C++语言开发示例：04. do while循环

#include <iostream>

int main()
{
    using namespace std;
    int n;
    cout << "Enter numbers in the range 1-10 to find ";
    cout << "my favorite number\n";
    do
    {
        cin >> n;
    } while (n != 7);
    cout << "Yes, 7 is my favorite.\n";
}