//File: debug.cpp
//in-lab debugging exercise

#include <iostream.h>
#include <limits.h>     //for INT_MAX

const int SENTINEL = 0;

void main(){
  int salary = 1,         //current salary being processed
    maxSalary = 0,        // largest salary read so far
    minSalary = INT_MAX;  //smallest salary read so far        

  //display header
  cout << "enter salary in 1000s of dollars (0 to exit): ";

  //driver loop
  while(salary != SENTINEL){
    //prompt and read
    cout << "\nEnter salary: ";
    cin >> salary;
    //new max?
    if(salary > maxSalary)
      maxSalary = salary;
    else if (salary < minSalary)
      minSalary = salary;
  }
  
  //display results
  cout << "\nSalary range = " << maxSalary - minSalary 
       << " thousand dollars\n\n" ;
}