輸入一百個變數,找最大值程式

#include"stdafx.h"
#include"iostream"
using namespace std;
int main()
{
 cout << "Please input  value" << endl;
 cout << "Please input z to escape" << endl;
 int value=0, counter=0, max=0;
 while (counter <= 100)
 {
  cin >> value;
 
  if (value > max)
  {
   max = value;
  }
  else if (value == 'z')
  {
   break;
  }
  counter = counter + 1;
 }
 cout << max;
 return 0;
}