input n:");
   scanf("%d",&n);
   printf("Input %d integers:",n);
   for(i=0;i<n;i++)
       scanf("%d",&a[i]);
   printf("Input x:");
   scanf("%d",&x);
   b=search(list,n,x);
   
   if(b!=-1)
       printf("index=%d",index);
   if(b=-1)
       printf("NO FOUND");
   return 0;

}
int search(int list,int n,int x)
{  
    int i,a[10],index;
    for(i=0;i<n;i++)
        if(x==a[i])
            index=i;
        else
            index=-1;
        return index;
}