0 like 0 dislike
17.6k 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 | 17.6k 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
| 23.1k 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
| 4.2k 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
| 10.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users