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:172.70.126.8
©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