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:104.23.243.164
©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