0 like 0 dislike
13.1k 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 | 13.1k 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:172.70.80.26
©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
| 17.1k 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
| 3.1k 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
| 7.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users