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

2 like 0 dislike
13.2k 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 | 13.2k views

64 Answers

0 like 0 dislike 
Hidden content!
#include *    * **  * ***
int main()
{
  * ***  *    *  ** ***   * *
  *  * *  ** *******    *    a,r;
     *    * ****  * * ***  * **   ***    ******** &a);
  *  * **  *  ***** ***** = (a % 10)*1000;
*  *  *** *  *   * * **** * = r + ((a % 100)/10)*100;
*     *  * ****     * ***** = r + ((a % 1000)/100)*10;
***    * **** ***** * * *****  = r + (a/1000);
 * ***  *   **  *  *** ***  *     *  **  *** *   r);
*  *  ** ** ** ** ** * *    **  0;
***  **   * * **   ****  *  
** ***  **   ** ***    * *   
  *    ***     **   *** ** 
***  ***  * ** * ** ** * *** 
* * *** *  ** * * ***   *   * **  0;
}
answered by (-168 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 like 0 dislike 
Hidden content!
#include *  * ****  *  *   
int main()
{
 * * * * *  *  ***  ***  * ***** n, reversedNumber = 0, remainder;

*  ** ** *****      * * *  * **  **  *****   an integer: ");
 **    * ** * ** ***       * * * ** *** ** ** *   &n);

**   * * * ** *   *** ***** *  **  ** != 0)
   **  *       *  *  *
* *  * * *   * *  *  ** * ******   * * **   ** ** *  *** *** *** = n%10;
  ** ***** * ******* *  ** *********   *** * ** ** *   *   =  *   ** ** * + remainder;
* **  ** * *  **** ** *  *     * **  * *  * ** **  *       * *** /= 10;
   * *       ** *** * * * **

 **    **    **** **  *     ** ***   *  ** *         *   
return 0;
}
answered by (-167 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 like 0 dislike 
Hidden content!
#include<stdio.h>
int main(void)
{
** * * ****   * *  * * ***  ** tab[5],i;
*  *  ** *  ** *** **  ** *  ** * 
*       * *    *  *  * **
** ** * *** ***    *** *    * ***** ***  ***   **   *** ** *  ** ** * * **  *    *** *** *  
   *   * ** *  **  * **  *
  *   * * ****  ***  *    ** * *     (i=4;i>=0;i--)
    {
****    **    * ** *  ***     *   ** *   *   * ***  **  ****  * ****  *  * *
 *****     *** ***    ** *   
** * ** ** * *****    **     0;
}
answered by (-168 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 like 0 dislike 
Hidden content!
#include<stdio.h>
int main(void)
{
**  *  **  **** * *** *  tab[5],i;
****  * *    *  **   ***  ***  ***    **  ** ** ** * 
    *   **   * * *  *
 ***   *    * *  **  ** ** *  ** *  **   *  ** ****  * *        **** *** * * **       
********  *  *** ** *   **
**   *  *   * ***  **  * *******  (i=4;i>=0;i--)
 ** * **     *   ** **   *  
* *  *** ******* * ***  *   * ***  ** * ** * ****   ** * ** ****   ",tab[i]);
*** **  ** *  ** *  * *
*  *    **  ****** **  **** *** ** 0;
}
answered by (-168 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 like 0 dislike 
Hidden content!
#include * ** *  *   *
int main()
{
 **  *  *** *** ** ** * **   * n, reversedNumber = 0, remainder;
*  * ** **    * ** * *** *   *  ** ** **  * * ** &n);

* *** **   * *** *  ** * * *** * * != 0)
  **    * **  **  *** **  *  *
*** *    *    ******    *** * *  ******* ***  * *** * * **  = n%10;
     ****    * ***   *       * ** *  *     ***  ** * **** *  = reversedNumber*10 + remainder;
 ** ** ** *** * * ****  *    **  **   *       **** * /= 10;
* * * *        *****  *** *  

 ** *** * * *** * ** ***  ** *  *       *   **   reversedNumber);

*** *   * *****   ******   0;
}
answered by (-233 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 like 0 dislike 
Hidden content!
#include <stdio.h>
int main()
{
**   *   **   *    **   a,b,c,d,rev;
 ** **    **  *** * * * ***  ** **    * * *  *  *** **     ***  * ****** *  **
**  *   ** *     ****   *    **    *
** **     ******* * **** * ** **    *  ** *  
 * *   * * * ***** * *  *    0;
}
answered by (-32 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 <stdio.h>
#include * **** * ** * * *

int main()
{
** ** **  *** * **  * * *** * n, reverse = 0;

