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!
* *** ** ** ** **
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:172.69.6.100
©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