1 like 1 dislike
6.7k 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 | 6.7k 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:172.70.100.82
©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
| 2.6k 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
| 11.8k 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
| 4.6k 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
| 4.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users