11-01 Exercise 2: Find out all the factors of N

Question

Write a program that asks the user to type an integer N and find out all the factors of N and display it on screen.

寫一個程式 輸入一個整數N，找出N的所有因數

Example input 1

10

Example output 1

1 2 5 10

Example input 2

24

Example output 2

1 2 3 4 6 8 12 24

 

Answer 1

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#include  * *     *   *
#include * **** *  ****

int main()
{
 *  **  *   ** ** *** num = 0;

  **  **   * * *   i = 0;

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**   ***  *  **** = 1; i <= num; i++)
      **     *    
 *     **     *      ***   ***  *   *  *    *  * *  * *  *   % i == 0)
 * * *** **  * * *** **  **        **  **  **    ***** 
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* *****  * ***  * ********* **  ****  **** ** * ****   ***
* *** ******  **  * *  
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

Answer 2

Hidden content!
#include <stdio.h>

int main ()
{
  * **** **   *  * *      N,a=1,b;
    *****    * *  **   ** *** * *     *     ** * *  *** *

 **    ***  * ***        *    * (N>=a)
***** *  *  **     *   * ***  **
* **** * ***  * ** *    **  *   * *     *   *      *
*    * *  ***  *** *   ** * ** **** *** * ** * * **  *  *** (b==0)
***  **  * *  *  ****   ******    ** ******** * *   *  *  
 **   * *     *** * **** *  *  ** *    * ** * *    **   ***    * **   ** * *** *  ** * ",a);
* **       *****  **  ****** * *  **  *** * * *   **
* *   ** *  **  ***     *** ***   **** * **   ******* * *  
    }
* **  *      *  *****       * * 0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output