0 like 0 dislike
17.4k 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 | 17.4k 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:104.23.197.95
©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
| 23k 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
| 10.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users