#include <iostream.h>
#include <math.h>

void msquare(int x);
void rnum(int x);
int lcm(int valx,int valy);

void main(void) {

	char choice;
	int x,y;
	
	cout << " [M] Magic Squares "<< " \n";
	cout << " [R] Reverse Numbers " << " \n";
	cout << " [L] Least Common Multiples " << " \n";
	cout << " [Q] Quit " << " \n\n";
	cout << "Please enter your choice --> ";
	cin >> choice;
	switch (choice) {
		case 'M': case 'm':
			cout << " How many magic squares do you want --> ";
			cin >> x;
			msquare(x);
			break;
		case 'R': case 'r':
			cout << " Please enter a number to reverse --> ";
			cin >> x;
			break;
		case 'L': case 'l':
			cout << " Enter the smaller value of the two --> " << " \n";
			cin >> x;
			cout << " Enter the greater value of the two --> " << " \n";
			cin >> y;
			cout << " The least common multiple is " << lcm(x,y) << " \n";
			break;
		case 'Q': case 'q':
			break;
		default:
			cout << "Invalid Choice.\n";
			break;
	}
}

void msquare(int x)
{

int z = 4,found = 0,count = 0,ourint = 2;
while(found < x)
{
	long square = pow(ourint,2.0);
	long total = 0;
	for (int g = 1; g < square;g++) {
		total += g;
	}
	if (total == square) {
		cout << "Magic square " << found << " : " << ourint;
		found++;
	}
	ourint++;   
}
}

void rnum(int x)
{
        int num = 0, b = 5;
        cout << "Reversed Number is : ";
        while(b > 0)
                {
                cout << x % (10 * b);
                b--;
                }
}

int lcm(int x,int y)
{
        int lcmnum = 0;
        int c = 1;
        while (lcmnum <= 0)
        {
        if (c % x <= 0 && c % y <= 0)
                {
                lcmnum = c;
                }
        c++;
        }
        return lcmnum;
}