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:172.70.100.187
©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