0 like 0 dislike
6.3k 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 | 6.3k 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:172.71.255.47
©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
| 8.1k 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
| 1.4k 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
| 3.5k views
12,783 questions
183,443 answers
172,219 comments
4,824 users