0 like 0 dislike
17.4k 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 | 17.4k 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
| 23k 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
| 4.2k 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
| 10.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users