7Algorithms

EPI HonorClass 29 Determine the Critical Height

EPI HonorClass 3 Buy and Sell a Stock K Times

EPI HonorClass 30 Find the Maximum 2D Subarray

EPI HonorClass 31 Implement Huffinan Coding

EPI HonorClass 32 Trapping Water

EPI HonorClass 33 the Heavy Hitter Problem

EPI HonorClass 34 Find the Longest Subarray Whose Sum Is Smaller Than K

EPI HonorClass 35 Road Network

EPI HonorClass 2 Find the First Missing Positive Entry

EPI HonorClass 20 Convert a Sorted Doubly Linked List Into a BST