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

2 like 0 dislike
12.8k 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 | 12.8k 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:172.70.100.196
©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 | 12k views
12,783 questions
183,442 answers
172,219 comments
4,824 users