0 like 0 dislike
12k 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 | 12k 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:172.70.80.233
©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
| 15.7k 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
| 2.7k 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
| 6.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users