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

2 like 0 dislike
21.1k 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 | 21.1k 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:162.159.115.9
©2016-2026

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 | 21.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users