Millennium

11 LeetCode interview questions

Difficulty Distribution

Easy

2

18%

Medium

6

55%

Hard

3

27%

Top Topics

Array(5)String(4)Dynamic Programming(3)Tree(3)Greedy(2)Depth-First Search(2)Binary Tree(2)Math(1)Stack(1)Backtracking(1)

All Questions

Title	Difficulty	Acceptance	Frequency	Topics
Best Time to Buy and Sell Stock	Easy	56.4%	100.0%	ArrayDynamic Programming
Count Palindromic Subsequences	Hard	41.0%	100.0%	StringDynamic Programming
Valid Parentheses	Easy	43.7%	87.5%	StringStack
Collect Coins in a Tree	Hard	39.6%	87.5%	ArrayTreeGraph Theory+1
Broken Calculator	Medium	55.9%	75.0%	MathGreedy
Remove Invalid Parentheses	Hard	49.8%	75.0%	StringBacktrackingBreadth-First Search
Word Break	Medium	49.1%	75.0%	ArrayHash TableString+3
Path Sum III	Medium	46.3%	75.0%	TreeDepth-First SearchBinary Tree
Validate Binary Search Tree	Medium	35.3%	75.0%	TreeDepth-First SearchBinary Search Tree+1
Merge Intervals	Medium	51.1%	75.0%	ArraySorting
Container With Most Water	Medium	59.5%	75.0%	ArrayTwo PointersGreedy

Showing 11 of 11 questions