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