Pattern

 

#include <iostream>
using namespace std;
int main()
{
int i, j, k, l, n;
cin >> n;
for (i = n; i >= 1; i--)
{
cout << endl;
for (j = n; j > i; j--)
{
cout << j << " ";
}
for (j = 1; j <= 2 * i - 1; j++)
{
cout << i << " ";
}
for (k = i + 1; k <= n; k++)
{
cout << k << " ";
}

}
for (i = 2; i <= n; i++)
{
cout << endl;
for (j = n; j >= i; j--)
{
cout << j << " ";
}
for (j = 1; j <= 2 * i - 3; j++)
{
cout << i << " ";
}
for (k = i; k <= n; k++)
{
cout << k << " ";
}

}


return 0;
}


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