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

2 like 0 dislike
19.6k 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 | 19.6k 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:172.69.17.67
©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 | 19.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users