Leetcode
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Array 7 Search 16 Stack 4 Linked List 9 String 8 Queue 3 HashTable 10 Dynamic Programming 32 Recursion 12 Divide and Conquer 3 Graph 7 Greedy 2 Math 4 Sort 2 SQL 38 Double Pointers 2 Binary Tree 12 BST 4 Brain Teaser 3 Summary 13 Customized Sort 1 Heap 1 Skill Set 16 Others 1 Simulation 1 Python 1 Monotonic Stack 1
LC 1765 LC 1765
Solution to LeetCode 1765 Map of Highest Peak. LeetCode 1765Map of Highest Peak (Medium). [link] Time complexity O(NM).
2022-07-30 Search
BFS
LC 1036 LC 1036
Solution to LeetCode 1036 Escape A Large Maze. LeetCode 1036Escape A Large Maze (Hard). [link] BFS. The key idea is inst
2022-07-02 Search
Binary Search Grid
LC 278 & LC 374 & LC 704 & LC 852 LC 278 & LC 374 & LC 704 & LC 852
Solution to LeetCode 278 First Bad Version, LeetCode 374 Guess Number Higher or Lower, LeetCode 704 Binary Search, and L
2022-03-23 Search
Binary Search
LC 219 LC 219
Solution to LeetCode 219 Contains Duplicate II. LeetCode 219Contains Duplicate II (Easy). [link] HashTable. 1) if there
2022-02-21 Search
HashTable Sliding Window
LC 747 LC 747
Solution to LeetCode 747 Largest Number At Least Twice of Others. LeetCode 747Largest Number At Least Twice of Others (E
2022-02-17 Search
Double Pointers
LC 334 LC 334
Solution to LeetCode 334 Increasing Triplet Subsequence. LeetCode 334Increasing Triplet Subsequence (Medium). [link] 1]
2022-02-16 Search
Greedy Iteration
LC 33 LC 33
Solutions to LeetCode 33 Search in Rotated Sorted Array. LeetCode 33Search in Rotated Sorted Array (Medium). [link] Ite
2022-02-15 Search
Binary Search Recursion
LC 373 LC 373
Solution to LeetCode 373 Find K Pairs with Smallest Sums. LeetCode 373Find K Pairs with Smallest Sums (Medium). [link]
2022-02-14 Search
Binary Search Heap
LC 17 LC 17
Solution to LeetCode 17 Letter Combinations of a Phone Number. LeetCode 17Letter Combinations of a Phone Number (Easy).
2022-02-01 Search
DFS BFS
LC 79 LC 79
Solution to LeetCode 79 Word Search. LeetCode 79Word Search (Medium). [link] Backtracking and DFS. Time complexity for t
2022-01-28 Search
Recursion Backtracking DFS
LC 792 LC 792
Solution to LeetCode 792 Number of Matching Subsequences. LeetCode 792Number of Matching Subsequences (Medium) [link] Ti
2022-01-19 Search
Binary Search
LC 540 LC 540
Solution to LeetCode 540 Single Element in a Sorted Array. LeetCode 540Single Element in a Sorted Array (Medium) [link]
2022-01-18 Search
Array Binary Search
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