12 lessons · DSA pattern
Arrays
Foundations gave you the tools. Arrays is where you start using them. You already know: O(1) lookup with a dict or set — Hashing You already know: how to c…
- Arrays — Overview→
- LC-1. Two Sum→
- LC-217. Contains Duplicate→
- LC-121. Best Time to Buy and Sell Stock→
- LC-53. Maximum Subarray→
- LC-238. Product of Array Except Self→
- LC-152. Maximum Product Subarray→
- LC-11. Container With Most Water→
- LC-42. Trapping Rain Water→
- LC-41. First Missing Positive→
- LC-169. Majority Element→
- Arrays Review→