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

2 like 0 dislike
13.2k 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 | 13.2k 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:172.69.6.2
©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 | 12.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users