coin change-assignmnt

#include<iostream>
using namespace std;

int findMin(int n)
{
    int stamp[n+1];

    for(int i=0; i<=n&&i<=6; i++)
    {
        stamp[i] = i;
    }
    if(n>=7)
        stamp[7] = 1;
    if(n>=8)
        stamp[8] = 2;
    if(n>=9)
        stamp[9] = 3;
    if(n>=10)
        stamp[10] = 1;

    for(int i=11; i<=n; i++)
    {
        stamp[i] = 1+min( min(stamp[i-1],stamp[i-7]),stamp[i-10] );
    }
    return stamp[n];
}

int main()
{
    int n;
    cout<<"Value of Postage: ";
    cin>>n;
    cout<<endl;

    int ans = findMin( n );

   cout<<"Minimum stamp required: "<<ans<<endl;
    return 0;
}