0 like 0 dislike
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 | 9k views

69 Answers

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: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
#include * * * * *
int main()
{
** * ** * ** * * *** * n1, n2, i, gcd;
** * *** * * * ** ******* *** &n1, *** *

* * *** *** ** * * ***** i <= n1 * * * * i <= n2; ++i)
* * *** *** * * ** **
*** ** ** ** * ** * ***** ** * ** Checks if i is factor of both integers
***** * * * * *** ** * *** ** ** ** * ** * ** ** n2%i==0)
**** * ** ** * * *** * ** ** * * * * *** * = i;
* *** *** ** * * *

* * * * * * *** ** *** ** ** *** * ** gcd);

*** *** ** **** * * * 0;
}
answered by (-140 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct 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: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct 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: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main (void)
{
* * * *** **** ** ** * * a,b,i;
* * * * ** * * *** ** * ** *** %d",&a,&b);
   if (b>=a)
   {
** * * **** ** ** * * *** ** *
** ** * ** ****** ** ** * **** * *** *
** * ** ** * ** ***
* * * ** * ** * **** * ** * ** ****** (a%i==0 && b%i==0)
**** * ** * * **** ** ** ** * *
* ** *** ** * ** * * * ******* ** * *** * ** ** ** ********* ** * *** * * * ** * * *
* * ** * * * * * * * * *** ** *** ** * **** * *** ** * *** * ***
* * *** *** ** **** * * ** *** * ******** * *
* ***** * ** * *** * * *** ***** ** * ***** * * *
*** * *** * *
   }
   else
   {i=b;
** * *** ** ****** * * * ****** * * ** *
* * ***** ** ***** ** *
** **** ** * * *** ** * ** * * * ** (a%i==0 && b%i==0)
* * *** * ** ** * * * * **** ** ** ** **
** * * * **** * ** * * * * ** * ****** * ** * ** * ** * *** * * **** **
*** * ** * ****** * ** **** *** **** * * ** * **** * * * *
* ** **** * * * * * * * ** * * * * ** * ** *
* **** * ** ** * ******* * ** * * * * ** *
* * * ***** * * * * **
   }
* * *** * * ** **** * * 0;
}
answered by (-168 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
*** * *** * * ***
int main (void)
{
int a,b,c;
* * **** ** ** *** **
*** * * ********
while ( a % b != 0){
* * * * ** * ** ***** **
**** ********* * * * ** **
* ** * *** * ** ** ** * *
}
* ** * ** ****
** * 0;
}
answered by (-127 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct 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!
** ** ** * ** ***** * *
int main * *
{
int *
** * * * ******** * ** * ****
* * * (a%b != 0){
* **** *** **** *** ** = a%b;
*** * ** * * *** ** = b;
* ** ** * **** * * * = c;
}
*** *** * ***** *
* 0;
}
answered by (-255 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
* * * * ** * *




* ** ** *
{



* * * **



** * *** ** *** * * *

** * a * * ******** * * * a * * ** * *

* * ** ***** * ** * * *

**

*

* ***** * * ***** *



* ** ****** * ** * **

}
answered by (-107 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
** * **** ** ** * a, b, c=0, d;
* *** * * * *** **** ** *** * %d", &a, &b);
* * *** * ** ** * ** = a;
* * * ** * * **** (a == b)
******** * ** * * ** * *** * **** ** * *** ** **** ** a);
** ** * ** * * ** *** * ** (a > 0 && a != b)
* *** **** * * *** ****
* *** ** * * ***** ** *** * ** * ** ** * * (c == 0)
* *** ***** * *** **** *** * * * ** ** * * ** * ** *** * * = b;
** * ** * * ** * * * * * * * * * ** ** * ** -= 1;
*** * * ** ****** * ***** * *** * * **** *** += 1;
**** *** * ** * * **** ** * *** ** * ** *** (b % a == 0 && d % a == 0)
** * * * *** ** * * * ***** * * * ** ***
**** **** * ** ** * ** ** *** ***** * ** *** ** * * ** * ** ** ** * * * a);
** * ** *** ** ** ** *** * *** *** *** * * **** * * ** ******** *
* *** * * ** * * ** ** * * * ***** * *
* * ** * ** **** * *
** ** *** * * * ** * ** 0;
}
answered by (1.1k 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:172.70.130.221
©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
| 11.8k 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
| 2.1k 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
| 5.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users