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

2 like 0 dislike
11.8k 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 | 11.8k 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:172.71.254.197
©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 | 10.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users