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:108.162.216.240
©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