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

2 like 0 dislike
19k 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 | 19k 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:172.70.80.197
©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 | 19.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users