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Current File : /home/jwang/public_html/recursion.cpp
//
// Recursive function
//

#include <iostream>

using namespace std;

int sum(int);

int main()
{	int n;
	cout << "Input for n: ";
	cin >> n;

	cout << sum(n) << endl;
	cout << "\n\nBye-bye.\n\n";
	return 0;
}

int sum(int n)
{
	if(n==1)
		return 1;
	else
		return n + sum(n-1);
}

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