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

2 like 0 dislike
18.8k 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 | 18.8k 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:108.162.241.32
©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 | 18.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users