spa-dev - LeetCode

Data Structures & Algorithms

LeetCode 74. Search a 2D Matrix

code

binary search

medium

Difficulty: Medium

LeetCode 704. Binary Search

code

binary search

easy

Difficulty: Easy

LeetCode 121. Best Time to Buy and Sell Stock

code

sliding window

two pointers

easy

Difficulty: Easy

LeetCode 42: Trapping Rain Water

code

two pointers

hard

Difficulty: Hard

LeetCode 155: Minimum Stack

code

stack

medium

Difficulty: Medium

LeetCode 20. Valid Parentheses

code

stack

easy

match case

Difficulty: Easy

LeetCode 11: Container With Most Water

code

two pointers

medium

Difficulty: Medium

LeetCode 15: Three Sum

code

two pointers

medium

Difficulty: Medium

LeetCode 167: Two Sum II - Input Array Is Sorted

code

two pointers

medium

Difficulty: Medium

LeetCode 125: Valid Palindrome

code

two pointers

logging

easy

Difficulty: Easy

LeetCode 128: Longest Consecutive Sequence

code

arrays and hashing

medium

Difficulty: Medium

LeetCode 36: Valid Sudoku

code

arrays and hashing

medium

Difficulty: Medium

LeetCode 238: Product of Array Except Self

code

arrays and hashing

medium

Difficulty: Medium

LeetCode 271: String Encode and Decode

code

arrays and hashing

medium

Difficulty: Medium

LeetCode 347: Top K Frequent Elements

code

arrays and hashing

medium

Difficulty: Medium

LeetCode 49: Group Anagrams

code

arrays and hashing

medium

Difficulty: Medium

LeetCode 217: Contains Duplicate

code

arrays and hashing

easy

Difficulty: Easy

LeetCode 1: Two Integer Sum

code

arrays and hashing

easy

Difficulty: Easy

Welcome To Data Structures & Algorithms

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Welcome! This is a repository of my solutions to LeetCode/NeetCode problems.