give_me_a_number.cpp

来自「the source of dev_c++ most of them for 」· C++ 代码 · 共 33 行

// Give Me a Number
// Demonstrates default function arguments

#include <iostream>
#include <string>

using namespace std;

int askNumber(int high, int low = 1);

int main()
{
    int number = askNumber(5);
    cout << "Thanks for entering: " << number << "\n\n";
    
    number = askNumber(10, 5);
    cout << "Thanks for entering: " << number << "\n\n";

    return 0;
}

int askNumber(int high, int low)
{
    int num;
    do
    {
        cout << "Please enter a number" << " (" << low << " - " << high << "): ";
        cin >> num;
    } while (num > high || num < low);

    return num;
}