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:172.69.59.171
©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