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

2 like 0 dislike
20.8k 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 | 20.8k 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:162.159.115.31
©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 | 20.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users