10-19 Exercise 3: Prints the number with its digits reversed

2 like 0 dislike
12.6k views

Write a program that input four-digit number, then prints the number with its digits reversed .

寫一個輸入4位數字，反轉輸出這個數字的值

Example input: 

5455

Example output:

5545

Example input: 

5400

Example output:

45
[Exercise] Coding (C) - asked in Chapter 4: Expressions by (12.1k points)
ID: 27669 - Available when: Unlimited - Due to: Unlimited
edited by | 12.6k views

64 Answers

0 like 0 dislike 
Hidden content!
*** **  *  *      
int main()
{
*     ** ***    * * a,b,c,d;
*  * ***  *** *    *  *   ** *  * *** **  *  * * * *  *  *      * ***
** *  * *  * *   *    **
  {
 ******* ******  * *    * *** *** **    **  ** *  **  ** *  
  }
 *** * *  *    ***
  {
**    ***     * * ** * ******* *  ******   **    *  **  * ** * 
  }
 *** **   **  * **
***  *   *  *  
   * *   * * **** *   *  *** * *  *  **  *** * ** ***     **
  }
***  *** *     *  *
    ** *    * 
* ** ** **   * **  * * * ** *  *     *  * ** *  *** * *   *   ** ****** 
  }
* *** *  ***   0;
}
answered by (-255 points)
1 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
  *  *  ** * **   *****
int main(){
    **** ***     *  ** ** *     str[4];
 * *   ** *   ** * * *  * * *** ***  *   ******* *   *  **
     * *****  * ******* ** ***** 
**  *     * **   ** ****   *   * ****     *** ****  *   
* **  * ********* * * **  0;
}
answered by (-116 points)
0 1
prog.c: In function 'main':
prog.c:5:13: error: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[4]' [-Werror=format=]
     scanf("%s",&str);
             ^
prog.c:6:5: error: implicit declaration of function 'strrev' [-Werror=implicit-function-declaration]
     strrev(str);
     ^~~~~~
cc1: all warnings being treated as errors
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main()

{
** ** * ** ****** *** **  a,b,c,d;
  * * *      **    *   *** * **** * **  *  * * *   *  *      *  ** * ***  *****  * *   

* *** * *  * * **  ****  (d!=0)
 * ** *******  *  *  ** *   **   
***    * * *   ** ** *   **  **   * ** **** ******  **  *   * * ******  ** * *   * * *  
    }

 ***   * *     *** *** **  ** (c!=0)
 ** **** ***  * ** *     ** * *
 *     * * *        *** *    ** * ** * * *  *    ** *     *  (d==0)
  * * *   * * *        **     **   **  ** * *** * **   **  * *    * *  * ** **** 
  **  ****  ****  **

****** *   *  *** *   ***  *** *  (b!=0)
*   *  *** **   ****   ***
   *******    *** * *  ***** *  **    ****   *  **  **  ** (d==0 && c==0)
   ****** *** *   ** *      *  * *** ** ****    * *** ****   * ** ** *  ** 
    }



*** ** **  *   **   * * *   **  0;
}
answered by (-249 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include * ***  ****     
#include   ****    * ******* *

int input[4];
int digit;
int output = 0;
int i;
int main(){

   * ** ****  ** *  **  *       * * **** **   *  **  *** * ****   **** * * *  ** * ** ** * **  

**   * **** *     **** **** += input[0]*1;
** ** ***  *   *  **** **  * +=    ****
*        * * *** *      * ****  *    +=    **  
  **           ***  *        ** += * ** *    *


  *  **  **     * *  *  *    * * **  *  ***     
 * **    ******  * *     *  ** 0;
}
answered by (-286 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include  ***  * * * ** *
#include *   ** ***** *** 

int input[4];
int digit;
int output = 0;
int i;
int main()
{

* * *    ****  *     * ** ***   *        ***   *   *   *** *   * *  ***  *  ** **  *  ****** *  *

*      ***   *  *   *** *  *  ** **  ***
 * ** ** *** **  **** * *  ** **   * ** ** *   *   *  **  ** += input[i]*pow(10,i);
* *   * * * *    * ***** * *    

 ***     * *** *****      **  ** * ** * **    *** *
  **** ****  * ********  ** ** *  0;
}
answered by (-286 points)
0 0
prog.c: In function 'main':
prog.c:14:28: error: implicit declaration of function 'pow' [-Werror=implicit-function-declaration]
         output += input[i]*pow(10,i);
                            ^~~
prog.c:14:28: error: incompatible implicit declaration of built-in function 'pow' [-Werror]
prog.c:14:28: note: include '<math.h>' or provide a declaration of 'pow'
cc1: all warnings being treated as errors
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main()
{
*  * ** *  ***    **  ***** a,b,c,d;
**  *   *   ** ** ***  * ****  *   *   **** * *  ******* * *  * *  *** **** **
    if
 *  * ***** *  *     * * *   **  ***    *    * * && c==0 && d==0)

