squarePus.cpp

void displayCoupleOfNumber(int n){
	int b = 0;
	int tmp = sqrt(n);
	int a = tmp;
	while(true){
		if(a<=0 || b >= tmp){
			break;
		}
		if(a*a + b*b < n){
			cout << "(" << a << ", "<< b<< ")" << endl;
			cout << "(" << b << ", "<< a<< ")" << endl;
			b++;
		}else{
			a--;
			b = 0;

		}

	}
}