CodeEasy v0.1

SDE Core Roadmap

A logical, step-by-step curriculum guiding you from fundamental array manipulations up to recursive Dynamic Programming algorithms.

0/15
completed
1
Two Sum Arrays & Hashing
Easy
2
Valid Palindrome Two Pointers
Easy
3
Best Time to Buy and Sell Stock Sliding Window
Easy
4
Valid Parentheses Stack
Easy
5
Binary Search Binary Search
Easy
6
Reverse Linked List Linked List
Easy
7
Invert Binary Tree Trees
Easy
8
Number of Islands Graphs
Medium
9
Climbing Stairs Dynamic Programming
Easy
10
3Sum Arrays & Hashing
Medium
11
Group Anagrams Arrays & Hashing
Medium
12
Longest Substring Without Repeating Characters Sliding Window
Medium
13
Binary Tree Level Order Traversal Trees
Medium
14
Top K Frequent Elements Heap / Priority Queue
Medium
15
Merge Intervals Intervals
Medium