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

2 like 0 dislike
10.5k 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 | 10.5k 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:172.70.131.165
©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 | 9.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users