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

2 like 0 dislike
17.9k 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 | 17.9k 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:172.69.214.204
©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 | 17.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users