Submission #61796454

Source Code Expand

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import java.util.*;
public class Main{
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int R = in.nextInt();
        long count = 0;
        int limit = R; 
        for (int i = -limit; i <= limit; i++) {
            for (int j = -limit; j <= limit; j++) {
                double x1 = i - 0.5, y1 = j - 0.5;
                double x2 = i - 0.5, y2 = j + 0.5;
                double x3 = i + 0.5, y3 = j - 0.5;
                double x4 = i + 0.5, y4 = j + 0.5;
                if (isInsideCircle(x1, y1, R) && isInsideCircle(x2, y2, R) &&
                    isInsideCircle(x3, y3, R) && isInsideCircle(x4, y4, R)) {
                    count++;
                }
 
 
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import java.util.*;

public class Main{

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int R = in.nextInt();

        long count = 0;
        int limit = R; 

        for (int i = -limit; i <= limit; i++) {
            for (int j = -limit; j <= limit; j++) {
                double x1 = i - 0.5, y1 = j - 0.5;
                double x2 = i - 0.5, y2 = j + 0.5;
                double x3 = i + 0.5, y3 = j - 0.5;
                double x4 = i + 0.5, y4 = j + 0.5;
                if (isInsideCircle(x1, y1, R) && isInsideCircle(x2, y2, R) &&
                    isInsideCircle(x3, y3, R) && isInsideCircle(x4, y4, R)) {
                    count++;
                }
            }
        }

        System.out.println(count);
    }

    private static boolean isInsideCircle(double x, double y, int R) {
        return x * x + y * y <= R * R;
    }
}

Submission Info

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