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

2 like 0 dislike
16.2k 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 | 16.2k 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:108.162.241.32
©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 | 15.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users