1 like 1 dislike
11.7k 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 | 11.7k views

36 Answers

0 like 0 dislike
Hidden content!
#include <stdio.h>
#include * ** *** *

int main()
{
** * * * * * * a,b,i,gcd,lcm;
* ** * ** * * * ** * *** * ***** ** ** ***** **
* * ** *** * * * ** * ***** *** **
**** * ** ** * * *
* * **** * ** ***** *** * *   * * * * ** *** * * **
* * * ** * * *** * ** *   gcd=i;
* * * * * * * *
* * * ** ***** * * * * ******** *** ***
** *** * **** * * * **
* * ** **** * ********** ** %d",gcd,lcm);
* * * * ****** * ** 0;
}
answered by (-258 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 (void)
{
*** ** * * * **** * * * a,b,c,d;
* * ****** * **** * * * %d",&a,&b);
** ** * * * **** * * ** *
******* * ** *** ****
****** ** **** ** * * && b>0){
* * * * * **** ***** ***
*** ** ******* * ******* *** * ** *****
*** **** ** * * *
* * * ** * * * ******* *
* ** *** ** *** * * * * * *** * **** * = b%a;
* * ***** * *** * *
*** * ****** * **
* ** ** ** ****** * **** * a == 0 ) {
*** * **** *** *** * ** ***** * ** * * *** *** ** * * ** %d",b,c*d/b);
** * ** * * ** **
** ** *** ** **** * * {
* ** ** * * * ** *** * * *** * * * **** %d",a,c*d/a);
* * **** ** *** ** *
}
answered by (-204 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!
*** * *** *** *


main()
{
int **** * *
* * ** * * * ** *
* ** ** **** * * *
** *
{
* *** * *** * * *
* ****** *** ***********
**** * ****** ** ** *
}

k==a%b;
m==b%c;

for(k==0)
{
* * * * * = **** ***
}
*** ** *** * *
** * ** * * * ** *** * * ****
** * ** * * * * * ** ** ***


return 0;
}
answered by (-32 points)
0 0
prog.c:4:1: warning: return type defaults to 'int' [-Wimplicit-int]
 main()
 ^~~~
prog.c: In function 'main':
prog.c:8:9: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'int' [-Wformat=]
 scanf("%d %d",a,b);
         ^
prog.c:8:12: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'int' [-Wformat=]
 scanf("%d %d",a,b);
            ^
prog.c:19:9: error: expected ';' before ')' token
 for(k==0)
         ^
prog.c:19:9: error: expected expression before ')' token
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main(void)
{
***** * ** ** ** * * a,b,i,j,d,k,Z;
** ** * * * * **** * L1,L2;

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


** ** ** * * **** **** * *** ***** * * ** * **** 28
    {
* * * * * * ** ********* * * *** ** **** ** && b%i==0 )
**** ***** ** ** *** *** ** * * * * ***** ** * *
* *** ** * * * ** ** *** ** * *** * * ** * **** **
*** *** *** * * * * ** * * ** ** * *

    }
*** ***** * * * * ** * * ** * ** * *
* * ** * * *** ****** * *** * ** ***
* * * ** * ** **
** *** * * * ** * ***** ** ** * * *** ***
** *** * * *** ** ** * ** * ** ** *** ** *
* * * * **
** **** * **** * * ***** (L1==L2)
* ** ** * * ***** ** ** * * * * *** ***




* * ***** ** * * ** ** * 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 <stdlib.h>



int main()

{
* *** * ***** * * * * ** ** a,b,c,d,min,max,e,f;
** **** * * **** * ** * * **** ***** ** * *** * *
* ** * **** ** * * *** * ** **** **

    {
**** *** * ****** ** * ********* ** * *** * * * * *** **
** * *** ** * * ** ****** ******** *** ** * **** **
* ** * * ***** * *** ** **** ** * * * ** ** **** * * ** * ** *
*** * * * *** ** * * * * * ** * * * *** * * * *** **** ** * * * ** *
** ** * *** * ** * * * * * ***** ******

    }
*** * ** ** ** * * * *

    {
***** *** ** * * ** **** * ***** **
* * ** * * ****** * ** ** **** * **

    }
* * *** ** * * **** *** ** *** *

    {
***** ** * * * **** * * * * ** * ** ** * ** * * *** * * * ** ** **
* ** **** *** *** ** *** * * *** ** *
** **** ****** * * * * *** ** ** * * ** * * * * * ** * * *
** * * *** ** ** ***** * * **** * *** ** * *** *** * ****** ** *** **** *
** **** **** * ** ** * * **** ** ** **** *

    }
* *** ** * * ****** * ** ** * * %d",min,max);
** ** * * ** ***** * * ***** * * 0;

}
[] - answered by (-498 points)
ID: 33638 - Available when: Unlimited - Due to: Unlimited

edited by
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(void)
{
** * **** * *** ***** * * a,b,i,j,d,k;
** * * * * *** ** * L1,L2;

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


* ** *** ** * * *** * * *** * **** *** ** ** 28
    {
** *** * ** ** * ** * * ******** * * * * * * ** && 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>
int main(void)
{
******* * ** * **** ***** ** a,b,i,j,d,k;
** * * *** * ** ** ***** L1,L2;

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


***** * * ** * * *** * * * * ** **** * 28
    {
* *** *** * ******** * ** * * * *** ** ** * * * * && 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!
*** ** ** ** *
int main(void){
int * * * *
** *** **** *** * * * **
**** ** ***** * * ** * **** *
{
**** *** **** ** *** ** * * *
** * ** ** * * * ** **
}
lcm=n*n2/gcd;
* * * * * * ** *** *** ***
return 0;

}
answered by (-167 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!
* * **** ***
int main(void){
int ** ***
** * ** ** *** * * * * * *
* ** ** * *** * ** **** **
{
* * * *** * * *** ** ** * ** ** * * *** * ** *
* * *** ** ** ***** * *
}
lcm=n1*n2/gcd;
* * * *** *** * ***
return 0;

}
answered by (-32 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()
{
    int a,b,c,d,e;
* * * * *** ** ** **** ** * %d",&a,&b);
*** * * * *** ***
* *** * * ** ** *** **
* ***** **** * * * *********
    {
** *** * * * **** * **** * ** *** **** ** *
** **** * * * * ** * ******** ** * *** ****
*** * ** ** ** ** ** * *** * * * * * ***** * * * * *****
* ** *** * * ** * ******* * ** *** ** * ** * **
* * * * * * * ** * *** ** *** * *** * ** * * * *** ** *
* * * * * ** *** * * ** ** *** * * ** ** *** * * ** * * * %d",e,(a*b)/e);
* * * ** * ** **** ** ****** ** **
    }
*** * * * * ** * *** * *** *** * **
    {
*** *** * **** * ** ********* ** * ** ** * ***** *
* *** ** * ** ** * * ******* * * *** * ******
*** **** ***** * * * * ** ** * **** *** **** * * *** ****
**** * ** * ** ** ** * ** ***** * ** * * * ****** * *
* * ***** * * * ** * ** ** *** ** * * **** * *
* **** * *** *** * *** **** *** ** ** **** * * *** ** * ***** * ** * * *** *** %d",d,(a*b)/e);
** * * * ** * * *** * **** **
    }

}
answered by (-255 points)
0 0
Case 0: Correct output
Case 1: Wrong output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:104.23.243.109
©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
| 4.4k 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
| 18.3k 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
| 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
| 7.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users