1 like 1 dislike
5.5k views

Write a program that asks the user to enter two integers, then calculates and displays their greatest common divisor (GCD) and their Least common multiple (LCM).

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

LCM:

In arithmetic and number theory, the least common multiplelowest common multiple, or smallest common multiple of two integers a and b, usually denoted by LCM(ab), is the smallest positive integer that is divisible by both a and b.

What is the LCM of 4 and 6?

Multiples of 4 are:

4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, ...

and the multiples of 6 are:

6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, ...

Common multiples of 4 and 6 are simply the numbers that are in both lists:

12, 24, 36, 48, 60, 72, ....

So, from this list of the first few common multiples of the numbers 4 and 6, their least common multiple is 12.

 

Example input: 

12 28

Example output (first number is GCD, second number is LCM):

4 84

 

[Exam] asked in Midterm by (12.1k points)
ID: 32707 - Available when: 2017-11-15 14:10 - Due to: Unlimited

edited by | 5.5k views

36 Answers

0 like 0 dislike
Hidden content!
#include<stdio.h>
int main()
{
** * *** * *** *** * * a,b,c,d=1,a1,b1;
*** **** **** * ** * * ** * ** ** * ** **** * * ** ***
*** ** * *** * ** * *
** * *** ** ** ** * ** ****
** ***** *** **** * ** ** **
    {
** * ** * ** * ** * * ** * * * * * * *******
* * ** *** *** *** * * **** * * ** *** ** ** ****
*** * * * ** *** *** ****** ** * ** ** ***** *
    }
** ** * ** ** ** * * ***** * * * ** * * * * ***** * **** ** ** * * * %d",b,(a1*b1)/b);
*** * * * ** * *** * **** * * ***  for(d=a1;d<=a1*b1;d++)
* * * * ** ** ** * * *** * * ****** *
** ** **** * ****** * * * *** ***** * *** * ** * * * * ** && d%b1==0)
** ****** * * **** **** * * * ** * * * ** ** * ** *** *** * * * ** * *** * * * ** * * ****


*** * * ** * * * ** * *** * * * **



* * * ***** ** ** 0;
}
answered by (-329 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()
{
* * *** *** * * * ** n,m,i,j,lcm;
* * * ** ** ** * * ****** * * * * **** * *** **
**** ** ****** * *** ** * * ** **
** ** * * *** ** * *
* **** *** *** * **** * * **** * ** * * && m%i==0)
*** * * ** * * * *** * * ***** * * *** * *

** ** ******** * * ***
**** * *** * ** *** = (n*m)/i;

*** *** ** * ** * * * * * ** ** %d",i,lcm);

** * ** * * * *** ** * ** 0;
}
answered
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(void)
{
***** ** ** ** *** * * a,b,i,j,d;
* * ** * ** ** ** *** * * L1,L2;

* *** * * * ** *** * * ** %d",&a,&b);


** *** ** ** * * ***** ** ***** *
*** ** * *** * *** **
* * * ***** * * ** ** *** * * * ** ******** * && b%i==0 )

***** * ** * *** * * * * * * * * *

*** **** * * * ** * * **** * * *** * *** ** **** *** ** ** *** **
* ****** * * **** ******** * ***** * **** **** **



    }
* * ** * *** * ***** * * * * *
    {
* ** ** **** *** * *** **** * * * ** * * **
****** ******* ** * * * **** ** * ** ** ** *
* **** *** ** * * *** * * **** * * ********* ** * *
* * ***** * ****** * * * * * ** * * * *** **
** * ***** * * * *** *** ********* ** *
* ** ** **** ***** * ** * * * ****** * * **** * *** * **** ** * ***** ** *
**** * * ** * *** ** **** * ** ** *

    }




** ****** * * ** * * * 0;
}
answered by (-249 points)
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>
#include *** ** ** ****

int main()
{
* * * ** * ****** *** * *** n = 0;

** * ** * * *** **** m = 0;

** **** * ** *** multiple_m = 0;

* **** ** ** *** ********** multiple_n = 0;

** ** * **** * * *** * * i = 0;

* * ** * * * *** ** ** j = 0;

* * * ** * *** * * ** ** gcd = 0;

* *** * ** *** ** *** * ** * * %d", &n, &m);

