#include<iostream>

using namespace std;

int main()
{

    return 0;
}

inline void pswap(int *x, int *y) { swap (*x , *y) ; }

void rswap(int &x, int &y)
{
    int temp = x;
    x = y;
    y = temp;
}

int *reverseArray(int *arr, int len)
{
    int five[] = { 10,20,30,40,50 };
    arr = five;
    len = sizeof(five)/4;
    for(int i = 0; i < len/2; i++, len--)
        swap(*(arr+ i),*(arr + len));

    return 0;
}

int* search( int a[ ], int n, int target )
{
   int *p;
   int i;
   p=a;

for(i=0;i!=n;i++)
{
   if ( *p==target )
     return p;
     p++;
}
return '\0';
}