AlgoMap.io - Free Data Structures & Algorithms Roadmap

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Easy Find Closest Number to Zero

Leetcode Status ✖

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Easy Merge Strings Alternately

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Easy Roman to Integer

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Easy Is Subsequence

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Easy Best Time to Buy and Sell Stock

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Easy Longest Common Prefix

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Easy Summary Ranges

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Easy Remove Duplicates From Sorted Array

Leetcode Status ✖

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Easy Remove Element

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Easy Merge Sorted Array

Leetcode Status ✖

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Medium Best Time to Buy and Sell Stock II

Leetcode Status ✖

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Medium Remove Duplicates From Sorted Array II

Leetcode Status ✖

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Medium Sort Colors

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Medium Product of Array Except Self

Leetcode Status ✖

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Medium H Index

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Medium Merge Intervals

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Medium Spiral Matrix

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Medium ZigZag Conversion

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Medium Rotate Image

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Easy Jewels and Stones

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Easy Contains Duplicate

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Easy Ransom Note

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Easy Valid Anagram

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Easy Maximum Number of Balloons

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Easy Two Sum

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Medium Valid Sudoku

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Medium Group Anagrams

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Easy Majority Element

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Hard Longest Consecutive Sequence

Leetcode Status ✖

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Easy Squares of a Sorted Array

Leetcode Status ✖

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Easy Reverse String

Leetcode Status ✖

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Easy Two Sum II - Input Array Is Sorted

Leetcode Status ✖

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Easy Valid Palindrome

Leetcode Status ✖

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Medium 3Sum

Leetcode Status ✖

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Medium Container With Most Water

Leetcode Status ✖

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Medium 3Sum Closest

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Medium 4Sum

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Hard Trapping Rain Water

Leetcode Status ✖

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Easy Baseball Game

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Easy Valid Parentheses

Leetcode Status ✖

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Medium Evaluate Reverse Polish Notation (RPN)

Leetcode Status ✖

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Medium Daily Temperatures

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Medium Min Stack

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Hard Largest Rectangle in Histogram

Leetcode Status ✖

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Easy Remove Duplicates from Sorted List

Leetcode Status ✖

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Medium Insert Greatest Common Divisors in Linked List

Leetcode Status ✖

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Easy Reverse Linked List

Leetcode Status ✖

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Easy Merge Two Sorted Lists

Leetcode Status ✖

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Easy Linked List Cycle

Leetcode Status ✖

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Easy Middle of the Linked List

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Medium Remove Nth Node from End of List

Leetcode Status ✖

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Medium Copy List with Random Pointer

Leetcode Status ✖

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Easy Binary Search

Leetcode Status ✖

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Easy Search Insert Position

Leetcode Status ✖

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Easy First Bad Version

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Easy Valid Perfect Square

Leetcode Status ✖

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Medium Search a 2D Matrix

Leetcode Status ✖

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Medium Find Minimum in Rotated Sorted Array

Leetcode Status ✖

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Medium Search in Rotated Sorted Array

Leetcode Status ✖

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Medium Koko Eating Bananas

Leetcode Status ✖

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Easy Maximum Average Subarray I

Leetcode Status ✖

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Medium Max Consecutive Ones III

Leetcode Status ✖

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Medium Longest Substring Without Repeating Characters

Leetcode Status ✖

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Medium Longest Repeating Character Replacement

Leetcode Status ✖

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Medium Minimum Size Subarray Sum

Leetcode Status ✖

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Medium Permutation in String

Leetcode Status ✖

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Easy Invert Binary Tree

Leetcode Status ✖

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Easy Maximum Depth of Binary Tree

Leetcode Status ✖

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Easy Balanced Binary Tree

Leetcode Status ✖

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Easy Diameter of Binary Tree

Leetcode Status ✖

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Easy Same Binary Tree

Leetcode Status ✖

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Easy Symmetric Tree

Leetcode Status ✖

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Easy Path Sum

Leetcode Status ✖

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Medium Subtree of Another Tree

Leetcode Status ✖

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Medium Binary Tree Level Order Traversal (BFS)

Leetcode Status ✖

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Easy Average of Levels in Binary Tree

Leetcode Status ✖

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Medium Kth Smallest Element in a BST

Leetcode Status ✖

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Easy Minimum Absolute Difference in BST

Leetcode Status ✖

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Medium Validate Binary Search Tree

Leetcode Status ✖

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Medium Lowest Common Ancestor of a Binary Search Tree

Leetcode Status ✖

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Medium Implement Trie (Prefix Tree)

Leetcode Status ✖

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Easy Last Stone Weight

Leetcode Status ✖

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Medium Kth Largest Element in an Array

Leetcode Status ✖

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Medium Top K Frequent Elements

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Medium K Closest Points to Origin

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Hard Merge K Sorted Linked Lists

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Medium Subsets

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Medium Permutations

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Medium Combinations

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Medium Combination Sum

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Medium Letter Combinations of a Phone Number

Leetcode Status ✖

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Medium Generate Parentheses

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Medium Jump Game II

Leetcode Status ✖

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Medium Word Search

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Easy Find if Path Exists in Graph

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Medium Number of Islands

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Medium Max Area of Island

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Medium Course Schedule (Detecting Cycles in a Graph)

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Medium Course Schedule II (Topological Sort)

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Medium Pacific Atlantic Water Flow

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Medium Clone Graph

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Medium Rotting Oranges

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Medium Min Cost to Connect All Points (Prim's Algorithm to Create MST)

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Medium Network Delay Time (Dijkstra's Algorithm)

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Easy Fibonacci Number

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Easy Climbing Stairs

Leetcode Status ✖

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Easy Min Cost Climbing Stairs

Leetcode Status ✖

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Medium House Robber

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Medium Unique Paths

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Medium Maximum Subarray (Kadane's Algorithm)

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Medium Jump Game

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Medium Coin Change

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Medium Longest Increasing Subsequence

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Medium Longest Common Subsequence

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Easy Base 7

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Easy Single Number

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Easy Number of 1 Bits

Leetcode Status ✖

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Easy Add Binary

Leetcode Status ✖