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3557 questions in one focused tracker. Company collections will use the same saved progress.

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Questions 3557

Done	Question	Resource
Mark Lowest Common Ancestor of a Binary Tree completed	Lowest Common Ancestor of a Binary Tree	Open
Mark Lowest Common Ancestor of a Binary Tree II completed	Lowest Common Ancestor of a Binary Tree II	Open
Mark Lowest Common Ancestor of a Binary Tree III completed	Lowest Common Ancestor of a Binary Tree III	Open
Mark Lowest Common Ancestor of a Binary Tree IV completed	Lowest Common Ancestor of a Binary Tree IV	Open
Mark Lowest Common Ancestor of Deepest Leaves completed	Lowest Common Ancestor of Deepest Leaves	Open
Mark LRU Cache completed	LRU Cache	Open
Mark Lucky Numbers in a Matrix completed	Lucky Numbers in a Matrix	Open
Mark Magical String completed	Magical String	Open
Mark Magic Squares In Grid completed	Magic Squares In Grid	Open
Mark Magnetic Force Between Two Balls completed	Magnetic Force Between Two Balls	Open
Mark Majority Element completed	Majority Element	Open
Mark Majority Element II completed	Majority Element II	Open
Mark Make a Positive Array completed	Make a Positive Array	Open
Mark Make Array Elements Equal to Zero completed	Make Array Elements Equal to Zero	Open
Mark Make Array Empty completed	Make Array Empty	Open
Mark Make Array Non-decreasing completed	Make Array Non-decreasing	Open
Mark Make Array Non-decreasing or Non-increasing completed	Make Array Non-decreasing or Non-increasing	Open
Mark Make Array Zero by Subtracting Equal Amounts completed	Make Array Zero by Subtracting Equal Amounts	Open
Mark Make Costs of Paths Equal in a Binary Tree completed	Make Costs of Paths Equal in a Binary Tree	Open
Mark Make K-Subarray Sums Equal completed	Make K-Subarray Sums Equal	Open
Mark Make Lexicographically Smallest Array by Swapping Elements completed	Make Lexicographically Smallest Array by Swapping Elements	Open
Mark Make Number of Distinct Characters Equal completed	Make Number of Distinct Characters Equal	Open
Mark Make String Anti-palindrome completed	Make String Anti-palindrome	Open
Mark Make String a Subsequence Using Cyclic Increments completed	Make String a Subsequence Using Cyclic Increments	Open
Mark Make Sum Divisible by P completed	Make Sum Divisible by P	Open
Mark Make the Prefix Sum Non-negative completed	Make the Prefix Sum Non-negative	Open
Mark Make The String Great completed	Make The String Great	Open
Mark Make the XOR of All Segments Equal to Zero completed	Make the XOR of All Segments Equal to Zero	Open
Mark Make Three Strings Equal completed	Make Three Strings Equal	Open
Mark Make Two Arrays Equal by Reversing Subarrays completed	Make Two Arrays Equal by Reversing Subarrays	Open
Mark Making A Large Island completed	Making A Large Island	Open
Mark Making File Names Unique completed	Making File Names Unique	Open
Mark Managers with at Least 5 Direct Reports completed	Managers with at Least 5 Direct Reports	Open
Mark Manhattan Distances of All Arrangements of Pieces completed	Manhattan Distances of All Arrangements of Pieces	Open
Mark Map of Highest Peak completed	Map of Highest Peak	Open
Mark Map Sum Pairs completed	Map Sum Pairs	Open
Mark Mark Elements on Array by Performing Queries completed	Mark Elements on Array by Performing Queries	Open
Mark Market Analysis I completed	Market Analysis I	Open
Mark Market Analysis II completed	Market Analysis II	Open
Mark Masking Personal Information completed	Masking Personal Information	Open
Mark Match Alphanumerical Pattern in Matrix I completed	Match Alphanumerical Pattern in Matrix I	Open
Mark Matchsticks to Square completed	Matchsticks to Square	Open
