1 like 1 dislike
10.3k 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 | 10.3k 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:104.23.197.64
©2016-2026

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
| 4.1k 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
| 17k 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
| 6.7k 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
| 7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users