0 like 0 dislike
13k 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 | 13k 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:108.162.241.161
©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
| 16.9k 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
| 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