0 like 0 dislike
11.4k 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 | 11.4k 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:108.162.241.209
©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
| 14.9k 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
| 2.5k 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
| 6.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users