0 like 0 dislike
8.8k 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 | 8.8k 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:172.70.100.188
©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
| 11.4k 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
| 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
| 4.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users