Answer Posted / gobicsk

#include <iostream>
using namespace std;

const int n = 20;
long result[n];

int fibonacci( int m )
{
if( result[m] > 0 )
// We already computed it.
return result[m];

int answer;

if( m == 0 )
answer = 0;
else
if( m == 1 )
answer = 1;
else
answer = fibonacci( m - 1 ) + fibonacci( m - 2 );

// Save answer for re-use.
result[m] = answer;
return answer;
}

int main()
{
fibonacci( n );

cout << "\n Fibonacci Series \n";

for( int i = 0; i <= n; i++ )
cout << "\n Fibonacci(" << i << ") = " << result[i];

}

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