ex0416.cpp

来自「practice c++, it is from the book http:/」· C++ 代码 · 共 21 行

//  Programming with C++, Second Edition, by John R. Hubbard
//  Copyright McGraw-Hill, 2000
//  Example 4.16 on page 68
//  Using a sentinel to control a for loop

#include <iostream>
using namespace std;

int main()
{ // finds the maximum of a sequence of numbers:
  int n, min;
  cout << "Enter positive integers (0 to quit): ";
  cin >> n;
  for (min = n; n > 0; )
  { if (n < min) min = n;
    // INVARIANT: min <= n for all n, and min equals one of the n
    cin >> n;
  }
  cout << "min = " << min << endl;
}