//bài 6:
#include <iostream>
using namespace std;
int SequentialSearch(int x, int a[],int n)//tim kiem tuan tu
{
    int i =0;
    while ((i<n) && (a[i]!=x))
    {
        i++;
        if(a[i]==x)
        return i;
    }
    return 0;
}
void Nhap(int a[],int n)
{
    for(int i=0;i<n;i++)
    {
        cout<<"a["<<i+1<<"]= ";
        cin>>a[i];
    }
}
void Xuat(int a[],int n)
{
    cout<<"Xem mang: ";
    for(int i=0;i<n;i++)
    cout<<endl<<a[i];
}
int main ()
{
int a[100], x,n;
cout<<"Nhap n: ";
cin>>n;
Nhap(a,n);
Xuat (a,n);
cout<<endl<<"Nhap x can kiem tra: ";
cin>>x;
int m= SequentialSearch(x,a,n);
if (m==0) cout<<"khong tim thay";
else cout<<"tim thay";
return 0;
}