Interview Question

How regularization is used and what are types of regularization you are familiar with

How Time Series Analysis be applied in Quantitative Finance?

What is the Sum of weights in exponential smoothing

Two binary trees are considered the same if they are structurally identical, and the nodes have the same value.

Given the roots of two binary trees p and q, write a function to check if they are the same or not.

Given an array of strings strs, group the anagrams together. You can return the answer in any order.

Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring.

You are given a set of n types of rectangular 3-D boxes, where the i^th box has height h(i), width w(i) and depth d(i) (all real numbers). You want to create a stack of boxes which is as tall as ...

Given an array of integers nums sorted in ascending order, find the starting and ending position of a given target value. If target is not found in the array, return [-1, -1]. You must write an algorithm with O(log n) runtime complexity.

Implement pow(x, n), which calculates x raised to the power n (i.e., xn). Given two non-negative integers num1 and num2 represented as strings, return the product of num1 and num2, also represented as a string.