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

2 like 0 dislike
21.1k 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 | 21.1k 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:162.159.115.9
©2016-2026

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 | 21.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users