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;}
#include<iostream> using namespace std; int main() { cout << "The size of int is&nb...
#include<iostream> using namespace std; int main() { int x=0; for(x=0;x<10;x++) { if(x==3) break;...