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

2 like 0 dislike
22.1k 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 | 22.1k 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:104.23.197.64
©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 | 22.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users