LeetCode

First Letter to Appear Twice

Equal Row and Column Pairs

Design a Food Rating System

Number of Excellent Pairs

Maximum Number of Books You Can Take

Number of Unique Subjects Taught by Each Teacher

Make Array Zero by Subtracting Equal Amounts

Maximum Number of Groups Entering a Competition

Find Closest Node to Given Two Nodes

Longest Cycle in a Graph

Minimum Costs Using the Train Line

Generate the Invoice

Merge Similar Items

Count Number of Bad Pairs

Task Scheduler II

Minimum Replacements to Sort the Array

Number of Arithmetic Triplets

Reachable Nodes With Restrictions

Check if There is a Valid Partition For The Array

Longest Ideal Subsequence

Minimize Maximum Value in a Grid

Calculate the Influence of Each Salesperson

Largest Local Values in a Matrix

Node With Highest Edge Score

Construct Smallest Number From DI String

Count Special Integers

Sort the Olympic Table

Choose Edges to Maximize Score in a Tree

Minimum Recolors to Get K Consecutive Black Blocks

Time Needed to Rearrange a Binary String

Shifting Letters II

Maximum Segment Sum After Removals

Minimum Hours of Training to Win a Competition

Largest Palindromic Number

Amount of Time for Binary Tree to Be Infected

Find the K-Sum of an Array

Median of a Row Wise Sorted Matrix

Change Null Values in a Table to the Previous Value

Longest Subsequence With Limited Sum

Removing Stars From a String

Minimum Amount of Time to Collect Garbage

Build a Matrix With Conditions

Count Strictly Increasing Subarrays

Employees With Deductions

Find Subarrays With Equal Sum

Strictly Palindromic Number

Maximum Rows Covered by Columns

Maximum Number of Robots Within Budget

Check Distances Between Same Letters

Number of Ways to Reach a Position After Exactly k Steps