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