Looping practice
-----------------


Problem 1: Write a program that will take in a number from the user and print the reverse of that number. Eg input: 1234 -> output: 4321

int number = 0;
int reverse = 0;

cout << "Please enter a number: ";
cin >> number;

while ( number != 0 )
{
	reverse = (reverse * 10) + ( number % 10 );
	number /= 10;
}

cout << "The reverse is: " << reverse << endl;


Problem 2: Write a program that takes in two numbers from the user and prints a star pattern in a rectangular form
The first number will be the number of rows
The second number will be the number of columns

int numberOfRows = 0;
int numberOfCols = 0;

cout << "Please enter the number of rows: ";
cin >> numberOfRows;

cout << "Please enter the number of columns: ";
cin >> numberOfColumns;

for(int r= 0; i < numberOfRows; r++)
{
    //Used to iterate over columns of each rows
    for(int c = 0; c < numberOfColumns; c++)
    {
        cout << '*';
    }
     
    //Move to the next line/row
    cout << endl;
}


Problem 3: Write a program that takes in a number and prints a pyramid star pattern. 
The pattern for 5 would look like this:
    *
   ***
  *****
 *******
*********


int number = 0;
cout << "Please enter a number: ";
cin >> number;

for(int i=0; i < number ; i++)
{
    //Prints trailing spaces
    for(int j = 0; j < number-i-1; j++)
    {
        cout << ' ';
    }
    
    //Prints the pyramid pattern
    for(int j = 0; j < (2*i + 1 ); j++)
    {
        cout << '*';
    }
    
    cout << endl;
}