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:172.69.17.140
©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