0 like 0 dislike
8.7k 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 | 8.7k 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:172.69.6.124
©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
| 11.1k 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
| 1.9k 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
| 4.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users