0 like 0 dislike
7.8k 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 | 7.8k 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:172.71.255.87
©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
| 10k 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
| 1.8k 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
| 4.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users