Read the question, write Java on the right, then Run or Check.
QuestionHint and solution stay closed until you open them
Read n; print yes if power of two else no.
Examples
Input
8
Output
yes
Input
6
Output
no
Hint
- n > 0 && (n & (n - 1)) == 0
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 n = in.nextInt();
System.out.println(n > 0 && (n & (n - 1)) == 0 ? "yes" : "no");
}
}
Main.javaJava 21 · javac · Ctrl + Enter runs
ResultIdle
Run to see output. Check grades the tests.