まだ理解してない問題

解いた問題に対して初見で解けたか、もし解けなくてお模範解答や解説動画を見て理解したかをメモしているが、理解できていない問題をまとめたまあまああるな...

@ Neet Code 150

Array & Hashing

Two Pointers

Sliding Window

Minimum Window Substring:

Stack

Largest Rectangle In Histogram:

Binary Search

Koko Eating Bananas
Median of Two Sorted Arrays

Heap / Priority Queue

Task Scheduler
Find Median From Data Stream

Backtracking

Permutations
Combination Sum II
N Queens

Graphs

Course Schedule II
Word Ladder

Advanced Graphs

Reconstruct Itinerary
Swim in Rising Water
Cheapest Flights Within K Stops

1-D Dynamic Programming

Partition Equal Subset Sum

2-D Dynamic Programming

Unique Paths
Best Time to Buy And Sell Stock With Cooldown
Coin Change II

Greedy

Maximum Subarray
Jump Game II
Gas Station
Partition Labels

Intervals

Minimum Interval to Include Each Query

Math & Geometry

Plus One
Pow

@ Neet Code All

Array & Hashing

Remove Element
Brick Wall
Subarray Sum Equal K
Minimum Number of Swaps to Make The String Balanced
Maximum Product of The Length of Two Palindromic Subsequences
Grid Game
Push Dominoes
Non-decreasing Array

Two Pointers

Remove Duplicates From Sorted Array II
4 Sum
Number of Subsequences That Satisfy The Given Sum Condition
Array With Elements Not Equal to Average of Neighbors

Sliding Window

Frequency of The Most Frequent Elemen
Find K Closest Elements
Minimum Operations to Reduce X to Zero
Minimum Number of Flips to Make The Binary String Alternating

Binary Search

Minimize the Maximum Difference of Pairs

Graphs

Snakes And Ladders
Open The Lock