Thread: Need Help with loop

  1. #1
    Registered User
    Join Date
    Jan 2002
    Posts
    2

    Angry Need Help with loop

    #include<iostream.h>

    void print_menu(int choice);

    int main()
    {
    cout<<"Rodeo Snack Bar.\n";

    int choice;

    cout<<"Which Items Would You Like?\n";
    cout<<"1-Sandwich.\n";
    cout<<"2-Chips.\n";
    cout<<"3-Brownie.\n";
    cout<<"4-Regular Drink.\n";
    cout<<"5-Large Drink.\n";
    cout<<"6-Cancel This Sale & Start Over.\n";
    cout<<"7-Total This Sale.\n";
    cin >> choice;

    print_menu(int choice);

    switch(int choice)
    {
    case 1:
    cout<<"$2.99";
    break;
    case 2:
    cout<<"$1.50";
    break;
    case 3:
    cout<<"$.75";
    break;
    case 4:
    cout<<"$1.50";
    break;
    case 5:
    cout<<"$2.00";
    break;
    case 6:
    cout<<"Cancel The Sale";
    break;
    case 7:
    cout<<"Total The Sale";
    break;
    }

    return 0;
    void print_menu(int choice)

    Ok, here is my program so far..The thing is, i need it to total the whole sale until the choice 7 is chosen, i have asked my teacher, but he doesn't help much. Any help woul dbe appreciated.

    Thanx

  2. #2
    &TH of undefined behavior Fordy's Avatar
    Join Date
    Aug 2001
    Posts
    5,793
    Code:
    double subtotal = 0;
    
    ........
    
    switch(int choice) 
    { 
    case 1: 
    cout<<"$2.99"; 
    subtotal += 2.99;
    break; 
    case 2: 
    cout<<"$1.50";
    subtotal += 1.50;
    
    .........
    Just keep a running total and add to it in your switch statement....

    then at the end of the code you have your total

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