Classes don't inherit friends and subclasses can't access base class's private members

its because you are missing the while part of a do while loop
do {

} while (some condition);

java and javascript are not the same, the only thing they share is the c like syntax. Java and JavaScript are 2 completely different languages

surely you mean convert string to an integer using atoi()?

not that I know of

What do you mean it doesn't work?, you are going to have to be more specific

#include<iostream>
#include<conio.h>
using namespace std;


int main()
{
int n;
int vote = 0;
//const int limit=50;

its supposed to be int main() not void main() and its alot easier to read if you declare your variables at the beginning of the function

we don't give answers to homework here, if you have a problem with some code then we can help

remove the semi colon on line 22, you don't need semi colons after flow controls

system("\"C:\\Documents and Settings\\myUser\\myProject\\app.exe\" -vb \"C:\\Documents and Settings\\myUser\\file.txt\"");
it should be
system("C:\\Documents and...