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

2 like 0 dislike
10.8k 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 | 10.8k 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:172.69.17.140
©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 | 10k views
12,783 questions
183,442 answers
172,219 comments
4,824 users