1 like 1 dislike
6.5k 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 | 6.5k 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:108.162.241.32
©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
| 11.6k 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
| 4.5k 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
| 4.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users