Make your practice count.Sign in to track completed questions across devices. Everything is free to browse.

Interview question tracker

Meta SDE 1

The 50 highest-frequency questions from all time. Finish the strongest signals first.

One question at a time.

Top questions 50

Done	Question	LeetCode
Mark Minimum Remove to Make Valid Parentheses completed	Minimum Remove to Make Valid Parentheses	Solve
Mark Valid Word Abbreviation completed	Valid Word Abbreviation	Solve
Mark Valid Palindrome II completed	Valid Palindrome II	Solve
Mark Binary Tree Vertical Order Traversal completed	Binary Tree Vertical Order Traversal	Solve
Mark Kth Largest Element in an Array completed	Kth Largest Element in an Array	Solve
Mark Two Sum completed	Two Sum	Solve
Mark Basic Calculator II completed	Basic Calculator II	Solve
Mark Lowest Common Ancestor of a Binary Tree III completed	Lowest Common Ancestor of a Binary Tree III	Solve
Mark Nested List Weight Sum completed	Nested List Weight Sum	Solve
Mark Random Pick with Weight completed	Random Pick with Weight	Solve
Mark Subarray Sum Equals K completed	Subarray Sum Equals K	Solve
Mark Diameter of Binary Tree completed	Diameter of Binary Tree	Solve
Mark Lowest Common Ancestor of a Binary Tree completed	Lowest Common Ancestor of a Binary Tree	Solve
Mark Merge Sorted Array completed	Merge Sorted Array	Solve
Mark Find Peak Element completed	Find Peak Element	Solve
Mark Binary Tree Right Side View completed	Binary Tree Right Side View	Solve
Mark Merge Intervals completed	Merge Intervals	Solve
Mark Pow(x, n) completed	Pow(x, n)	Solve
Mark Simplify Path completed	Simplify Path	Solve
Mark Buildings With an Ocean View completed	Buildings With an Ocean View	Solve
Mark Valid Palindrome completed	Valid Palindrome	Solve
Mark Best Time to Buy and Sell Stock completed	Best Time to Buy and Sell Stock	Solve
Mark Top K Frequent Elements completed	Top K Frequent Elements	Solve
Mark Shortest Path in Binary Matrix completed	Shortest Path in Binary Matrix	Solve
Mark Dot Product of Two Sparse Vectors completed	Dot Product of Two Sparse Vectors	Solve
Mark Next Permutation completed	Next Permutation	Solve
Mark LRU Cache completed	LRU Cache	Solve
Mark Sum Root to Leaf Numbers completed	Sum Root to Leaf Numbers	Solve
Mark Copy List with Random Pointer completed	Copy List with Random Pointer	Solve
Mark Range Sum of BST completed	Range Sum of BST	Solve
Mark K Closest Points to Origin completed	K Closest Points to Origin	Solve
Mark Merge k Sorted Lists completed	Merge k Sorted Lists	Solve
Mark Max Consecutive Ones III completed	Max Consecutive Ones III	Solve
Mark Valid Parentheses completed	Valid Parentheses	Solve
Mark Add Two Numbers completed	Add Two Numbers	Solve
Mark Interval List Intersections completed	Interval List Intersections	Solve
Mark Find First and Last Position of Element in Sorted Array completed	Find First and Last Position of Element in Sorted Array	Solve
Mark Moving Average from Data Stream completed	Moving Average from Data Stream	Solve
Mark Custom Sort String completed	Custom Sort String	Solve
Mark Making A Large Island completed	Making A Large Island	Solve
Mark Minimum Window Substring completed	Minimum Window Substring	Solve
Mark Minimum Add to Make Parentheses Valid completed	Minimum Add to Make Parentheses Valid	Solve
Mark Maximum Swap completed	Maximum Swap	Solve
Mark 3Sum completed	3Sum	Solve
Mark Clone Graph completed	Clone Graph	Solve
Mark Longest Common Prefix completed	Longest Common Prefix	Solve
Mark Vertical Order Traversal of a Binary Tree completed	Vertical Order Traversal of a Binary Tree	Solve
Mark Longest Substring Without Repeating Characters completed	Longest Substring Without Repeating Characters	Solve
Mark Kth Missing Positive Number completed	Kth Missing Positive Number	Solve
Mark Valid Number completed	Valid Number	Solve

Showing the 50 highest-frequency questions from 1399 reported in this period.