Work out by hand what the following code sequence produces for various
positive integer inputs.

See a few examples of program execution attached below

////////////////////////////////////////////////////////////////

#include<iostream>

using namespace std;

int main()
{
   int number;

   cout << "Type in a number - between 4 and 20:";
   cin >> number;

   for (int step = 2; step <=(number/2); step+=1)
   {
      int cycle = 0;

      cout << "Step " << step << ": ";
      do
      {
         cout << cycle << ' ';
         cycle = (cycle + step) % number;
      } while (cycle != 0);
      cout << cycle << endl;
   } // end for step
   cout << endl;
return 0;
}


  
//////////////////////////////
Results of running for some examples
bash 9$ a
Type in a number - between 4 and 20:4
Step 2: 0 2 0

bash 10$ a
Type in a number - between 4 and 20:5
Step 2: 0 2 4 1 3 0

bash 11$ a
Type in a number - between 4 and 20:6
Step 2: 0 2 4 0
Step 3: 0 3 0

bash 12$ a
Type in a number - between 4 and 20:7
Step 2: 0 2 4 6 1 3 5 0
Step 3: 0 3 6 2 5 1 4 0

bash 13$ a
Type in a number - between 4 and 20:8
Step 2: 0 2 4 6 0
Step 3: 0 3 6 1 4 7 2 5 0
Step 4: 0 4 0

bash 14$ a
Type in a number - between 4 and 20:11
Step 2: 0 2 4 6 8 10 1 3 5 7 9 0
Step 3: 0 3 6 9 1 4 7 10 2 5 8 0
Step 4: 0 4 8 1 5 9 2 6 10 3 7 0
Step 5: 0 5 10 4 9 3 8 2 7 1 6 0

bash 15$ a
Type in a number - between 4 and 20:13
Step 2: 0 2 4 6 8 10 12 1 3 5 7 9 11 0
Step 3: 0 3 6 9 12 2 5 8 11 1 4 7 10 0
Step 4: 0 4 8 12 3 7 11 2 6 10 1 5 9 0
Step 5: 0 5 10 2 7 12 4 9 1 6 11 3 8 0
Step 6: 0 6 12 5 11 4 10 3 9 2 8 1 7 0

bash 16$