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

2 like 0 dislike
10.5k 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 | 10.5k 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:172.70.131.165
©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 | 9.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users