* * ** *** * *** * * * ** = 1; i < m; i++)
* ** * * ** **** **
* * ** * * * ** * **** ***** ** * * * * % i == 0 && n % i == 0)
* ******* * ** ** **** * **** * *** **
* **** ******* ** ** ** *** * * ** *********** ** = i;
** * ** * *** ** ***** * *** ***** ** * *** *
****** *** * ** * * *
** * ***** * * ***** * * ** ", gcd);

** *** * **** *** ** = 1;i < 100; i++)
* * * *** *** * * *
****** ** * *** * * * *** * ** * * * * *** = m * i;

* * * ** * **** ** * * * *** ** **** ****** * ** = 1; j < 100; j++)
***** ** * * * ** * * ** ** * * ** ** * *
* * **** ** * ** ***** * **** * * ** ** * ** *** *** * ** * * * *** *** = n * j;

** *** ** ****** * * * * ** *** ** ** ******** ******* * *** * * * ***** == multiple_n && multiple_n < 100)
*** **** * *** ** ** ** * ***** * * ** ******* ** *** * ** * * ** * * ** * * ** ****** ** * ** * ** multiple_n);
* ** * * * * ** *** * *** ** ***** * **** **
* ****** ** * * *** ***
}
answered by (-285 points)
0 0
Case 0: Correct 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>
#include <stdlib.h>

int main()
{
* * **** ** * ** ** * a,b,i,j,max,min;
******* ** * ** ***** * * * * * %d",&a,&b);

* *** ** * * ** * * * ** i>=1; i--)
* * *** * *** ** *
* **** ** ** * **** ** * **** *** ** ** * ** && b%i==0)
** * * * * * ** * * ****** * *** *******
**** * * * *** * ** * *** ** * * **** **** **** * * ** * * ** **** ****** * *
**** * *** ** * * * ** * * **** ****** * * ***
* * * * * ** * ** ** * * * ** * * * * ** * ** ** ** **

    }

* * * * ** * * * * j<=a*b; j++)
* ** * * ** * * ***
* *** * * ** ***** * * * * * *** * ** && j%b==0)
** * ********* ***** ** * ** * * * * * *
* *** * * ** *** * * * ** * *** * * * *** * *** * *** ** * * %d",j);
*** ** ****** * ** * * ***** ** * * * ** **** * * *** * **
* * * ** ** * ** ** * ** * ** *
*** *** ** ** ******


* * * ***** ** * ** 0;
}
answered by (-127 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>
#include <stdlib.h>

int main()
{
* * * * *** **** a,b,i,j,k;
* * * * * * * * * ** * ***** **** * ** ** *** * *
* * * * ** *** * **** % b != 0)
** * ** ** * ** * **
*** * *** ** *** * * * * ***** ** * = a % b;
** ** * ***** * * ** * * * * **** ** ** = b;
** * ***** * *** * ** * * *** * ** **** * = i;
** ** * ** * * * * ** *
* **** * *** * * **** * * ***** **

***** ****** * *** * * ** 0;
}
35/100 answered by (-255 points)
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>
#include <stdlib.h>

int main()
{
*** *** *** * * ** ** ** ** a,i,j,k,l;
* ** * * * * * * ** ** * ** * * *** ** ****
* * **** * **** *** ** = 1 ; i <= a ; i++)
    {
** * *** ** * * * ** * ** * ** ** ** ** * = i ; j <= a - 1 ; j++)
* *** * * * ** * **** * ** * ** ******** ** * *** * **** ** * **** * ** * ");
* *** * * ** ** * * * ** *** ***** *** * * = 1 ; k <= i ; k++)
***** * *** ** ** * * * ** **** * *** *** ****** ***** * *** ** **** ** * * ** *
** * ** ** * * ** * * ** * ** ** * * * = i - 1 ; l >= 1 ; l--)
* * * ** *** * * * * ** *** **** **** ****** * **** * * * * *** * * ** ** *****
** * ** * ** ****** *** *** * * *** * * * ** != 0)
* * ** * * * * ** ** *** ** ****** * ** **** * * * **** *** * *** * * **
***** ** * * *** *


