C++入门 输出Hello World
#include <iostream>using namespace std;int main(){ cout << "Hello, world!" << endl; return 0;}
它等效于
#include <iostream>using namespace std;int main(){ cout << "Hello, world! \n"; return 0;}
#include <iostream>using namespace std;int main(){ cout << "Hello, world!" << endl; return 0;}
它等效于
#include <iostream>using namespace std;int main(){ cout << "Hello, world! \n"; return 0;}
首先让我们来看一个最简单的C++程序:#include <iostream> using namespace std; int main() { cout << ...
#include<iostream> void print(); int main() { char a=0; for(a=0;a<20;a++) print(); return 0; } v...