0 like 0 dislike
8.8k 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 | 8.8k 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:172.70.100.162
©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
| 11.4k 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
| 2k 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
| 4.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users