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Theatre stats program

Splaterfix (5)
I don't know why my age groups are not working.
Here is a sample output.
from ages 31 - 40 there should be 2 people and yet it only counts 1.
Any ideas?

==========================
Theatre Stats Program
==========================
Movie theater snacks available for purchase
==========================================
1 - Soft Drink(such as Coca Cola, ICCEE, Mineral Water etc...)
2 - Popcorn
3 - Nachos
4 - Soft drink & Popcorn
5 - Soft drink & Nachos
6 - Organic and Gluten - free snacks
7 - None
==========================================
please enter age of attendees (-1 to quit): 34
please select the number of the snack item you would like to purchase: 4
please enter age of attendees (-1 to quit): 16
please select the number of the snack item you would like to purchase: 5
please enter age of attendees (-1 to quit): 68
please select the number of the snack item you would like to purchase: 6
please enter age of attendees (-1 to quit): 53
please select the number of the snack item you would like to purchase: 6
please enter age of attendees (-1 to quit): 39
please select the number of the snack item you would like to purchase: 1
please enter age of attendees (-1 to quit): 23
please select the number of the snack item you would like to purchase: 2
please enter age of attendees (-1 to quit): 21
please select the number of the snack item you would like to purchase: 3
please enter age of attendees (-1 to quit): 21
please select the number of the snack item you would like to purchase: 4
please enter age of attendees (-1 to quit): -1

==============================
Theatre Stats Program Results
==============================
The total number of attendees is 8
The average age of the attendees is :34.38
Lowest age was: 16
highest age was: 68


ages 0-18: 1
ages 19-30: 3
ages 31-40: 1
ages 41-60:1
ages 60 and up: 1

Theatre concession stand sales
=========================================

Soft Drink(such as Coca Cola, ICCEE, Mineral Water etc...): 1
Popcorn: 1
Nachos: 1
Soft drink & Popcorn: 2
Soft drink & Nachos: 1
Organic and Gluten - free snacks: 2
None: 0
==========================================

Process returned 0 (0x0) execution time : 43.319 s
Press any key to continue.


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#include <iostream>
#include <iomanip>
using namespace std;
int main()
{
    int  age, age1 = 0, age2 = 0, age3=0, age4=0, age5=0, sum = 0,  counter = 0, snack = 0, low, high;
    int snack1 = 0, snack2 = 0, snack3 = 0, snack4 =0, snack5 = 0, snack6= 0, snack7 = 0;
    double average = 0;

      cout << "==========================" << endl;
      cout << "   Theatre Stats Program  " <<endl;
      cout << "==========================" << endl;





        cout << "Movie theater snacks available for purchase" <<endl;
		cout << "==========================================" << endl;
		cout << "1 - Soft Drink(such as Coca Cola, ICCEE, Mineral Water etc...)"<<endl;
		cout << "2 - Popcorn" << endl;
		cout << "3 - Nachos" << endl;
		cout << "4 - Soft drink & Popcorn" << endl;
		cout << "5 - Soft drink & Nachos" << endl;
        cout << "6 - Organic and Gluten - free snacks" << endl;
		cout << "7 - None"<< endl;
		cout << "==========================================" <<endl;







    cout << "please enter age of attendees (-1 to quit): ";
    cin>>age;


    while (age != -1)
    {

                    if (counter ==0)
                    {
                        high = age;
                        low  = age;
                    }
                    else
                    {
                        if  (age < low &&  age != -1)
                             low = age;

                        if
                            (age > high && age != -1)
                            high = age;
                    }




       cout << "please select the number of the snack item you would like to purchase: ";
       cin>> snack;

       switch(snack)
        {
            case 1:
                    snack1++;
                    break;


            case 2:
                    snack2++;
                    break;


            case 3:
                    snack3++;
                    break;

            case 4:
                    snack4++;
                    break;

            case 5:
                    snack5++;
                    break;

            case 6:
                    snack6++;
                    break;

            case 7:
                    snack7++;
                    break;

            default: cout << "Invalid Input try again and chose from 1 - 7"<<endl;
        }

       counter++;
        sum+= age;
           cout << "please enter age of attendees (-1 to quit): ";
           cin>>age;

                    if (age>=0 && age<=18)
                    {
                        age1++;
                    }

                    if (age>=19 && age<=30)
                    {
                        age2++;
                    }
                    if (age>=31 && age<=40)
                    {
                        age3++;
                    }
                    if (age>=41 && age<=60)
                    {
                        age4++;
                    }
                         if (age>=61)
                    {
                        age5++;
                    }

    }
    cout<<fixed<<showpoint<<setprecision(2)<<endl;

      cout << "==============================" << endl;
      cout << " Theatre Stats Program Results " <<endl;
      cout << "==============================" << endl;





    cout << "The total number of attendees is " << counter << endl;
             average=static_cast<double>(sum)/counter;


    cout << "The average age of the attendees is :" << average << endl;
    cout << "Lowest age was: "  <<  low << endl;
    cout << "highest age was: " << high << endl;
    cout << "                                     "<< endl;
    cout << "                                     "<< endl;



    cout << "ages 0-18: " << age1 <<endl;
    cout << "ages 19-30: " << age2 <<endl;
    cout << "ages 31-40: " << age3 <<endl;
    cout << "ages 41-60:"  << age4 <<endl;
    cout << "ages 60 and up: " << age5 <<endl;
    cout << "                                     "<< endl;


        cout << "Theatre concession stand sales" <<endl;
        cout << "========================================="<< endl;
         cout << "                                     "<< endl;
        cout << "Soft Drink(such as Coca Cola, ICCEE, Mineral Water etc...): " << snack1 <<endl;
		cout << " Popcorn: " << snack2 <<endl;
		cout << "Nachos: " << snack3 <<endl;
		cout << "Soft drink & Popcorn: " << snack4 <<endl;
		cout << "Soft drink & Nachos: " << snack5 <<endl;
        cout << "Organic and Gluten - free snacks: " << snack6<<endl;
		cout << "None: "<< snack7<<endl;
		cout << "==========================================" << endl;






    return 0;


}
Zivojin (132)
Every programmer must be able to know how to debug a program.You can find many tutorials online and debugging is of vital importance when you are making some more complex stuff.Put a breakpoint
somewhere and start looking in a watch window how your variables are changing.Believe me ,you will learn much more about programing if you know how to correctly debug your program.
coder777 (8444)
The problem is line 36. The value is overwritten on line 101.
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