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:172.70.131.11
©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