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:104.23.243.164
©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