10-26 Exercise 1: Calculates and displays the GCD of 2 integers

Question

Write a program that asks the user to enter two integers, then calculates and displays their greatest common divisor (GCD).

寫一個輸入兩個整數 輸出它們的最大公因數程式

Hint: Use Euclidean Algorithm

使用歐幾里得演算法

Example input: 

12 28

Example output:

4

 

Answer 1

Hidden content!
#include<stdio.h>

int main(){

 *** ** * *** *  *   **   *** a,b,i,max;

 *  *  ***     *  *   * **** ** ****  *   **  **     *  *** *** 

** *    **  * *** *  *   * ***** **  **      ** * ***
*  *   *  *    **** **
*  *   ** **        *****  * *** *  *** **  **  * *** *  **  ** ***   * * * *      **      * 
**  ** ** * **  * * **  * * *     ** * *   **    ** ** ***     **     **  ****  *   
    }

 * *  **  * *  *  * *** ** * *    ****  * * **  

 *  **    ** *  * **  ** **  ** 0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

Answer 2

Hidden content!
  *** ** **   * * 
int ** * 
{
int      
***  **  ******** ** * * * *
** ****** *  * * * * *** 
 **** (a %  * 
{
 *  
a=b;
  **
}
****  ****  * * **
 *** 0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

Answer 3

Hidden content!
# include<stdio.h>
int main(void)
{
**** * ** ***** *   *  *** **   a,b,c;
* * ***   ************ **   * *  **   * * * * **  * 
 * *    *  *  ** *** ** *  * *     **     ****  * **  
*   **  **   * *  * ****  *  ** * **   (a % b!=0)
    {
 **  ***   *** ** *** *  ***  **   **** *** *   *** *** *
****   ** **   ** * *       ******* *    ***    *  
****** *** **  *  ***  * *  ******  ***  **  *  * * * * **  *  
**  ***   * *    **** *
 **    *  * *     *   *** * ** * *** **  *  * * *
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

Answer 4

Hidden content!
  *  ** *     *  *
int main (void)
{
int a,b,c;
   **  ** *   **    *  * 
*  **  *    *   *****   *   
while ( a % b != 0){
    * **   * *    *   *** ***    * 
***    **  * ** ****** *  *** *
  * ** ** * *    ** * **   
}
 * * * *** **** * **** 
*  *** 0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

Answer 5

Hidden content!
# include<stdio.h>
int main(void)
{
*    ****    ** *** * *** **** a,b,c;
 * *  *****  *** * *      * *    ** * *   * * **   *
**    *** *   ** * ** **** *     *    * ** *** **
 ******** **  *  *** *  **  (a % b!=0)
    {
*  *   * *   *  * *  * * *  *  * ***   * * *  *   * ****
    * ****     * *** *  ***   ** ***** * *   ** ** * *   **   *  * 
   *    ***  ***** **  * ******   **  **  ** *        * *
***   *  ****  *   
******* *   * * * * * * *   ** **  *    *   *  
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

Answer 6

Hidden content!
 ** * *   * ***   ** *
int main (void)
{
int a,b,c;
* *  *   *  * * *  **** **  ***
* ***  ** **     * *  * *  
while ( a % b != 0){
* *  ****  ****     **   **  * *  
  * * ***  ** ***  *  **   *** 
** *    *****   *  **   *   * * * 
}
 * ** ****  ******  * **  
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

Answer 7

Hidden content!
  ***      **** *  *
int main * ** 
{
int   
*   *  *   *  * * * *  *  ***   ** * * 
* * (a%b != 0){
***** ***  *    *** ***   ***     = a%b;
****   ** **  **** ***   *    = b;
  * *** * * * *  * * *  *  * = c;
}
    **  * *  ** *   * *
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

Answer 8

Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
***  *   *  ** ** *  ** * a,b,i,max;
 ** *  ** *** * *  *     *  *** * **** **  %d",&a,&b);
**    **  *** ***  *** **  **** *   ****** * *    *  * *   *****  * ** *
 **** ** *** ** *   * ***   *   * **
       *  * ** * **   *   *** **  * * ** ** * * * * *  ** * *    ***** **  *  
   ** *    **     *     ** **     *  * *   *   ** *   ** * * * *
***** **    *      *  * *  * *

* **  * ***   *  * *  *   * * *  ** *** *   ****** *****   *  *      ***         
   * *  ***  * ** ** **** **** 0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output

Answer 9

Hidden content!
#include <stdio.h>
#include    **  * * **** **
int a,b;
int i;
int GCD=0;
int remainder1=0;
int main(){
     *    * *** ** *** *    ***    **** * * *******  ****  ****   
******** *        **** * *** **  (b!=0){
***  ***   * *     **     * *   ** *** *   * *  * *****  * * *****  * 
****     * ***   ** ***      *  *** *  *  **   *  * 
*  **  **   *    * *  ** * *  * *   ****    * ***  *     **
***** *   *    ****  * *** 
*** ** **  *  * ** * * *** * (a==0){GCD=b;}
*   ** *  * *  * ****  ****** ** (b==0){GCD=a;}
 * * ****  ***    *     * *** * **  *  *   *   *    *
   * *  *  ********  *  **  ***** 0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output

Answer 10

Hidden content!
#include  * *   **** **** **
int main (void)
{
 ******** * *  ** * **   ***  a,b,remainder;
 *  ** *  * * ** * ** ** *    * ***    %d", &a,&b);

   **   ** *       *  *   *** *  (b != 0){
 *****  *   * *  * * ****** *  ** ** * *** **   *** ***** = a % b ;
 ****  ***     *** **** *****    * *  * * **** * * * * = b ;
 *** ** **   ****  ****     **** ** **   *     *   = remainder ;
  * * *** *  *  * * * *  *  *

* *        **   ******** ** * *** **      

** *  **    *** *** ******   0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output