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:108.162.216.30
©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