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the do statement in C++

eatsbugs
eatsbugs asked
on
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Last Modified: 2010-04-01
can anyone tell me what is wrong with this code?:

#include <iostream>
#include <stdlib.h>

using namespace std;

void mainMenu();
void subMenu1();

int main(int argc, char *argv[])
{
  cout << "This is a James Phillips design and production.\n\n";
 
  mainMenu();
 
  return 0;
}

void mainMenu(void)
{
    int num;
   
    cout << "1. Pythagorean Theorem";
    cout << "\n2. Quadratic Equation";
    cout << "\n3. Distance Formula";
    cout << "\n4. Midpoint Equation";
    cout << "\n5. Geometric Formulas";
    cin >> num;
 do {
    switch(num) {
    case '1':
    cout << "One";
    break;
    case '2':
    cout << "Two";
    break;
    case '3':
    cout << "Three";
    break;
    case '4':{
    subMenu1();
    break;}
    case '5':
    cout << "Five";
    break;
    }}}

void subMenu1(void)
{
    cout << "This is a subMenu...\n";
    system("PAUSE");
}
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