7-5欢迎信息

import java.util.Scanner; public class S7_05 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("hello " + sc.nextLine()); } } #include<iostream> #include<string> using namespace std; int main(){ string str; while(cin>>str){ cout<<"hello "<<str<<endl; } return 0; }