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Top Greedy Algorithm Mastery (Interview Patterns) Interview Questions

A structured, step-by-step roadmap designed to build pattern mastery, prioritizing the most frequently asked questions in top tech interviews.

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Assign Cookies
Lemonade Change
Valid Parenthesis String
Medium
Maximize Sum Of Array After K Negations
How Many Apples Can You Put into the Basket
Minimum Cost of Buying Candies With Discount
Find Polygon With the Largest Perimeter
Find Maximum Area of a Triangle
Merge Intervals
Medium
Insert Interval
Medium
Non-overlapping Intervals
Medium
Minimum Number of Arrows to Burst Balloons
Medium
Video Stitching
Medium
Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts
Medium
Minimum Initial Energy to Finish Tasks
Eliminate Maximum Number of Monsters
Medium
Jump Game
Medium
Jump Game II
Medium
Gas Station
Medium
Can Place Flowers
Smallest Range II
Medium
Maximum Number of Ones
Medium
Reconstruct a 2-Row Binary Matrix
Medium
Reduce Array Size to The Half
Medium
Equal Sum Arrays With Minimum Number of Operations
Medium
Minimum Elements to Add to Form a Given Sum
Medium
Subsequence of Size K With the Largest Even Sum
Medium
Maximize the Topmost Element After K Moves
Medium
Minimum Replacements to Sort the Array
Merge Operations to Turn Array Into a Palindrome
Medium
Minimum Operations to Make Array Equal II
Medium
Check if it is Possible to Split Array
Medium
Separate Black and White Balls
Medium
Minimize Length of Array Using Operations
Medium
Maximum Array Hopping Score I
Medium
Maximum Points After Enemy Battles
Medium
Maximum Array Hopping Score II
Medium
Maximize Score After Pair Deletions
Medium
Transform Array to All Equal Elements
Medium
Reorganize String
Medium
Remove K Digits
Medium
Longest Happy String
Medium
Split Concatenated Strings
Medium
Break a Palindrome
Medium
Smallest String With A Given Numeric Value
Medium
Maximum Binary String After Change
Medium
Smallest K-Length Subsequence With Occurrences of a Letter
Construct String With Repeat Limit
Medium
Longest Unequal Adjacent Groups Subsequence I
Lexicographically Smallest String After Operations With Constraint
Medium
Task Scheduler
Medium
Minimum Interval to Include Each Query
Meeting Rooms II
Medium
Divide Intervals Into Minimum Number of Groups
Medium
IPO
Furthest Building You Can Reach
Medium
Minimum Cost to Hire K Workers
Minimize Deviation in Array
Candy
Split Array Largest Sum (Greedy + Binary Search)
Partition Labels
Medium
Minimum Factorization
Medium
Stone Game IX
Medium
Minimize XOR
Medium
Maximum Star Sum of a Graph
Medium
Minimum Total Cost to Make Arrays Unequal
Minimum Operations to Reduce an Integer to 0
Medium
Construct the Longest New String
Medium
Minimum Operations to Form Subsequence With Target Sum
Medium
Minimizing Array After Replacing Pairs With Their Product
Apply Operations on Array to Maximize Sum of Squares
Minimize OR of Remaining Elements Using Operations
Maximum Number of Potholes That Can Be Fixed
Medium
Smallest Divisible Digit Product II
Maximum Transactions Without Negative Balance
Minimum Cost to Equalize Arrays Using Swaps
Medium