0 like 0 dislike
18.8k 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 | 18.8k 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:162.159.115.9
©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
| 25k 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
| 4.5k 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
| 12.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users