1 like 1 dislike
6.4k 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 | 6.4k 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:172.70.80.151
©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
| 2.5k 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
| 11.1k 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
| 4.4k 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
| 4.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users