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

2 like 0 dislike
19.1k 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 | 19.1k 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:172.69.130.93
©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 | 19.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users