0 like 0 dislike
17.2k 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 | 17.2k 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:104.23.197.65
©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
| 22.8k 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
| 4.1k 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
| 10.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users