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

2 like 0 dislike
21.1k 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 | 21.1k 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:162.159.115.9
©2016-2026

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 | 21.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users