0 like 0 dislike
14.9k 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 | 14.9k 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:172.70.80.4
©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
| 19.6k 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
| 3.6k 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