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