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

2 like 0 dislike
2.6k 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 | 2.6k 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:172.69.58.131
©2016-2024

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 | 2.6k views
12,783 questions
183,443 answers
172,219 comments
4,824 users