** * *** *** * * * ** * 0;
}
answered by (-255 points)
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()
{
*** * * * * * * * * * * a,b,gcd,lcm,c,d;
* * ** * ** * * ** * * ** %d",&a,&b);
** * *** ** ** * * * ** *
** ** * *** * *
* * * ******* * **** * * (a%b!=0)
* ** ** *** **** *
*** *** * ** * * * ******* * * *** * ** ***** **
* * * * * * ***** * ** ** * * * * * * * ** *
** * *** * * ** * * ** * * ** ** **
** ** ** * ** ** *** * *
*** * * *** *** * * * *** *** ** * **
* * * * *** ** ** ** * %d",gcd,lcm);
*** ** * * *** * * * * 0;
}
answered by (-229 points)
0 0
Case 0: Correct output
Case 1: Wrong output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main(void)
{
    int a,b,i,c,n;
    scanf("%d %d",&a,&b);
    if (a>=b)
    {
** * *** ****** **** * * ** **** ** ** *** ** ** (i=a;i>=1;i--)
** * ** * ** ******** ** **** ******* * *
***** * * ** *** ** ** ** * * * * *** *** * * * * *** * (a%i==0 && b%i==0)
* * * *** *** * ** * ** ** **** *** * ***** * ** ** ** ** **** * * *
** ** **** * ** *** * ** ** * *** ** * * * ****** * * ** ***** * ****** * **** * **** * * ** *** ****** ",i);
* * ** **** * **** ** * * *** *** *** * * * * **** * * **** **** * ** **** * ** * **
** * * * ** ** **** ** * * **** * **** ** * * ** **
** ****** ** ****** * ** *** ***** * * * * **
    }
******** *** *** ****** * ****** ** * ** * (b>=a)
        {
* **** ** *** * * * * ** *** ** *** * ** * ** ** ** * * **** **** ** (i=b;i>=1;i--)
        {
** * * * ** ** ** * *** * ********** * *** * **** ** * ***** * * ** * (a%i==0 && b%i==0)
******* ** **** ****** * * *** * ***** *** * * * * ** **
** * ** * ** *** ** *** * * * * * * ** ** * * * ** * * * *** * ** ** ** **** ",i);
* ***** * *** ** * ***** * *** * * ***** ***** ***** ** * * * ** **** * ****** * *** * * ****
*** ******* ** *** ** *** * * * *** *** ** **** * **** * * ** ** * *
        }
        }
* ***** * * * * * *** **** * ** ****** * ** * * * * * **** * * ** ***
* * ** * *** *** * ** ** ** **** * * * * ** ** *** ** ** * * ** * **** * ** * ******* * ** **
* ** ** ***** *** **** * * * ** * * * ***** * * **** * *** *** * *** ***
* ** **** * *** * * ** ***** * * *** ** * *** *** * * * *** * * * * ** * ** ****** ** ** ** **** (c%a==0 && c%b==0)
* ** * * **** *** * * * * * **** * **** * **** ** ** ** * * * * *** * ***** *** ** ** ** * **** * **** *
** **** *** * * * ** ** * * ** ** *** ** * ** ** **** **** **** ** * *** *** * * * * ** *** * * * * * * *** * * ** * *** *** * **
* ** * ** * *** * ** * * * * *** * * *** * ** * * ** ** ** ** **** ** ** * * ** *** *** ** * ** * * * **** **
* ***** ** ** * * * ** * * * * * ** ** ** * ** ***** ** **** ****** * * ** * * ** * ** **
* **** ** ** * * * ***** * * * ** *** * * *** ** * ** * * ******* * * * **
* * ** * * * ********* ***** * ** * * * *** * * *** ** * * ** *** **** *

**** ***** **** *** * *** * ** * * **** * **** * 0;
}
answered by (-168 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()
{
** *** * * * a;
** *** * ** ** * * * ** * * ****
* ** * ** * * *** * *
****** * * ** 0;



}
answered
0 0
prog.c: In function 'main':
prog.c:5:10: warning: too many arguments for format [-Wformat-extra-args]
    scanf("number",&a);
          ^~~~~~~~
prog.c:6:11: warning: too many arguments for format [-Wformat-extra-args]
    printf("4 84",a);
           ^~~~~~
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.58.205
©2016-2025

Related questions

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
| 2.2k views
0 like 0 dislike
69 answers
[Exercise] Coding (C) - asked Oct 26, 2017 in Chapter 6: Loops by semicolon (5.2k points)
ID: 28913 - Available when: 2017-10-26 18:00 - Due to: Unlimited
| 9.6k views
0 like 0 dislike
21 answers
[Exam] asked Dec 9, 2017 in Midterm by thopd (12.1k points)
ID: 36754 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 3.8k views
0 like 0 dislike
22 answers
[Exam] asked Dec 9, 2017 in Midterm by thopd (12.1k points)
ID: 36753 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 3.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users