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

2 like 0 dislike
15.7k 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 | 15.7k 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:172.69.130.59
©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 | 14.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users