0 like 0 dislike
17.6k 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 | 17.6k 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:104.23.197.65
©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
| 23.1k 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
| 4.2k 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
| 10.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users