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

2 like 0 dislike
21.7k 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 | 21.7k 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:104.23.197.95
©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 | 22.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users