0 like 0 dislike
16.1k 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 | 16.1k 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:104.23.243.165
©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
| 21.3k 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
| 3.8k 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
| 9.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users