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

2 like 0 dislike
16.4k 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 | 16.4k 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:172.69.17.67
©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 | 15.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users