Untitled

#include <iostream> 
#include <string> 

using namespace std;

// Functie care verifica daca doua paranteze sunt corect inchise 
bool isMatchingPair(char character_1, char character_2)
{
	if (character_1 == '(' && character_2 == ')')
		return true;
	else
		return false;
}

// Functia recursiva pentru a genera siruri de paranteze corect inchise 
void generate_parantheses(int n, int open_brackets, int close_brackets, string str)
{
	if (close_brackets == n)
	{
		// print the generated parantheses string 
		cout << str << endl;
		return;
	}

	if (open_brackets > close_brackets) {
		generate_parantheses(n, open_brackets, close_brackets + 1, str + ")");
	}
	if (open_brackets < n) {
		generate_parantheses(n, open_brackets + 1, close_brackets, str + "(");
	}
}

// Driver code 
int main()
{
	int n = 3;
	generate_parantheses(n, 0, 0, "");
	return 0;
}