0 like 0 dislike
18.2k 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 | 18.2k 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:104.23.243.108
©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
| 23.9k 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
| 4.3k 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
| 11.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users