Question

How to use function overload with different number of parameters in C++

Answer 1

#include <iostream>

using std::cout;
using std::endl;

int add(int n) {
	return n + 1;
}

int add(int n, int m) {
	return n + m;
}

int main() 
{
	cout << add(2) << endl;
	cout << add(5, 6) << endl;

	return 0;
}

/*
run:

3
11

*/

 

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