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

2 like 0 dislike
12.3k 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 | 12.3k 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:172.70.127.192
©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 | 11.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users