0 like 0 dislike
8.7k 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 | 8.7k 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:172.70.194.145
©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
| 11.1k 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
| 1.9k 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
| 4.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users