0 like 0 dislike
18.8k 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 | 18.8k 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:104.23.197.64
©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
| 25k 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
| 4.5k 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
| 12.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users