C++控制台问题

这似乎是一个简单的问题，但我只是无法弄清楚是什么让我的控制台快速打开和关闭？我在我的main（）函数中包含system（"PAUSE"）。

程序信息：该程序适用于电影院票务系统，该系统显示哪一排的哪些座位可用（如您在多维数组中看到的那样）。

有人知道为什么控制台不会保持打开状态吗？我在编译器中没有收到任何错误消息。

#include <iostream>
#include <fstream>
using namespace std;
using std::ifstream;
void Init();
void Display();
void SellTicket();
void ReadPrices();
 char tickets[15][20];
 int revenue = 0;
 int ticketsSold = 0;
 int prices[15];
 int main()
 {
Init();
ReadPrices();
int choice;
    cout << "Enter your choice: " << endl;
    cout << "Press 1 for Display Chart" << endl;
    cout << "Press 2 for sell ticket" << endl;
    cout << "Press 3 for exit" << endl;
    cin >> choice;
    cout << endl;
    switch(choice)
    {
    case 1:
        Display();
        break;
    case 2:
        SellTicket();
        break;
    case 3:
        exit(0);
        break;
    }
system("PAUSE");
return 0;
 }

 void Init()
 {
for (int row = 0; row < 15; row++)
{
    for (int col = 0; col < 20; col++)
    {
        tickets[row][col]='*';
    }
}
 }

 void Display()
 {
cout <<"Seats:t0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19"<<endl;
for (int row = 0; row < 15; row++)
{
    cout << "Row"<< row << "t";
    for (int col = 0; col < 20; col++)
    {
        if(col < 10)
            cout << tickets[row][col] << " ";
        else
            cout << tickets[row][col] << "  ";
    }
    cout << endl;
    cout << endl;
}
cout << "Total sold seats are: " << ticketsSold << endl;
cout << "Total revenue is: " << revenue << endl;
cout << endl;
 }
 void SellTicket()
 {
int rowNo,seatNo;
//while(1)
//{
    cout << "Enter Row Number:";
    cin >> rowNo;
    cout << endl;
    cout << "Enter Seat Number:";
    cin >> seatNo;
    cout << endl;
    if (tickets[rowNo][seatNo]=='#')
    {
        cout << "Ticket is not available " << endl;
        cout << endl;
        SellTicket();
    }
    else
    {
        tickets[rowNo][seatNo]='#';
        revenue+=prices[rowNo];
        ticketsSold+=1;
        char c;
        cout << "Would you like to sell another ticket? Press y for yes or      n for no: ";
        cin >> c;
        cout << endl;
        if (c=='y')
        {
            SellTicket();
        }
    }
//}
 }
 void ReadPrices()
 {
int count=0;
ifstream indata; 
int num; 
indata.open("prices.dat"); 
if(!indata) 
{ 
  cerr << "Error: file could not be opened" << endl;
  exit(1);
}
indata >> num;
while ( !indata.eof() ) 
{ 
    prices[count++]=num;
  //cout<< "The next number is " << num << endl;
  indata >> num; 
}
indata.close();
//cout << "End-of-file reached.." << endl;
 }