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

2 like 0 dislike
15.8k 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 | 15.8k 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:108.162.241.239
©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 | 14.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users