public class GBC extends GridBagConstraints { public GBC(int gridx, int gridy) { this.gridx = gridx; this.gridy = gridy; }

Given a non-negative integer num, return the number of steps to reduce it to zero. If the current number is even, you have to divide it by 2, otherwise, you hav...

There is a robot starting at position (0, 0), the origin, on a 2D plane. Given a sequence of its moves, judge if this robot ends up at (0, 0) after it completes...

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Given a binary tree, imagine yourself standing on the right side of it, return the values of the nodes you can see ordered from top to bottom.

Given a range [m, n] where 0 <= m <= n <= 2147483647, return the bitwise AND of all numbers in this range, inclusive.

Suppose that a website contains two tables, the Customers table and the Orders table. Write a SQL query to find all customers who never order anything.

Write a SQL query to get the second highest salary from the Employee table.

Write a SQL query to get the nth highest salary from the Employee table.

Given a list of non negative integers, arrange them such that they form the largest number.