#include <iostream>
using namespace std;

// Names: _____________________________
// CSC 115: Lab 6: [30 points]
// ANSWER BY REPLACING THE BLANKS _____ with the appropriate C++ code
// Write your name in the blank indicated and paste the output at the end of the program.

int main()
{
   int j ;
   // The following code is supposed to write out the integers 1, 2, 3, 4, ..., 20. 
   // Decide what should go in the blanks.
   cout << "Integers 1, 2, 3, 4, ..., 20:" << endl;
   j = ___;
   while ( j <= ___)
   {
      cout << j << " ";
      j = j + ___;
   }
   cout << "\n\n";


   // The following code is supposed to write out the integers 0, 2, 4, 6 one number of each line. 
   // Decide what should go in the blanks. 
   cout << "Integers 0, 2, 4, 6 printed vertically:" << endl;
   j = ___;
   while ( j <= ___)
   {
      cout << j << ___;
      j = j + ___;
   }
   cout << "\n\n";


   // The following code is supposed to write out the integers 10, 11, 12, 13, 14, and 15.
   // Decide what should go in the blanks. Do NOT replace the '<'
   cout << "Integers 10, 11, 12, 13, 14, and 15:" << endl;
   j = ___;
   while ( j <  ___)
   {
      cout << j << " ";
      j = j + ___;
   }
   cout << "\n\n";



   // The following code is supposed to write out the integers 2, 1, 0, -1 .
   // Decide what should go in the blanks.
   cout << "Integers 2, 1, 0, -1:" << endl;
   j =  ___;  
   while ( j >= ___)  
   {
      cout << j << " ";
      j = j ___  ___;
   }
   cout << "\n\n";


   // The following code is supposed to add up all positive integers that the user enters.
   // After the last integer to be added, the user will enter a 0.
   int value;             // data entered by the user
   int sum = 0;           // initialize the sum
   // get the first value from the user
   cout << "Enter positive integers to add up (enter 0 to quit):";
   cout << "Enter a positive integer: ";
   cin >> value;
   while ( value ___  ___ )    
    {
      //add value to sum
      __________________;

      //get the next value from the user
      ______________________;
      ______________________;
    }
    cout << "Sum of the integers: " << sum << "\n\n";



   // The following code is a simple for Loop that counts from 1 to 38
   cout << "Counting from 1 to 38:" << endl;
   for (int i = ___; i ___ ___; i = i + ___)
   {  
      cout << i << " " << endl;
   } 
   cout << "All Problems Done!" << endl;

   return 0;
}

/*
Output pasted below:

*/