0 like 0 dislike
11.7k 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 | 11.7k 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:162.158.62.154
©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
| 15.1k 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
| 2.6k 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