1 like 1 dislike
4.3k 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 | 4.3k 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:172.70.178.124
©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
| 1.8k 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
| 7.8k 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
| 3k 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
| 3.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users