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

2 like 0 dislike
18.9k 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 | 18.9k 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:172.71.120.164
©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 | 19k views
12,783 questions
183,442 answers
172,219 comments
4,824 users