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

2 like 0 dislike
12.6k 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 | 12.6k 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:108.162.216.235
©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 | 11.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users