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

2 like 0 dislike
17.9k 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 | 17.9k 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:172.71.254.169
©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 | 17.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users