C语言解答

#include<stdio.h>
int main()
{   char a[1111];

          while(gets(a)!=NULL){
         printf("%s",a);
     printf("\n");}

     return 0;
}

C++解答

#include <iostream>
using namespace std;
int main(){
    char t;
    while((t=getchar()) != EOF)
      putchar(t);
    return 0;
}

Java解答

import java.util.Scanner;public class Main{public static void main(String[]args){Scanner i=new Scanner(System.in);i.useDelimiter("\\A");System.out.println(i.next());}}

Python解答

from sys import stdin
for a in stdin:
    print a,