BreakContinueDEMO.cpp

//************************************************************************
// Author: Rolando Carreon
// Date: feb 25 2025
// Language: C++
// Assignment: BreakAndContinueDEMO
// Description: get positive numbers and total them - with and without
//              a break and with and without a continue
//************************************************************************

#include<iostream>
using namespace std;

int main()
{
    // declare local variables
    int sum, num;
    
    
    
    //break method
    // while loop with a break statment
    cout << "While loop with a break statment\n";
    
    // set the variables
    sum = 0;
    cin >> num;
    
    // while cin is valid continue getting numbers
    while( cin )
    {
        if(num < 0)  // negative number enetered
        {
            cout << "Negative number found in data.\n";
            break;
        }
        
        //add the number to the total and get the next number
        sum += num;
        //loops back to while
        cin >> num;
    }
    // display the total
    cout << "Total: " << sum << endl;
    
    
    
    
    
    
    // preferred method
    // while loop without a break statment
    cout << "While loop without a break statment\n";
    
    // set the variables
    sum = 0;
    cin >> num;
    
    // continue getting numbers untill a negative is enetered
    while( num >= 0 )
    {
        //add the number to the total and get the next number
        sum += num;
        cin >> num;
        
        if(num < 0)  // negative number enetered
            cout << "Negative number found in data.\n";
    }
    
    // display the total
    cout << "Total: " << sum << endl;
    
    
    
    
    
    // continue method
    // while loop with a continue statment
    cout << "While loop with a continue statment\n";
    
    // set the variables
    sum = 0;
    cin >> num;
    
    // while cin is valid continue getting numbers
    while( cin )
    {
        if(num < 0)  // negative number enetered // doesnt break, continues
        {
            cout << "Negative number found in data.\n";
            cin >> num;
            continue;
        }
        
        //add the number to the total and get the next number
        sum += num;
        cin >> num;
    }
    
    // display the total
    cout << "Total: " << sum << endl;
    
    
    
    
    
    
    
    //clear the cin error state
    cin.clear();
    cin.ignore(200, '\n');
    
    
    // continue method
    // while loop with a continue statment
    cout << "While loop without a continue statment\n";
    
    // set the variables
    sum = 0;
    cin >> num;
    
    // while cin is valid without continue getting numbers
    while( cin )
    {
        if(num >= 0) // positve number entered
            sum += num;
        else // negative number enetered
            cout << "Negative number found in data.\n";
        
        // get the next number
        cin >> num;
            
    }
            
        // display the total
        cout << "Total: " << sum << endl;
    
    return 0;
}