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

2 like 0 dislike
17.4k 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 | 17.4k 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:172.69.130.52
©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 | 16.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users