0 like 0 dislike
15.4k 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 | 15.4k views

69 Answers

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'
0 like 0 dislike
Hidden content!
#include <stdio.h>


int main()
{
    
** ** * * *** * * n1,n2;
* ** *** ** **** * * i;
** ***** * ** * * ***** min,gcd;
    
* ** * * *** ** * * ****** * * &n1,&n2);
    
** *** * * * *** * ** * ** *
**** ** ***** ** * *
** *** ***** ** ** *** **** * ** * * *
* ** * * * * * ** ** * * ****** ****** * ** *** * **
* * ** **** ****
* * * * **** * *** ** {
** * *** * ** *** ***** ** * * * ** * * ** * * * ****
* ***** * * * * * * * ** ** ***** * * * ** * **** * ** *
** ** * ** ** * *
**** ** ** ***** ** ** * i=1;i<=min;i++)
* * * * * ** * *
* * *** ** * * * * * ************ ** * **** ***
**** **** * ** * * **** **** *
* * ** * * * *** * * * ******** * ** ** * ** ***** * * ****
* * * *** ** ** **** * **** * **
* ** * ** * * *
** * * * ** * ** ** ** ****
* ***** * * * * * * * * * **** gcd);
    
** * * ** ** ** * ** * *** ** 0;
   }
answered by (323 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()
{
  
**** * * * * * * ** * num1;
* * *** * * * num2;
* *** * * ****** ** * min;
* ** ** * * * * check;
******* **** * *** ** **** * i;
* * ** * ** ** * * * ** * gcd;
    
  
* ** * ** *** **** * ** ** * %d", &num1,&num2);
    
* * * *** *** *
* * ** * ** ** * **** **
***** ** *** * * *
*** * * * * * * * * *** * *** * * *** ** *
** * ** ***** *
** * ** ** *** * **
* * ** **** *
* ** *** * * * ** * *** * ***
* * * * ** ** * * * *
    
** ** * ** ** **
    {
******* * ***** ** * * ** * ** * * *** *** * ** ** * ** * ** * *
* * *** *** * * ** * ***** * * ** * ** *
*** ** ** *** * ** ** ***** ** * ** * ** * *** ** * *
* * * * * ** * ***** * ** **** * * * **
* *** ** *** * * ** ** * * * ** * * ******
** * * * * **** * * ***
* ****** ** ** ** ********* *** * ** **

** ***** * * ** ** ** *** * 0;
}
answered by (-193 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)
edited by
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: 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: 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;
    int b;
    int i=0;
    int lcm=0;
    int temp=0;

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

    if (a>b){
** * * * * *** ** * ***** *** ** ** ** ** * * * *
* *** **** ** * *** ** * *** **** ** * ***** * (1){
* * * ** * ** * * * * * **** * *** ** * * ****
** * * ** * * * * *** * * *** **** *** * * *** * ** *
*** * ******* * * ** ** ** ** * ** * * **** * (temp == 0){
****** *** *** *** ** * *** * **** ** * ********* **** * ** ** *
* **** * **** * ** * * ****** ** **** * * * * ** * **
* ** ** * ** ***** ******** * * *** * * ***** * * *
*** * ** ** * ** * ** * * ** * * **** *
    }
* * * * ** ** ** ***** *
* ** * * * *** * * ** ** ***** *** * ***
** **** ***** ***** *** * **** *** * * * * ** (1){
** ** ** * * ***** * ***** ** *** * ** **** * * **** ** *** **
* ***** *** **** ***** * ** *** * * * **** * * ** *** *** *
* * * * * ** * *** ** ** * * ** * * ** * ** ** * ** (temp == 0){
* ** ****** *** *** * * * ** * * *** **** ****** ** ** *** * ** * * *****
* * * *** * * * * **** ** ***** *** * ** *** **
*** ** **** * ** ** ** ** * * * ***** **** ** *
*** * *** * * * ** ** ** *** ****** * ** ** **
    }

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

* * ** *********** * * * * * * * * 0;
}
answered by (52 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()
{
* * ** * * *** * * i,a,b;
** ** ** *** ** *** * * * * ** *** *

**** **** * **** ** *
  {
*** *** * *** * ****** ** ** ** * = b%a;
** ** **** * * ** * ** * ** **** *** * *** *
*** ** * ** * * ** ****** ** *
  }
** * * *** ** ** * **** * * * * *
* ** ** ** * ** * ** * 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()
{
    int a,b,i;
* * *** * ***** ** **** * * * %d",&a,&b);
    if (a>=b)
    {
* ** * * ** * ** ** * ** ** * **** *****
* **** *** * * ***** * * ** * ** * * * ***** **
** ** * ****** ** * * ** * ******** * * *
* * * * * ** * ***** * ** ** ** * * * * ** * * *** * ** * ** ** (a%i==0 && b%i==0)
* ** * * * * **** * * * * ** ** *** * * * * * *** **
** * * * ** * * * ** * ** ** * *** * * ** * *** ***** ** ***** * * ** **** ** ** *** * * * ***
* *** * * ** **** *** * ** * ** * * * * * *** * ** * * * * * *** ** * ** * * * *** * * **
* * * **** * *** * * **** **** ** ** ** *
***** * * * *** * * ** ** *** * ***** **** * * * * * ** **** * *
** * * ****** ** ** ***** ** * *** *****
    }
    else
    {
** * ** * * * * * ** * * *** **
* * * *** * **** * *** ********* * ** * * * * ** * **
* * *** * * * **** ** * ** * ** * *** ** ** ** *
** * *** ** * *** **** * ** * ** * ** * * ** * ** *** * * * * (a%i==0 && b%i==0)
* * * * ** *** * * ** ** * ** * ** * **** * * ****** * * *** ***
** * ** ***** * * ** * ** * ** **** ** * * * *** **** * **** * ** * ** ** * ****** * * * ** *** ** *
* * * * ** *** ***** * * * **** * * * *** *** **** * * ** * ** ** ** * * * * * *
*** *** ** ** ******* * ** **** * ***** * *** *** * ***
** * * * * * *** ** *** * ** * * ** **
    }
    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 <stdio.h>
int main()
{
* * ***** * *** * * ** *** a,b,c;
* * * *** *** * ****** * * ** %d",&a,&b);
* ** ** * ** * * * * ** ** * != 0)
**** **** ** ********* *
****** * **** ** * ** * * * * **** ** * *
* * **** **** ** * *** * * * ****
* * ** * * * * * *** * *** * * * *
  
* * ** * **** * *** ** **
*** * * * * * * * * ***** * ***
** ** **** ****** * * 0;
}
answered by (54 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()

{
* * ****** * * ** * * * a,b,c;
* *** * * *** * * %d",&a,&b);

** ***** * * *** ** * *** (a>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
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:162.159.115.32
©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
| 20.5k 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
| 3.7k 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
| 9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users