* **     ** * *           **     ******* *    ** *  * *  *****    **  *    

****  * * ** * * *    * * ** if

* **** ****** **  *  ***  * ** * * *  ***    *  ****  * && d==0)

  **    ****** ****** *  *   *** ***   **** ***   **** ****** *     ***    * *  

* * *****    *  * *** * *  *  * ****  if

   *  **  *  ***      **    * * ***** **    * *   **   * *****

*     * * * *    **** ***  *  *  * ** *     * * ** ***   ** *     **   * * *

  **  *   * **  * **** ***  

 **     **    **   **    **   * *** *  *** *** * **   * ***** ************* ***   ** *

* ****     **** *  * *  *  **  * 0;
}
answered by (-196 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include  *  *** *  **  * * 

int main()
{
***  * * a, b, c, d, e, f, g, h, x;
  * ******   *  *** * * ***** **    *   ** ** &b **  * **    ** * 
*** * *** **  **** * *
  *      * *  ** * ** *
**   *** ** **  * 
** ***  * *  
* * **** **** **  
  ** **  * *   * ** * *       
* ***  * * *  0;
* ** *
answered by (-66 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include  * ** *** * *
int main ()
{
 *** ** **** **  *  *  ** *   n, reversed_number = 0, remainder;
  * **    *    ***   ** * * *  * * ***** &n);
** * *   *** *  *      *  **  * * (n != 0)
* **   ** * * *   ** ** *   ****
 ** * ***    *  **** * * **** * * *  *   **  *  *  *  *****  = n%10;
  ***  ****  **   **   **  *****  ***  *** * ***   * *  *  **  = ***  *    * * * + remainder;
** **  **  **** *  * ** *   **** ** *** ** ******  **     /= 10;
   *  *   * **    ****** *
*** **  ** * **  **    * **  * *  * *** * **  * reversed_number);
* *    ***  ** *** **   ***  *  ** 0;



}
answered by (-140 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
 * *** ** ***   ** 
int * *  ** 
int num; 

  *** ***      ***    *  
 * *     *** *  *  ****  *** * 
*   *   *  * ***   **  **  
 **  ** *  
***     *  **    *     
***
} 
* ****  *    * ***** 
return 0; 
}
answered by (-141 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdlib.h>

using namespace std;

int main()
{
  *    * *  *    * * ***  *  ** * x;
   ** ** *  *    **  **  ** *  *****   *  ***** ***
*  ******     *  * ******  **  *  **  ** **** **  **   *    ** * ** * *  ** * **            
 ** * * ** ***** *  ** * * **   ****  *  **  * ******  * *     ** **  *
**  * * *  *** * ******** *  * **   * *  ***  * ** ** ** ** ***     *  *      *  ***** *** **       
* *   * ***** *** *  ***  * *** ***  *  **********
 *** * *  * *** * **  * * **   ****  ***  *  *  *  *  * *   * *** * * **  *  ****    *** ;
**     ****** *    ****** * *  
 **  *  * * * *    * **   ***** 0;
}
answered by (-141 points)
0 0
prog.c:3:1: error: unknown type name 'using'
 using namespace std;
 ^~~~~
prog.c:3:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'std'
 using namespace std;
                 ^~~
prog.c: In function 'main':
prog.c:7:5: error: unknown type name 'string'
     string x;
     ^~~~~~
prog.c:8:11: error: 'cin' undeclared (first use in this function)
     while(cin>>x){
           ^~~
prog.c:8:11: note: each undeclared identifier is reported only once for each function it appears in
prog.c:10:24: error: request for member 'length' in something not a structure or union
         for(int i=0;i<x.length();i++){
                        ^
prog.c:11:22: error: request for member 'length' in something not a structure or union
             re[i]=x[x.length()-i-1];
                      ^
prog.c:13:9: error: 'cout' undeclared (first use in this function)
         cout<<atoi(re)<<endl ;
         ^~~~
prog.c:13:25: error: 'endl' undeclared (first use in this function)
         cout<<atoi(re)<<endl ;
                         ^~~~
commented by (4.3k points)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.17.132
©2016-2025

Related questions

1 like 1 dislike
85 answers
10-26 Exercise 2: Displays the number of its digits and their sum
[Exercise] Coding (C) - asked Oct 26, 2017 in Chapter 6: Loops by semicolon (5.2k points)
ID: 28914 - Available when: 2017-10-26 18:00 - Due to: Unlimited | 11.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users