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

2 like 0 dislike
16.8k 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 | 16.8k 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:172.70.80.21
©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 | 16.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users