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

2 like 0 dislike
10.8k 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 | 10.8k 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:172.69.17.129
©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 | 10k views
12,783 questions
183,442 answers
172,219 comments
4,824 users