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

2 like 0 dislike
12.7k 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 | 12.7k 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:172.70.131.163
©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 | 11.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users