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

2 like 0 dislike
24.9k 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 | 24.9k 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:104.23.197.65
©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 | 25.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users