0 like 0 dislike
12k 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 | 12k 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:172.70.100.83
©2016-2025

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
| 15.7k 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
| 2.7k 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
| 6.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users