0 like 0 dislike
17.6k views

Write a program that asks the user to enter two integers, then calculates and displays their greatest common divisor (GCD).

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

Example input: 

12 28

Example output:

4

 

[Exercise] Coding (C) - asked in Chapter 6: Loops by (5.2k points)
ID: 28913 - Available when: 2017-10-26 18:00 - Due to: Unlimited

edited by | 17.6k views

69 Answers

0 like 0 dislike
Hidden content!
int main()
{

**** ****** * * ******* * n,n2;
***** * ******* *** * * ** i;
** ** * * * * * * * ** min,gcd;

** ** *** * * * * * *** * * * ** * * &n,&n2);

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

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

** * ***** ***** * * i=1;i<=min;i++)
    {
**** **** * * ** **** **** * * * *** * * ** * ***** **** * * *
* * * * **** * *** * *** ***
** * ** **** * ** ** ** ** *** ** * **** ** *
** * ** * * ***** ** * ** ** **
    }

** ** ** * ** ** *** * ** ** gcd);

* ** ** **** ** *** ** * * ** 0;
   }
answered by (-167 points)
0 0
prog.c: In function 'main':
prog.c:8:5: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
     scanf("%d%d", &n,&n2);
     ^~~~~
prog.c:8:5: warning: incompatible implicit declaration of built-in function 'scanf'
prog.c:8:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
prog.c:27:5: warning: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
     printf("%d", gcd);
     ^~~~~~
prog.c:27:5: warning: incompatible implicit declaration of built-in function 'printf'
prog.c:27:5: note: include '<stdio.h>' or provide a declaration of 'printf'
0 like 0 dislike
Hidden content!
#include <stdio.h>


int main()
{
    
* * ***** *** ** n1,n2;
**** **** ** ** * * ** * ** i;
* * * * **** ** min,gcd;
    
* * * ***** *** * ** * * * **** ** * * &n1,&n2);
    
* * * * * **** * ***** ** * * ***
**** ** * * * ** **
* * * ** *** * * * * ** ** ** * * * ** **
**** *** *** **** * ** ** ** * ** **** **
* * *** * * ** * * *
* * ** * *** * ** ** {
** ****** * ******** ** ** **** ** **** ** *
* *** * * * **** ***** * * * *** * ** * * * * ** ** *** **
* * * * ** *** * * *
* * ** * * * **** ** i=1;i<=min;i++)
** * ** ** ** * * *
* ** * ** ***** * *** *** ** ** ** * * *** * * ** * **
* * * * * * * **** **** **
* *** ** *** * **** * ******** ***** * ***** *** *
*** * ** * * * ** ** * * * ** **
** *** * *** *** *****
* * *** ** **
* * ** ** * * * * * ** * * ** * * * * gcd);
    
* ** * ** ** * ** * * * * * 0;
   }
answered by (323 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()
{
  
* ** *** ** * * ** * * * num1;
* * ***** **** * ** *** num2;
** ** * * ** ** * ** * min;
*** ** ** * * ** *** * check;
* *** *** * * * *** ** i;
* *** ** ** ***** ** gcd;
    
  
* * * ** ** ** * * * * *** %d", &num1,&num2);
    
* ** * * ** ** **** ** ***
* * * ** ** ** * * *** **** **
** * **** ** * * *
**** ** ** ****** * * * *** *** *** ****
**** ** **** * *
* **** * ** ** * * * *****
* ** *** * ** **** * *
* * * ******* ** ** * * ** * * *** * ****
* ** * *** ** *** * **
    
* **** ** * ** ** * *** ***** *
    {
* *** * *** * *** **** * ** *** ** * ** * * * ** *** ** * * * * *
* ** * *** * * ** *** ******* ** *** * ***
***** *** * * ** ** * ** * ** **** *** *** * ** *** ** * ** *** * * *** **
* **** * * * ***** * ** * ** ** * ** *
** ** ** * *** ** * * ** * * * * * *
* **** * * * **
**** **** ** **** * * ** *** ***** *** *

** * ** * * * 0;
}
answered by (-193 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;
 int m;
* * * *** *** * ***** ** ** * * * * * ** *
* * * * * ** * * * *** **** * * ** * *** * * * * * **
* * * * * * ** *
    {
*** ** * *** * * * ** **** **
* ** * **** **** ** * ** * ********** ** *
* * * * * * * *** * * *** ** * *

*** * **** ***** * * * ****
* *** ** * ** ** ** * * % b == 0)
** ** * ** * *** ** ** ** * * ** ** ** * * ** ****** *** ** ***

** **** * * * * * * * *** ** * *** * *** * * 0;
}
answered by (-32 points)
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 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,c;
** *** **** * * * ("%d %d",&a,&b);
**** ** * * * ** (a%b!=0){
**** *** * **** ********* * **** * *****
**** ***** ** **** * ** *** ** *** * *****
** * *** *** * * *** * * *** ** ** * * ****** ** * **
** ** *** *** ** *** *
** ** * ** * *** ** * * * ***
* *** ***** * * ** * * 0;
}
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!
#include <stdio.h>
int main()
{
    int a;
    int b;
    int i=0;
    int lcm=0;
    int temp=0;

