0 like 0 dislike
15.2k 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 | 15.2k 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:104.23.197.194
©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
| 20k 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
| 8.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users