leetcode

Solutions to the various leetcode coding problems (algorithms & data structures) categorised by their difficulty (easy | medium | hard). Solutions in Python & Go)

Problems & Solutions

Problem	Solution	Difficulty
Path Sum	Python	Easy
Best Time to Buy and Sell Stock	Python	Easy
House Robber	Python	Easy
Count and Say	Python	Easy
Symmetric Tree	Python	Easy
Verifying an Alien Dictionary	Python	Easy
Longest Continuous Increasing Subsequence	Python	Easy
Merge Two Binary Trees	Python	Easy
First Unique Character in a String	Python	Easy
Max Consecutive Ones	Python	Easy
Climbing Stairs	Python	Easy
Invert Binary Tree	Python	Easy
Fibonacci Number	Python	Easy
Toeplitz Matrix	Python	Easy
Path Sum II	Python	Medium
LRU Cache	Python	Medium
Find All Duplicates in an Array	Python	Medium
Surrounded Regions	Python	Medium
Friend Circles	Python	Medium
Product of Array Except Self	Python	Medium
3Sum Closest	Python	Medium
Longest Substring Without Repeating Characters	Python	Medium
Longest Repeating Character Replacement	Python	Medium
Sort an Array - Quicksort	Python	Medium
Evaluate Arithmetic Expression	Python	Medium
Permutations	Python	Medium
Find the Duplicate Number	Python	Medium
Add Two Numbers	Python	Medium
Rotate Image	Python	Medium
Partition Labels	Python	Medium
Maximum Width of Binary Tree	Python	Medium
Single Number II	Python	Medium
Find All Anagrams in a String	Python	Medium
Reverse Compare	Python	Medium
Path Sum III	Python	Medium
Container With Most Water	Python	Medium
Count Square Submatrices with All Ones	Python	Medium
Spiral Matrix	Python	Medium
Matrix Multiplication	Python	Medium
One Edit Distance	Python	Medium
Rotting Oranges	Python	Medium
Sort an Array - Mergesort	Python	Medium
Minimum Remove to Make Valid Parentheses	Python	Medium
Longest Palindromic Substring	Python	Medium
Generate Parentheses	Python	Medium
Queens That Can Attack the King	Python	Medium
Minimum Time Difference	Python	Medium
Merge k Sorted Lists	Python	Hard
Longest Consecutive Sequence	Python	Hard
Count of Smaller Numbers After Self	Python	Hard
Word Ladder	Python	Hard
Median of Two Sorted Arrays	Python	Hard
Count Contiguous Subarrays	Python	Hard
Passing Yearbooks	Python	Hard
Edit Distance	Python	Hard
Binary Tree Maximum Path Sum	Python	Hard
N-Queens	Python	Hard
Best Time to Buy and Sell Stock III	Python	Hard
Largest Rectangle in Histogram	Python	Hard
Word Ladder II	Python	Hard
Reverse Linked List	Go	Easy
Pascal's Triangle	Go	Easy
Number of Islands	Go	Medium
RMQSQ - Range Minimum Query	Go	Hard

This repository currently hosts a total of 64 solutions (16 Easy, 34 Medium, 14 Hard).