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

2 like 0 dislike
13.1k 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 | 13.1k 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:172.69.17.88
©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 | 12.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users