Hello World!

 1 #include <cstdio>
 2 #include <iostream>
 3 using namespace std;
 4 int main()
 5 {
 6     printf("Hello world");
 7     puts("Hello world");
 8     cout << "Hello world" << endl;
 9     return 0;
10 }

 纪念,进驻博客园第一天。

原文地址:https://www.cnblogs.com/9pounds15pence/p/6349435.html