1.Rolling Window Correlation of Two Vectors.
2.Understanding Ridge Regression and Closed Form Solution
3.Programming Ability Assessment: Interval List Intersections in C++
4.Challenges in Probability and Brainteasers for Interviews
5.Postfix Evaluation Algorithm: Classic Approach and Extensions
6.Correlation between Positive and Negative Parts of Normal Distribution
7.N-Box Money Dilemma: To Open or Not?
8.Decoding Number to Letter Combinations
9.Finding all Combinations of a List with Duplicates
10.Four Interview Questions and Their Answers
11.Interview Questions: Programming and Language Skills
12.Object Function of Linear Regression and Regularization Techniques
13.Two Interview Questions on Queue Optimization
14.Binomial distribution and Bernoulli relationship explained.
15.Probability Comparison of Binomial Distributions
16.Probability of Finding the Normal Coin with Heads Up
17.visiting cities
18.Count Subarrays with Sum Divisible by K
19.Lexicographical Numbers Ordering
20.Generating n-bit Gray Code Sequence
21.Shortest Subarray with Sum at Least K
22.Count Subarrays with Sum Divisible by K
23.Minimize Score After Adding or Subtracting K from Elements
24.Maximum Length of Turbulent Subarray
25.Count Subarrays with Sum Divisible by K
26.背包问题变种
27.Max num of chocolate
28.并查集问题
29.Even or odd
30.Longest subarray
31.Max Profit with At Most Two Stock Transactions
32.Valid Parentheses String Checker
33.Implement strStr() Function in String
34.Rearrange String to Avoid Adjacent Repeating Characters
35.Maximum Subarray
36.Shortest Path in a Traffic Network with Refueling Stations
37.Common Friends Problem
38.Palindromic Substrings
39.Minimizing Loss in a Card Guessing Game
40.Pricing a Call Option with a Specific Condition
41.Expected number of keystrokes to type 'citadel'
42.Expected position of an accessed element in an LRU cache
43.Explain the geometric interpretation of Ax=b having zero, one, or infinitely many solutions
44.Optimization of a Brute Force Solution
45.Why are you interested in finance?
46.Describe the most challenging project you have worked on.
47.Friend Recommendation System
48.Optimize Data Processing Pipeline Throughput
49.Running k-Means Clustering with Different Initial Centroids
50.Detecting NaN Values in a Pandas DataFrame
51.Choosing Replacement Values for Null Entries
52.Choosing Replacement Values for Null Entries
53.Choosing Replacement Values for Null Entries
54.Fraction of Java Programmers Knowing C++
55.Reason for Using L1 Over L2 Regularization
56.Optimizing Data Processing Pseudocode
57.Vapnik-Chervonenkis (VC) Dimension Calculation
58.Running k-means Clustering with Different Initial Centroids
59.Detecting NaN Values in a Pandas DataFrame
60.Choosing Replacement Values for Null Entries
61.Fraction of Java Programmers Knowing C++
62.Reason for Using L1 Over L2 Regularization
63.Optimizing Pseudocode for Run-time
64.Improving Data Processing Pseudocode
65.Vapnik-Chervonenkis (VC) Dimension Calculation
66.Probability of Adjacent Shorter People
67.Expected Number of Mutual Waving Pairs
68.Longest Sequence with Equal Endpoints Sum
69.ArrayList Manipulation Steps
70.Trie and Dynamic Programming Combination Problem
71.Social Media Suggestion
72.Find Consistent Logs
73.Friend Recommendation System
74.Maximum Throughput Optimization
75.Find Consistent Logs
76.Maximum Length of Subarray with Elements Having Frequency K
77.Distinct Goodness Values of Subsequences
78.Count Stable Segments
79.Friend Recommendation System
80.Count Stable Segments
81.Stable Segment
82.Distinct Goodness Values
83.Binary Search for Operations Optimization
84.Using HashMaps to Store Previous Occurrences of Numbers
85.Optimizing Data Retrieval with Prefix Sums
86.Optimal Job Execution Strategy
87.Sliding Window Minimum Frequency
88.Minimum Number of Operations to Execute All Jobs
89.Find the Maximum Length of Consistent Logs
90.How do you drive a project?
