pr0306.cpp

来自「practice c++, it is from the book http:/」· C++ 代码 · 共 17 行

//  Programming with C++, Second Edition, by John R. Hubbard
//  Copyright McGraw-Hill, 2000
//  Problem 3.6 on page 51
//  Processing a user's age

#include <iostream>
using namespace std;

int main()
{ int age;
  cout << "Enter your age: ";
  cin >> age;
  if (age < 18) cout << "You are a child.\n";
  else if (age < 65) cout << "You are an adult.\n";
  else cout << "you are a senior citizen.\n";
}