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

2 like 0 dislike
16.4k 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 | 16.4k 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:172.70.111.109
©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 | 15.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users