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

2 like 0 dislike
16.4k 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 | 16.4k 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:172.69.59.97
©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 | 15.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users