2023

Spring CLI - Windows Scoop Installation

2023-08-16

Day 60 | 84. Largest Rectangle in Histogram

2023-08-16

Day 59 | 503. Next Greater Element II | 42. Trapping Rain Water

2023-08-16

Day 58 | 739. Daily Temperatures | 496. Next Greater Element I

2023-08-16

Day 57 | 647. Palindromic Substrings | 516. Longest Palindromic Subsequence

2023-08-16

Day 56 | 583. Delete Operation for Two Strings | 72. Edit Distance

2023-08-16

Day 55 | 392. Is Subsequence | 115. Distinct Subsequences

2023-08-16

Day 53 | 1143. Longest Common Subsequence | 1035. Uncrossed Lines | 53. Maximum Subarray

2023-08-16

Day 52 | 300. Longest Increasing Subsequence | 674. Longest Continuous Increasing Subsequence | 718. Maximum Length of Repeated Subarray

2023-08-16

Day 51 | 309. Best Time to Buy and Sell Stock with Cooldown | 714. with Transaction Fee

2023-08-16

Day 50 | 123. Best Time to Buy and Sell Stock III | 188. Best Time to Buy and Sell Stock IV

2023-08-16

Day 49 | 121. Best Time to Buy and Sell Stock I | 122. Best Time to Buy and Sell Stock II

2023-08-16

Day 48 | 198. House Robber | 213. House Robber II | 337. House Robber III

2023-08-16

Day 46 | 139. Word Break | Backpack Question Summary

2023-08-16

Day 45 | 70. Climbing Stairs | 322. Coin Change | 279. Perfect Squares

2023-08-16

Day 44 | Full Backpack Basic Theory | 518. Coin Change II | 377. Combination Sum IV

2023-08-16

Day 43 | 1049. Last Stone Weight II | 494. Target Sum | 474. Ones and Zeroes

2023-08-16

Day 42 | 0-1 Backpack Basic Theory(一)| 0-1 Backpack Basic Theory(二)|416. Partition Equal Subset Sum

2023-08-16

Homework 2 - Security Analytics - Decision Tree

2023-03-22

Homework 1 - Security Analytics - A simple task using Jupyter Notebook

2023-03-20

Exploit Log4j Vulnerability

2023-03-11

Lab 3 - Introduction to Cryptography

2023-03-01

Lab 1 - Introduction to Cryptography

2023-03-01

Midterm - CyberSecurity Risk Management

2023-02-28

HW2 - CyberSecurity Risk Management

2023-02-27

HW1 - CyberSecurity Risk Management

2023-02-27

Day 41 | 343. Integer Break | 96. Unique Binary Search Trees

2023-02-27

Day 39 | 62. Unique Paths | 63. Unique Paths II

2023-02-27

Day 38 | 509. Fibonacci Number | 70. Climbing Stairs | 746. Min Cost Climbing Stairs

2023-02-27

Day 37 | 738. Monotone Increasing Digits | 714. Best Time to Buy and Sell Stock | 968. BT Camera

2023-02-27

Day 36 | 435. Non-overlapping Intervals | 763. Partition Labels | 56. Merge Intervals

2023-02-27

Day 35 | 860. Lemonade Change | 406. Queue Reconstruction by Height | 452. Minimum Number of Arrows

2023-02-27

Day 34 | 1005. Maximize Sum Of Array After K Negations | 134. Gas Station | 135. Candy

2023-02-27

Day 32 | 122. Best Time to Buy and Sell Stock II | 55. Jump Game | 45. Jump Game II

2023-02-27

Day 31 | 455. Assign Cookies | 376. Wiggle Subsequence | 53. Maximum Subarray

2023-02-27

Day 30 | 332. Reconstruct Itinerary | 51. N-Queens | 37. Sudoku Solver

2023-02-27

Day 29 | 491. Non-decreasing Subsequences | 46. Permutations | 47. Permutations II

2023-02-27

Day 28 | 93. Restore IP Addresses | 78. Subsets | 90. Subsets II

2023-02-27

Day 27 | 39. Combination Sum | 40. Combination Sum II | 131. Palindrome Partitioning

2023-02-27

Day 25 | 216. Combination Sum III | 17. Letter Combinations of a Phone Number

2023-02-27

Day 24 | 77. Combinations

2023-02-27

Day 23 | 669. Trim a BST | 108. Convert Sorted Array to BST | 538. Convert BST to Greater Tree

2023-02-27

Day 22 | 235. Lowest Common Ancestor of a BST | 701. Insert into a BST | 450. Delete Node in a BST

2023-02-27

Day 21 | 530. Minimum Absolute Difference in BST | 501. Find Mode in Binary Search Tree | 236. Lowest Common Ancestor of a Binary Tree

2023-02-27

Day 20 | 654. Maximum Binary Tree | 617. Merge Two Binary Trees | 700.Search in a Binary Search Tree

2023-02-27

Day 18 | 513. Find Bottom Left Tree Value | 112. Path Sum | 105&106. Construct Binary Tree

2023-02-27

Day 17 | 110. Balanced Binary Tree | 257. Binary Tree Paths | 404. Sum of Left Leaves

2023-02-27

Day 16 | 104.MaximumDepth of BinaryTree| 111.MinimumDepth of BinaryTree| 222.CountComplete TreeNodes

2023-02-27

Day 15 | 102. Binary Tree Level Order Traversal | 226. Invert Binary Tree | 101. Symmetric Tree

2023-02-27

Day 14 | 144.Binary Tree Preorder Traversal | 94.Binary Tree Inorder Traversal| 145.Binary Tree Post

2023-02-27