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