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

2 like 0 dislike
20.7k 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 | 20.7k 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:162.159.115.32
©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 | 20.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users