* ** ** * ****** ** ** * ** * ** * * ** **** *

    if (a>b){
* **** * * * * ** **** ** * * *** * ** ** *
***** ** * * *** * **** ** * ** ** * * **** ** (1){
***** *** *** * * * * ** ** * * ** * ** * ****** **
* ** **** ** *** * ********* ** * * ** *** ** * * *** ******** *
***** * ** *** * *** * ** ** * * * * * * **** * * * (temp == 0){
* * ****** * * * *** *** ** * * ** *** * ** * * *** ** ** * ** * ** **
* ** ** * ** * ** **** * **** * * * ** * *** * * *** ***
** ** **** * *** * ** * ** **** ********** ** * * * ** ***
* *** * * ********** *** * * * * * ******
    }
******** ** * * ** *** * *
* * * ***** * **** * ***** ****** ***** **
* * * * *** * * *** ** * * ** ** * * **** (1){
* **** * ** * **** * ***** ** ***** * * ** ** * ** ** *
* ** * * * * ***** * **** * * * * * * * ** *
** * * * * * * ***** *** *** ** * * *** ******* ** (temp == 0){
** * * ** *** * * **** * * *** ** * ** * ** ***** * * ** ** ** * *** * ** *
* ****** * ** ** ** * * *** *** ** ** ** ****
* * * * *** ** **** * * ** * **** * ** * *** *********
* ** *** * * ** ** * **** * * * *** ***
    }

*** * * * * *** * * ** ** * * ****** *

**** * * * * *** *** ** 0;
}
answered by (52 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()
{
** * **** *** ***** i,a,b;
* * * * * ** * *** ************ * * ** * * * ***

** * *** ****
  {
** *** * * * ****** ** *** = b%a;
* ** * * ***** * ****** ** * **** * ***
* ** * ** * * *** **** * * *** **
  }
* * * * *** * **** * * **** ** *** **
* * *** ** * * *** * ** 0;
}
answered by (-281 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,i;
* ** **** * ** * ** **** * ** * * %d",&a,&b);
    if (a>=b)
    {
* * * ** ** ** * *** ** ** **** * ** * * * ***
***** * *** * ***** ** * * * * * ******** * ** *
** * *** ** * **** * * *******
* ***** ** *** * * **** * * ** ** ** * * **** * * ****** **** * ** ** (a%i==0 && b%i==0)
* **** ** * * ** ** ********* ** * * **** ** * **** * *** * ** * ** **** * ***
** **** **** * * * ** * ******* * **** **** *** * *** * ** ***** * * * * * * **
** ****** * ****** ** **** *** * ** * ****** * * ** ** * ** * * * ** * **** * ** * **
** *** * ** ** **** * * * * *** * * * * * * * ****
*** * *** **** * * * * * * ***** *** * * * ******** *
* ** * *** * * * ***** **** * * ** * * ***** * * *
    }
    else
    {
* *** * *** * ** * ** ******* *** ****
* **** ** ** * ** * *** **** ** ** * * *** **** ** **
** * ******* * ** *** ** * * **
** * *** * ****** *** ***** ***** * * ** * *** *** (a%i==0 && b%i==0)
****** * * * ** ** * * ** * ** * * *** ** ** * * ** * * *
** * *** *** * *** ** ** * * ***** * ** ** ** * * **** ** ******* * * ****** * ** **** ****** * ** ** *
* ** * ** *** * * * * ** * ** * * * * *** **** **** **** ** ** * * **
* * * ***** ** * * ******** ***** *** ******** * ** * ** * **** *** ***
* * * *** * ** *** *** ** ** * *
    }
    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!
#include <stdio.h>
int main()
{
** * * ** * ***** * **** a,b,c;
* ** * * * * * ** ** ** * * * %d",&a,&b);
** *** ** **** *** * ** * * != 0)
** *** * ** ** * *****
* * *** * * *** * * ** *** * ** * *** * ** ***
***** * * * * * * *** ****** * * * **
* * ** ** * * ** *** ** * * * * * * **
  
* * * ** ** ***** * ** **
* *** ** **** **** * * ******** ********
** *** * *** * ** *** * 0;
}
answered by (54 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()

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

* * * * * ** * * (a>0)
* * * * ** * * * *
** **** *** ** * * *** ** * *** * * *** ** * * **** * *
**** * * * ** * ******* *** * * * * * * *
***** ** ** ** * * * * *** *** * ** * * ** *
* *** * ** **** **
** ** * ** ** ****** * * * *** * ** * *
* * ** * * * * * * 0;
}
answered by (-249 points)
0 0
Case 0: Correct output
Case 1: Correct 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:104.23.243.108
©2016-2026

Related questions

1 like 1 dislike
85 answers
[Exercise] Coding (C) - asked Oct 26, 2017 in Chapter 6: Loops by semicolon (5.2k points)
ID: 28914 - Available when: 2017-10-26 18:00 - Due to: Unlimited
| 23.2k views
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
| 4.2k views
1 like 1 dislike
36 answers
[Exam] asked Nov 15, 2017 in Midterm by thopd (12.1k points)
ID: 32707 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 11k views
12,783 questions
183,442 answers
172,219 comments
4,824 users