0 like 0 dislike
16.3k 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 | 16.3k views

69 Answers

0 like 0 dislike
Hidden content!
#include<stdio.h>
int main()
{

** * * ** * * **** *** n,n2;
* * * *** * * ** * i;
* * * * * *** * * *** * min,gcd;

******* ***** * *** ** * ** ** *** * ** &n,&n2);

* * ** * ************ * *
    {
*** * * ** * * ** * ** *** ** *

* *** ******* ** * ** ** ******* ** * *** ** *** * * *** **** *** * ***
**** * * ** * * ** * {
** * ** ** ******* ****** ** **** * * **** *
** *** * ****** **** ** * **** **** * * ** * * * ** * ** ** *

** * * * ** * ** * * ** i=1;i<=min;i++)
    {
* * **** *** * * * * *** **** * ** ** * ******
** *** * * ** * * ** ** *** *** ***
* ** ** **** **** ** * * * * ** * * ** *** ** *** ** ****** * **
************ **** ** * ** * ***
* ** * * ** * *

** * * * * * *** * * **** *** ** * gcd);
return 0;
   }
answered by (-167 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
#include * * ** * *
int main()
{
* * * **** * * n,j,i,gcd;
* * * *** ***** * **** **** ** * * * ** ** *
** * ** * * * **** * ******** * *** * * *****
  {
***** *** * **** * ** * * * **** ** * * * * *
* ** * **** * ** * ** * * * * ** * * * *
  }
* * * ** ** ** ******* *
* * * ** ** *** * ** * 0;
}
answered by (-32 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>

int main()
{
 int a,b;
 int m;
** * **** * *** *** * ***** * * ** * *
* *** * ** * * ** ******** ** * *** * ** ** * *** *** ** * ** *
** * * ** ** ****** * * *
    {
* ** * ** *** * ***** *** ** *** ** **
* * *** * *** * * ** * * * * * * ** *
** * * * * * * ******** ** * ** ** **

**** * *** ** *** ** * *
** ** **** ****** * ** % b == 0)
* * ** * *** ** *** **** ** ** * * ** * ** * ** * ** * *** ** *

* * ****** ** ****** ** *** * ****** * *** 0;
}
answered by (-32 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
#include * **** *
#include * **** *** *

int main()
{
*** **** ******* * *** ** * n1, n2, i, gcd;

* ** * * * ** * * * * * * ** *** &n1, &n2);

**** ** ** ** * * *** *** i <= n1 ** * * i <= n2; ++i)
** ** * ** ** *
*** * * * * *** * * ** *** ***** *** * * * * *** * ***** ** ** n2%i==0)
* * *** *** * * ** ** ** ***** * ** *** *** *** ** * *** *** * * = i;
** * * *** **** ** **

* * ** **** ** * ** * ** * *** * * gcd);
*** ** * * * * * ** * ** 0;
}
answered by (-254 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
#include ** ****** *** **
#include **** * * ** ****

int main()
{
* ** *** * ****** * ** * * n1, n2, i, gcd;

**** * * ** *** * ***** *** ** *** * &n1, &n2);

**** * * ********** ** ** i <= n1 *** * * i <= n2; ++i)
** *** ** ** ******* ** **
*** * *** ********** ** *** * ** * *** * * * * * n2%i==0)
* * * ** ** *** * *** *** * ** ** ** * * * **** ** ** * = i;
* ***** *** *** * * **

* *** ** * * *** * *** *** * *** * * * * gcd);
* * ** * *** * * ** ** * * 0;
}
answered by (-168 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
* * * *
* ** * ***** * *** **
int * *
{
int *
* * * * * * * ** **** **
*** * *
{
***
a=b;
b=r;
}

** * ** ** * *
}
answered by (-214 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
*** ** * *** * *** ** ** a,b,smaller,i;

** *** * ** * **** * * * * *** ** * * * ** *

* **** ** ** ***** * ******
**** * ** *** * ** * *** *** *** * ** * * **
* * * *
* * * ** **** * * * *** * ** * * ******* ***

** ******* * * * * ***** ** * * ** **** *
***** ** ** * * *** * ******* ** * **** * ** ** * * * * && b%i==0)
* * * * * ** ** * * ** **** * ** *** * * *

* ** * ** ** *** *** * * *** *** **** *

***** * * *** *** * * * * 0;
}
answered by (-16 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
* ** * ** * * * * a,b,n;
* * * * ******** ***** ** * ** *** * * ** *** *
* *** * ** ** ** * * ** (n=a-1;n>1;n--)
** * * ******** * ** ****
* * * ***** *** ***** ** ** * ** *** ** *** ***** * ** && b%n==0)
* * ** *** * ** * ** *** ** * * * * * * *
* * * * * ** ***** ** **
** * * * * ** ** **** ***** **** * * *** ** * * *
* *** * * **** * * ** ** ** * 0;
}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>

int main()

{
* * ** ** ** * x,y,n,a,b;
** * ** * * * * * * ** **** ** ** %2d",&x,&y);

    for (n=x-1;n<x;n--)
    {
** *** ** ** ** ** *** *** * ** * ** *** * *
* * * * * * * ** ******* * ** *** * ** (a==0)
* * ** * * * * *** **** ** *** *
***** *** *** * ** * *** ** ** * ** * ** *** ** ** * * * ***
** ** *** ** *** * ***** * * ** * **** ** ** **** * *** ** (b==0)
*** * ****** *** *** ****** * **** * *** **** * * ** * * **
* ** ** ***** ** ****** * *** * * * * **** ** * ** ** * * * **** ******* ** * * *
* **** ** **** * * ** *** **** * ** * * ** ** * * * * ** ** *** ***
* * * * * * * * ** * ** ** ** * ** * ** ** **
    }
* ***** * ** *** * * * * * *** *** ***** *
* * * *** * * * ** **** * 0;

}
answered by (-249 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
int main()
{

*** * *** ***** * ** * n,n2;
* * * ** * **** * * i;
* *** * * * * * * * min,gcd;

* ** *** * * * ** * *** **** ** * **** * *** *** &n,&n2);

* ** ** * ** ** * * * * * * *
    {
* *** ***** * ****** ** * * * *** *** * * *

* ****** ***** * ** ** **** *** * ** ** ***** **** ** * * ****** * * *** ** * *
** * **** **** *** ** *** {
** * * *** *** ** * ******** ** * ** * ** ** **
* **** ** ** ** * ** ** ** * * ** **** *** * * * * **** * *

* ** ** ******* * ** *** *** i=1;i<=min;i++)
    {
** **** **** *** **** ** * * *** * ***** *** ** *** **
** * * **** **** ** ** **** *
* ** * **** * ******* * ******* * ***** * * * ** **** * **
*** ** * *** ** ** ** * *
    }

* * * *** * ** * ** * ****** * * gcd);

* * * ** * ** **** ** 0;
   }
answered by (-167 points)
0 0
prog.c: In function 'main':
prog.c:8:5: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
     scanf("%d%d", &n,&n2);
     ^~~~~
prog.c:8:5: warning: incompatible implicit declaration of built-in function 'scanf'
prog.c:8:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
prog.c:27:5: warning: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
     printf("%d", gcd);
     ^~~~~~
prog.c:27:5: warning: incompatible implicit declaration of built-in function 'printf'
prog.c:27:5: note: include '<stdio.h>' or provide a declaration of 'printf'
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:104.23.197.94
©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
| 21.8k 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
| 3.9k 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
| 9.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users