yokolet's notelets

Algorithm
Index

Algorithm

Index

Add One Row to Tree

Alert Using Same Key-Card Three or More Times in a One Hour Period

Amount of Time for Binary Tree to Be Infected

Append Characters to String to Make Subsequence

Balanced Binary Tree

Basic Calculator II

Best Time to Buy and Sell Stock -- Basic

Best Time to Buy and Sell Stock II -- Multiple Times

Best Time to Buy and Sell Stock III -- Two Transactions

Best Time to Buy and Sell Stock IV -- At Most K Transactions

Best Time to Buy and Sell Stock with Cooldown

Best Time to Buy and Sell Stock with Transaction Fee

Binary Search Tree Iterator

Binary Tree Inorder Traversal

Binary Tree Maximum Path Sum

Cheapest Flights Within K Stops

Check If N and Its Double Exist

Check if All the Integers in a Range Are Covered

Check if Every Row and Column Contains All Numbers

Climbing Stairs

Closest Binary Search Tree Value

Concatenated Words

Concatenation of Consecutive Binary Numbers

Construct Binary Search Tree from Preorder Traversal

Contains Duplicate II

Contains Duplicate III

Continuous Subarray Sum

Convert Sorted Array to Binary Search Tree

Count Binary Substrings

Count Number of Rectangles Containing Each Point

Count Unique Characters of All Substrings of a Given String

Count Words Obtained After Adding a Letter

Counting Words With a Given Prefix

Delete Node in a BST

Delete Node in a Linked List

Design Circular Queue

Detonate the Maximum Bombs

Divide Intervals Into Minimum Number of Groups

Duplicate Zeros

Earliest Possible Day of Full Bloom

Evaluate Division

Filling Bookcase Shelves

Find All Possible Recipes from Given Supplies

Find First and Last Position of Element in Sorted Array

Find K Closest Elements

Find K-th Smallest Pair Distance

Find Median from Data Stream

Find Original Array From Doubled Array

Find Triangular Sum of an Array

Find Words That Can Be Formed by Characters

Find the Difference of Two Arrays

Flip String to Monotone Increasing

Increasing Order Search Tree

Insert Delete GetRandom O(1)

Insert into a Binary Search Tree

Integer to Roman

K Closest Points to Origin

Koko Eating Bananas

Largest Perimeter Triangle

Largest Rectangle in Histogram

Length of the Longest Valid Substring

License Key Formatting

Longest Common Subsequence

Longest Increasing Path in a Matrix

Longest Palindrome

Longest Palindrome by Concatenating Two Letter Words

Longest String Chain

Lowest Common Ancestor of a Binary Search Tree

Lowest Common Ancestor of a Binary Tree

Make Array Zero by Subtracting Equal Amounts

Make The String Great

Maximum 69 Number

Maximum AND Sum of Array

Maximum Candies Allocated to K Children

Maximum Length of Repeated Subarray

Maximum Length of Subarray With Positive Product

Maximum Length of a Concatenated String with Unique Characters

Maximum Number of Coins You Can Get

Maximum Number of Robots Within Budget

Maximum Number of Visible Points

Maximum Score from Performing Multiplication Operations

Maximum Sum of Distinct Subarrays With Length K

Maximum Twin Sum of a Linked List

Maximum Units on a Truck

Median of Two Sorted Arrays

Meeting Rooms III -- Most Used Room

Merge Intervals

Merge Sorted Array

Merge Two Sorted Lists

Merge k Sorted Lists

Minimum Adjacent Swaps for K Consecutive Ones

Minimum Cost to Connect Sticks

Minimum Genetic Mutation

Minimum Health to Beat Game

Minimum Knight Moves

Minimum Limit of Balls in a Bag

Minimum Number of Days to Make m Bouquets

Minimum Number of Moves to Make Palindrome

Minimum Number of Swaps to Make the Binary String Alternating

Minimum Remove to Make Valid Parentheses

Minimum Swaps To Make Sequences Increasing

Minimum Swaps to Group All 1's Together II

Minimum Time Difference

Minimum Time to Make Rope Colorful

Minimum Window Substring

My Calendar III

Network Delay Time

Number of Flowers in Full Bloom

Number of Good Paths

Number of Islands

Number of Provinces

Number of Ways to Select Buildings

Odd Even Linked List

Online Stock Span

Optimal Partition of String

Pairs of Songs With Total Durations Divisible by 60

Palindrome Linked List

Palindrome Pairs

Partition Array Such That Maximum Difference Is K

Path With Minimum Effort

Path with Maximum Probability

Peeking Iterator

Plates Between Candles

Predict the Winner

Product of Array Except Self

Pseudo-Palindromic Paths in a Binary Tree

Random Pick with Weight

Range Sum of BST

Recover Binary Search Tree

Remove Duplicate Letters

Remove Duplicates from Sorted Array

Remove Nth Node From End of List

Reorder Data in Log Files

Reorganize String

Replace Elements with Greatest Element on Right Side

Reverse Vowels of a String

Reverse Words in a String

Robot Bounded In Circle

Rotting Oranges

Satisfiability of Equality Equations

Search Suggestions System

Shipping Packages in D Days

Shortest Path in a Grid with Obstacles Elimination

Sliding Window Median

Splitting Array

Step-By-Step Directions From a Binary Tree Node to Another

Stock Price Fluctuation

Student Attendance Record II

Subarray Sum Equals K

Subdomain Visit Count

Substring With Largest Variance

Sum of Even Numbers After Queries

Sum of Prefix Scores of Strings

Sum of Subarray Minimums

Sum of Subarray Ranges

Sum of Total Strength of Wizards

Text Justification

The Latest Time to Catch a Bus

The kth Factor of n

Time Based Key-Value Store

Top K Frequent Elements

Total Appeal of A String

Trapping Rain Water

Two Sum IV - Input is a BST

UTF-8 Validation

Unique Binary Search Trees

Unique Email Addresses

Valid Mountain Array

Valid Palindrome

Valid Parentheses

Validate Binary Search Tree

Verifying an Alien Dictionary

Where Will the Ball Fall