0 like 0 dislike
18.3k 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 | 18.3k 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:104.23.243.109
©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
| 24.1k 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
| 4.4k 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
| 11.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users