1 like 1 dislike
4.1k 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 | 4.1k 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:172.69.58.49
©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
| 1.7k 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
| 7.5k 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
| 3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users