0 like 0 dislike
16.1k views

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

 

[Exercise] Coding (C) - asked in Chapter 6: Loops by (5.2k points)
ID: 28913 - Available when: 2017-10-26 18:00 - Due to: Unlimited

edited by | 16.1k views

69 Answers

0 like 0 dislike
Hidden content!
** ** * *** ***
int main (void)
{
int a,b,c;
* ** * **** * ** * * ****
**** *** * *** * * ** *
while ( a % b != 0){
*** ** ** *** * ** * **
** * *** * * ** * * **
* ** * * * * **** ** ** *
}
*** * ** * *** *
* ** 0;
}
answered by (5.2k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
#include<stdio.h>
#define swap(a,b) { a^=b, b^=a, a^=b; }
int main(){
* ******* ** * * * * a,b;
* * ** * ** ** * ** GCD;
** * * ** ***** * ***** * ** ** * * %d",&a,&b);
* * ** * * *** * * **** **** swap(a,b);
* ***** *** * ****
**** ** ** ***** *** * ** ** *** *** * ***** * ** * *** * * **** * b:a);
** ** ** ** **** *** ****** * * ** * **** ** 0;
    }
* * * ** * ** * * **** **
* * * * * * * * * * *** ***** ** * * ** *** ** * *
* * * * *** * ** * * ** *** * ** ***** ** * ***
* * *** * ** ** *** * * *** * * * * * ** **
* ** * **** ** * * *
* * *** ** * * **** * * * * ***** * *
** ******** * * ****** 0;
}
answered by (-116 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main (void)
{
** ** * * ******** ** a,b,i;
**** * *** *** ** * **** * * ** ******* ** * * **
   if (b>=a)
   {
* ***** * * * * * *** ** * ** * * * * * **
** * * **** ** *** ** * ** ** *** **** ** ** /*|| (a%i==0 && b%i==0)*/ )
* * * * *** * * * * **
** * **** * ** **** * * * * ** * * * **** * (a%i==0 && b%i==0)
* **** * * ** * **** ** *** * * * *** * *
* *** ** * ** ** * ** * * * ** * *** *** * ** * * ** ** * * * * *
**** *** **** ** ***** **** ** * ** * *** *** * ** * *** *
** ** *********** * * ***** * * * ** ** ****
* * ** **** * ** * * ** ** * * * * ** * * *
* ***** * ** ** * * *
   }
   else
** * * ** **** ** *
* * *********** * *** * * *** * * * * * * /*|| (a%i==0 && b%i==0)*/)
******* * ** * * ** * ***
**** * **** ** * ** * *** * * ** ** * (a%i==0 && b%i==0)
* * * ** *** * * ** ** **** ** * * **
* ** * ** **** ** * * ** **** * ** * * ** *** ** * ***** ** *** **** *** *
* ** ** * * ** * **** * * * * *** ** * ** *** * * ** * *
** * * ** * **** * * * **** *** * **
* ** ** * * ** ** * * ** * * * * *** * *** * * *****
* *** *** ** ****** * * ***
   }

***** * *** * * * ** * * **** * ** printf("the GDC doesn't exist");
**** *** * * ***** *** 0;
}
answered by (-168 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
#include<stdio.h>
#define swap(a,b) { a^=b, b^=a, a^=b; }
int main(){
**** ** *** ** ** ** a,b;
****** * * * * ** * GCD;
* *** * ** * * * * ***** %d",&a,&b);
* * **** *** ** * * ** *** swap(a,b);
*** ** ** * ****
* ***** ***** * * * * * * * *** **** * *** *
** * **** * * * * **** * **** ** ** * *
* * * * **** * *** * ****** ** **** * *
* * * *****
* * * * **** ****** * * ** * * * * * *** **
* ***** * ** * ** * * * 0;
}
answered by (-116 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main (void)
{
** ** ** ** * a,b,c;
* ** ***** * ***** ***** * ("%d %d",&a,&b);
*** * * ** *** *** (a%b!=0){
* * ** ** * ** * * * * ** * **** *** * **
* ***** * * **** *** ** * * *** * *** **
*** ** * * ** * ** ** *** *** **
* ** * *** * *** * *
** ** *** * ** **** ** * *** * * ** *** *
**** ******** ** **** *** 0;
}
answered by (-204 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
****** * *** * * * * * *** a = 0;

* ** * ** ** * ** *** * b = 0;

* ** ** ** * ** temp = 0;

*** * ** ** * * ** *** * ** ***** * &a, &b);

* ** * *** ** * * * * ** a > b && a % b != 0)
*** * * ** * * * *** * *
*** ** ** ***** ** * *** * * *** **** * *** * = a % b;

