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