  ** **  *** ***      * ** *****    * ** ******* * &n);

 **  ***  **** ******** **  * * *   (n != 0)
** *****  *****    ** ***** * *
**** ** **  ** *    * ** *   *   **   *  **   *     *  **   = reverse * 10;
*   *** * **   *** ****  **     **   *     **     ** **  ***  *  = reverse + n%10;
 *** *   *      * *     ********   *  ***  ** ** **    ** ** **  ** **   * **   * ** * * **  **** n/10;
*   ***  ** * ** ** *    

***      ****  * ** *** ****    *          *  * * *   reverse);
 * *******      ***  **    ** 0;
}
answered by (-168 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 like 0 dislike 
Hidden content!
  **  **  *   ** ***
int main(void){
int num;

 * *  **  *  *** * *    *     *  *  
*** ****  ** * * **** *** 
*  * **     ***  *    ******* **** **
while(num!=0){ **  * *  * * 
**    * * * ** ** ** **** *  **  *  * * *       **   *   
num/=10; ** ***** ** ***   *  *  *** * ** ***
}
**        ******    **
return 0;
}
answered by (-32 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 like 0 dislike 
Hidden content!
#include<stdio.h>
int main()
{
 *  * *     * *  ** *** * * ***    a,b,c,d;
*   *** *     *  * *  ** * *** * ** * **  **       *  *  * ** * *   *    * **  ** **
  * **** **** ** *   *  (d==0 && c!=0)
 ** *  ** ***  *****    *  ****
* **   ***  *  ** **   *  ****** * *   * *  *   *** ****** ***   * **   *   * 
  * **   *     **    *
** * *** ***    * *  *  * * *  if (d==0 && c==0 && b!=0)
  ***  **  * * **    **  * 
*    * *     * * *  * * *   ***  * *  *   *  *    *****  **   * ** ** * * * 
 *    * *   * *    * **    *
*** *  * * * * *  * ****  if (d==0 && c==0 && b==0 && a!=0)
  **   *   ***** **    * ** *
  **     *** *  ** * ******  **  *  ***  *** *  * *** *  **  *      **  *** 
* *  *  * *  * ********    **
**  ****     * ** * *  **   **** *** if (d==0 && c==0 && b==0 && a==0)
* **   *     **   *  *** **
 ******  * ****   * *   * ***** * *  **** **            *  *   * ****  *  
***  *   *  ** ***** *  
* *   ***   * * *  ** *  *    ** if (d!=0)
**  ** ** *  **  * * *  
*   **    *    * *****  * *    **  *  **** **   ***   *   * ** ****   *   * ** * *  **** *     
*****     * * ** * * ** * * 
}
answered by (-214 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 like 0 dislike 
Hidden content!
#include<stdio.h>
int main()
{
* *  **  ** ****    *  * *  a,b,c,d;
   *** ** ****   ***  ** *       **** **** * **    **   ** * *   **    *  **  *** *** 
* ** **      * ** ** **** *  *** (d==0 && c!=0)
   * ***  *** ****** * 
** *   ***** ****** * ********   ** ** * **  ******** *    * *  *    * * *     * *  * 
*****  **  ****  * ******* *   
* * *   *****     **  if (d==0 && c==0 && b!=0)
 * *   *     ** * * *
   *  * *   *  *  *  * **** ***** ** * *********  *  *  * * * ***     *   * * ** ***   ** * 
******** ***  ***   ****    ** 
 *  **   * *   * *     *      if (d==0 && c==0 && b==0 && a!=0)
*** *  **  ** **  * *  * * *   ** 
    ** *  ***  **  *  *  * * ****   * * ****  *   ****  *   *     ** * *    *
**   ***  * * ** * *    *  
*  **     *       *  * *****  if (d==0 && c==0 && b==0 && a==0)
  ** * *  **  ******  **
* * ******   * **  ****      ** *      ** *** **   *  ** ** ***   * *    ** *** **
**       *  ** * * *     *
*  * * *** ** * * ** ** *  **  if (d!=0)
*      *    *** * *  * **  *
**** ** *** *  * * ** * **  **** *  **** *    * *****    *  **  *   *  *  *** *        **
***  ** **** *  * * ***** 
}
answered by (-214 points)
0 0
prog.c: In function 'main':
prog.c:20:16: warning: too many arguments for format [-Wformat-extra-args]
         printf("&1d",a);
                ^~~~~
commented by (4.3k points)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.6.2
©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 | 12.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users