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

Interview question tracker

LinkedIn 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 Max Stack completed	Max Stack	Solve
Mark Nested List Weight Sum II completed	Nested List Weight Sum II	Solve
Mark All O`one Data Structure completed	All O`one Data Structure	Solve
Mark Max Consecutive Ones III completed	Max Consecutive Ones III	Solve
Mark Shortest Word Distance II completed	Shortest Word Distance II	Solve
Mark Find the Celebrity completed	Find the Celebrity	Solve
Mark Maximum Subarray completed	Maximum Subarray	Solve
Mark Nested List Weight Sum completed	Nested List Weight Sum	Solve
Mark Valid Parentheses completed	Valid Parentheses	Solve
Mark Word Ladder completed	Word Ladder	Solve
Mark Find Leaves of Binary Tree completed	Find Leaves of Binary Tree	Solve
Mark Insert Delete GetRandom O(1) completed	Insert Delete GetRandom O(1)	Solve
Mark Can Place Flowers completed	Can Place Flowers	Solve
Mark Number of Islands completed	Number of Islands	Solve
Mark Letter Combinations of a Phone Number completed	Letter Combinations of a Phone Number	Solve
Mark Maximum Product Subarray completed	Maximum Product Subarray	Solve
Mark Binary Tree Upside Down completed	Binary Tree Upside Down	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 Partition to K Equal Sum Subsets completed	Partition to K Equal Sum Subsets	Solve
Mark Pow(x, n) completed	Pow(x, n)	Solve
Mark Lowest Common Ancestor of a Binary Search Tree completed	Lowest Common Ancestor of a Binary Search Tree	Solve
Mark Minimum Window Substring completed	Minimum Window Substring	Solve
Mark Search in Rotated Sorted Array completed	Search in Rotated Sorted Array	Solve
Mark Sort Transformed Array completed	Sort Transformed Array	Solve
Mark LRU Cache completed	LRU Cache	Solve
Mark Paint House completed	Paint House	Solve
Mark Bulb Switcher completed	Bulb Switcher	Solve
Mark Exclusive Time of Functions completed	Exclusive Time of Functions	Solve
Mark Maximum Depth of Binary Tree completed	Maximum Depth of Binary Tree	Solve
Mark Serialize and Deserialize Binary Tree completed	Serialize and Deserialize Binary Tree	Solve
Mark Symmetric Tree completed	Symmetric Tree	Solve
Mark Isomorphic Strings completed	Isomorphic Strings	Solve
Mark Lowest Common Ancestor of a Binary Tree completed	Lowest Common Ancestor of a Binary Tree	Solve
Mark Closest Binary Search Tree Value II completed	Closest Binary Search Tree Value II	Solve
Mark Shortest Word Distance completed	Shortest Word Distance	Solve
Mark Find Smallest Letter Greater Than Target completed	Find Smallest Letter Greater Than Target	Solve
Mark Random Pick with Weight completed	Random Pick with Weight	Solve
Mark Second Minimum Node In a Binary Tree completed	Second Minimum Node In a Binary Tree	Solve
Mark Design Bounded Blocking Queue completed	Design Bounded Blocking Queue	Solve
Mark Insert Delete GetRandom O(1) - Duplicates allowed completed	Insert Delete GetRandom O(1) - Duplicates allowed	Solve
Mark Kth Largest Element in an Array completed	Kth Largest Element in an Array	Solve
Mark Lowest Common Ancestor of a Binary Tree III completed	Lowest Common Ancestor of a Binary Tree III	Solve
Mark Permutations completed	Permutations	Solve
Mark Factor Combinations completed	Factor Combinations	Solve
Mark Merge Intervals completed	Merge Intervals	Solve
Mark Repeated DNA Sequences completed	Repeated DNA Sequences	Solve
Mark Count Integers in Intervals completed	Count Integers in Intervals	Solve
Mark Longest Palindromic Subsequence completed	Longest Palindromic Subsequence	Solve
Mark Max Points on a Line completed	Max Points on a Line	Solve
Mark Valid Number completed	Valid Number	Solve

Showing the 50 highest-frequency questions from 175 reported in this period.