91.Design a simple streaming system.
92.How do you review code and stay updated with state-of-the-art technology?
93.Describe your role on your current team.
94.Discuss a recent project you worked on, including its complexity, scope, and any trade-offs you had to make.
95.Optimal Scaling Configuration for Data Processing Pipeline
96.Maximum Length of Consistent Logs
97.Friend Recommendation System Prototype
98.Friend Recommendation Optimization
99.Maximum Throughput Optimization
100.Algorithm Correctness Verification
101.Implement Excel
102.Why add both L1 and L2 regularizers to an OLS logistic regression model?
103.Which regularizers help reduce sensitivity of regression parameters to outliers?
104.Which metrics are not good for optimizing ML models?
105.Interpreting a black box ML model's behavior based on changes in a positive integer X
106.Which model is best for large datasets with independent features in classification?
107.Why is k-medoids often used more than k-means?
108.Token Expiry System
109.Number of Distinct Palindromes in a Given String
110.Special Nodes in a Tree
111.Maximum Subarray Length for a Strong Team
112.Minimum Knight Moves on a Chess Board
113.Process Execution Optimization
114.Maximum Sum Path in a Tree
115.Strong Team Formation
116.Cache Definition and LFU Implementation
117.Building a Strong Hacker Team
118.Special Nodes in a Tree
119.Maximum Value Sum of Non-Empty Paths
120.First Lady of Software Algorithm
121.Factors to Consider When Replacing Null or Erroneous Entries in Datasets
122.Tree Path Finding Problem
123.Dynamic Programming Problem
124.Execution Related Questions
125.Integer Decomposition into Summands
126.Cumulative Distribution Function of X-axis
127.Minimize Variance for Weighted Sum
128.Front-end Credit Card Form Component
129.Monte Carlo and Simulation Techniques
130.Building a Strong Hacker Team
131.Find the Smallest Positive Integer Not in Array
132.Streaming Mean and Standard Deviation
133.Maximum Drawdown Calculation
134.Probability of Uniform Distribution Until Sum Exceeds 1
135.Minimum Unreachable Vertices in a Directed Graph
136.Longest Common Substring with Character Operations
137.Optimized Fibonacci Sequence Calculation
138.Linear Regression Assumptions and Interpretation of Negative R-squared
139.Standard Deviation Range Calculation
140.Fibonacci Sequence with O(logN) Complexity
141.Generate an Event with Probability p Using a Fair Coin
142.Implement Monte Carlo Method to Estimate Pi
143.Linear Regression and L2 Regularization
144.Optimization Problem to Minimize Sum
145.Expectation of R-squared in Linear Regression
146.Implement a Circular Queue using an Array
147.Hacker Team Problem using Dynamic Programming
148.Knight's Tour in Chess using BFS
149.Expected Steps to Exit a Grid
150.Variant of LeetCode Problem 23
151.Momentum Trading Concept
152.Effect of Doubling Data on T-Statistics
153.Maximum of an Array with Minimum Comparisons
154.Optimal Stopping Strategy
155.Expected Number of Observations
156.Random Points on a Circle
157.Dice and Coin Flip Probability
158.Numerical Analysis Challenge
159.Optimized Matrix Search
160.Decision Tree Basics
161.Random Walk Probability
162.Linear Regression Relationship
163.Calculating the Least Square Solution in Linear Regression
164.Annualizing the Sharpe Ratio
165.Median of a 2D Point Set
166.Sliding Windows Problem
167.Cache and CPU Related Concepts
168.Implementing a HashMap
169.Expectation on a Unit Sphere
170.Correlation Coefficient Calculation
171.Optimal Assignment Problem
172.Monte Carlo Simulation and Statistical Follow-up
173.Machine Learning Algorithm Follow-up
174.Design a TinyURL System
175.Design a Message Queue
176.Code Review and Bug Identification
177.Analyze Code Output
178.Design a Key-Value Store
179.Implement str() Function
180.Optimal Road Transformation in Warehouse Network
181.Design a High Performance Logger
182.Special Nodes
183.Number of Moves
