0 like 0 dislike
17.6k 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 | 17.6k 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:162.159.115.10
©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
| 23.2k 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
| 10.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users