0 like 0 dislike
7.5k 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 | 7.5k 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:172.70.130.243
©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
| 9.7k 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
| 1.7k 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
| 4.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users