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

2 like 0 dislike
24.9k 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 | 24.9k 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:104.23.197.64
©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 | 25.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users