* * ** *** ** * * * * ** *** *** * **** *** = b;

** ***** ** * * *** ** ** **** ** *** * ** * * * = temp;
* ** ** * * * *

* * * ***** * ** ** * a > b )
* ** ** *** *
** * * * * * ** * * ** ** ***** * * * ** ** ** * * **** ****** ** b);
** * * *** * ** * * * *

***** * * * *** ** ** *** a < b && b % a != 0)
**** *** * *
* ** * * **** * ** ** **** * **** *** * * = b % a;

********** **** ****** ** *** * * * * * * = a;

** * * *** * * ****** *** ****** = temp;
* *** * ** *

** ** * ** ** ** a < b )
* **** * * * ** * *
* * ** * *** * **** ******* * * ** ** ** * *** ***** a);
* *** ** *** * * ***
}
answered by (-285 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main(){
** * *** * * ** ***** i;
* * * ** * * * sum=0,counter=0;
* ** * *** ***** ** * ****** *** * *
* ***** ***** * {
* ** ** * * * **** * * * * * * ** * ****
* * * * *** ******* * *** ** * * * ** * i%10;
**** * ** * ** ****** ** * *** ** **
* * ** ** ** * *** * * *

** **** *** * * ** * *** ** ** %d",counter,sum);
* ********* **** ** * * * 0;
}
answered by (-116 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
** ***** * ******* *** a,b,i,max;
* ** ***** * *** * ** *** *** ** ** %d",&a,&b);
* * ** ** **** * * * **** * ** *** ** * *** ** **
* * **** ** * ******** * **
** * * * ********** ** * * * * ** ** *** **** * * **
********* ** * * ** ** * * * * * * ** *
***** * * * ** * * *
* * **** *** ******** ** * * * * ** * * *
* * **** ** ** *** * 0;
}
answered by (-108 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
    int x,y,i;
******** * * ** * ***** ** * %d",&x,&y);
**** * * * * ** *** * * *
* ** * ** * *** ** * *** *** * * * ** * ** * *
** ** ** * * ******** * ** * * * ****** **** * (;;y=i%y){
* * ** ** ** * * * ** * * *** *** *** **
** * ** *** * * ***** * * ** * * * * ****** * *** *****
*** **** * * ** **** * *
**** * ** * *** ** ** * * * ** *** * *
**** *** * * * * * * ** ** **** ** ** * * * (;;x=i%x){
* ** ********** * **** * ** ** **** *** *** * **
** * * * * **** * *** ** ******* * * * ** *** ** ***** **** ** * *
* *** ** ** * *** ** **** * 0;
}
answered by (-498 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
* * **** **** ** * **** * * a = 0;

****** ** * ** * ** b = 0;

** ** * * * ******* temp = 0;

* ******* * *** *** ** *** * ** * * &a, &b);

* *** * * ** ** ** ** *** a > b && a % b != 0)
* ** *** * * * *** * *
* *** * ** * ******** * ** ** * * * ** = a % b;

** **** ***** ** ********* ** * * *** = b;

* * **** *** * * * * ****** * *** ** * *** = temp;
* * * * *****

* * * ** * ****** * a > b )
** * ** * * * * **** **
**** * ** * * ******* * ** * * * * * * * * * **** * * ** * * b);
* ****** * * * ***** * ****

* ** *** * ** ****** a < b && b % a != 0)
** * ** ******
* * * * ** *** *** * * ** *** * ** ** * = b % a;

* ** * ****** * *** * ** * ** ** ** * = a;

* ** * *** * ******* ** * * ** ** * **** **** * = temp;
** **** ***** * * * *

* ** ** ** * *** ** ** a < b )
* ***** * * * * * ***** *** * *
* **** ** * ** *** * ******** ** * *** ** * * * ** * * a);
** * ** ** * * ***
}
answered by (-285 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:162.159.115.31
©2016-2026

Related questions

1 like 1 dislike
85 answers
[Exercise] Coding (C) - asked Oct 26, 2017 in Chapter 6: Loops by semicolon (5.2k points)
ID: 28914 - Available when: 2017-10-26 18:00 - Due to: Unlimited
| 21.3k views
0 like 0 dislike
10 answers
[Exam] asked Dec 9, 2017 in Midterm by thopd (12.1k points)
ID: 36752 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 3.8k views
1 like 1 dislike
36 answers
[Exam] asked Nov 15, 2017 in Midterm by thopd (12.1k points)
ID: 32707 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 9.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users