0 like 0 dislike
14.8k 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 | 14.8k 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:172.69.58.167
©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
| 19.4k 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
| 3.5k 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
| 8.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users