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

2 like 0 dislike
16.5k 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 | 16.5k 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:162.158.154.114
©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 | 15.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users