0 like 0 dislike
16.1k 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 | 16.1k 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:104.23.243.165
©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
| 21.2k 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
| 3.8k 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
| 9.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users