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