1.特征转换
2.重复寻找
3.Longest Substring Without Repeating Characters
4.X(N)
5.Daily Temperatures
6.Rectangle Area
7.预测销量
8.Merge Intervals
9.Stock Market
10.career goal
11.为什么要换工作
12.有没有遇到过什么 challenge
13.有过几个manager
14.看法
15.why twosigma
16.为什么对2sigma感兴趣
17.你觉得医药公司怎么赚钱
18.预测可用单车
19.Daily Temperatures
20.股票拍卖
21.Maze
22.找到所有的subString
23.Convert 1D Array Into 2D Array
24.Merge Strings Alternately
25.Kth Smallest Element in a Sorted Matrix
26.Word Search II
27.树状流量切分
28.leetcode1135
29.股票竞价问题
30.Pricing
31.Predict housing price
32.Designing a Simple HashMap in Java
33.Calculating Fibonacci Numbers Algorithm
34.你愿不愿意take一个legacy system
35.disagree with others
36.Binary Tree Serialization and Deserialization Algorithm
37.Data Analysis Case Question
38.Data Analysis Warm Up Question
39.Design a Random Number Generator
40.Optimizing Time Complexity for Substring Finding
41.Missing Words Function
42.File Distribution to Data Centers
43.Sort a List of Strings Containing Numbers and Words
44.Finding Missing Numbers in a Large List
45.Sorting an Almost Sorted (K-Sorted) Array
46.Searching a Matrix Sorted in Rows and Columns
47.Survivor in a Killing Sequence
48.Correlation Change in Duplicated Dataset
49.Maximum Element in Array with Minimum Comparisons
50.Random Walk Hitting Time Problem
51.Design a Dynamic Array Allocation System
52.Complex Problem Involving Binary Search, DP, and Shortest Path
53.NP-Hard Graph Problem
54.Complex DFS Implementation
55.Matrix Depth-First Search (DFS) for Shortest Path
56.Write a Random Number Generator with Unique Outputs
57.Computer Science Concepts
58.Implement the n-th term of the Fibonacci sequence
59.Covariance Calculation
60.Conditional Probability Calculation
61.Statistical Expectation Problem
62.String Format Sum Calculation
63.Triangle Tree Special Node Finder
64.Pirate Hat Riddle for Maximizing Probability of Release
65.__new__ vs __init__ in Python
66.Python Set Object Storage
67.Mathematical Proof that Pi is Not an Integer
68.Simulation Problems
69.Linear Regression and Correlation
70.Linear Minimum Mean Square Error Estimation
71.NYU City Bike Feature Selection
2. 重复寻找
有一个信用卡数据集，记录了每个信用卡的所有transactions，怎么找到里面possible duplicates
3. Longest Substring Without Repeating Characters
Given a string s, find the length of the longest substring without repeating characters.
4. X(N)
x1=1，x2=2, x(n+2) = 2x(n+1) + x(n). 求x(N)
5. Daily Temperatures
Given an array of integers temperatures represents the daily temperatures, return an array answer such that answer[i] is the number of days you have to wait after the ith day to get a warmer temperature. If there is no future day for which this is possible, keep answer[i] == 0 instead.
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