0 like 0 dislike
17k 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 | 17k 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:162.159.115.10
©2016-2026

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
| 22.5k 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
| 4.1k 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
| 10.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users