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

2 like 0 dislike
22.8k 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 | 22.8k 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:104.23.197.65
©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 | 23.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users