0 like 0 dislike
12.9k 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 | 12.9k 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:172.69.59.98
©2016-2025

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
| 16.8k 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
| 3k 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
| 7.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users