Read the question, write Java on the right, then Run or Check.
QuestionHint and solution stay closed until you open them
Read two positives; print gcd (Euclid).
Examples
Input
12 18
Output
6
Hint
- while (b != 0) { int t = a % b; a = b; b = t; }
Show correct code
Peek only after you have tried. You can still Check your own version.
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int a = in.nextInt(), b = in.nextInt();
while (b != 0) { int t = a % b; a = b; b = t; }
System.out.println(a);
}
}
Main.javaJava 21 · javac · Ctrl + Enter runs
ResultIdle
Run to see output. Check grades the tests.