Mark Matrix Block Sum completed	Matrix Block Sum	Open
Mark Matrix Cells in Distance Order completed	Matrix Cells in Distance Order	Open
Mark Matrix Diagonal Sum completed	Matrix Diagonal Sum	Open
Mark Matrix Similarity After Cyclic Shifts completed	Matrix Similarity After Cyclic Shifts	Open
Mark Max Area of Island completed	Max Area of Island	Open
Mark Max Chunks To Make Sorted completed	Max Chunks To Make Sorted	Open
Mark Max Chunks To Make Sorted II completed	Max Chunks To Make Sorted II	Open
Mark Max Consecutive Ones completed	Max Consecutive Ones	Open
Mark Max Consecutive Ones II completed	Max Consecutive Ones II	Open
Mark Max Consecutive Ones III completed	Max Consecutive Ones III	Open
Mark Max Difference You Can Get From Changing an Integer completed	Max Difference You Can Get From Changing an Integer	Open
Mark Max Dot Product of Two Subsequences completed	Max Dot Product of Two Subsequences	Open
Mark Maximal Network Rank completed	Maximal Network Rank	Open
Mark Maximal Range That Each Element Is Maximum in It completed	Maximal Range That Each Element Is Maximum in It	Open
Mark Maximal Rectangle completed	Maximal Rectangle	Open
Mark Maximal Score After Applying K Operations completed	Maximal Score After Applying K Operations	Open
Mark Maximal Square completed	Maximal Square	Open
Mark Maximize Active Section with Trade I completed	Maximize Active Section with Trade I	Open
Mark Maximize Active Section with Trade II completed	Maximize Active Section with Trade II	Open
Mark Maximize Alternating Sum Using Swaps completed	Maximize Alternating Sum Using Swaps	Open
Mark Maximize Amount After Two Days of Conversions completed	Maximize Amount After Two Days of Conversions	Open
Mark Maximize Area of Square Hole in Grid completed	Maximize Area of Square Hole in Grid	Open
Mark Maximize Consecutive Elements in an Array After Modification completed	Maximize Consecutive Elements in an Array After Modification	Open
Mark Maximize Count of Distinct Primes After Split completed	Maximize Count of Distinct Primes After Split	Open
Mark Maximize Cyclic Partition Score completed	Maximize Cyclic Partition Score	Open
Mark Maximize Distance to Closest Person completed	Maximize Distance to Closest Person	Open
Mark Maximize Fixed Points After Deletions completed	Maximize Fixed Points After Deletions	Open
Mark Maximize Greatness of an Array completed	Maximize Greatness of an Array	Open
Mark Maximize Grid Happiness completed	Maximize Grid Happiness	Open
Mark Maximize Happiness of Selected Children completed	Maximize Happiness of Selected Children	Open
Mark Maximize Items completed	Maximize Items	Open
Mark Maximize Number of Nice Divisors completed	Maximize Number of Nice Divisors	Open
Mark Maximize Number of Subsequences in a String completed	Maximize Number of Subsequences in a String	Open
Mark Maximize Palindrome Length From Subsequences completed	Maximize Palindrome Length From Subsequences	Open
Mark Maximize Points After Choosing K Tasks completed	Maximize Points After Choosing K Tasks	Open
Mark Maximize Score After N Operations completed	Maximize Score After N Operations	Open
Mark Maximize Score After Pair Deletions completed	Maximize Score After Pair Deletions	Open
Mark Maximize Score of Numbers in Ranges completed	Maximize Score of Numbers in Ranges	Open
Mark Maximize Spanning Tree Stability with Upgrades completed	Maximize Spanning Tree Stability with Upgrades	Open
Mark Maximize Subarray GCD Score completed	Maximize Subarray GCD Score	Open
Mark Maximize Subarrays After Removing One Conflicting Pair completed	Maximize Subarrays After Removing One Conflicting Pair	Open
Mark Maximize Subarray Sum After Removing All Occurrences of One Element completed	Maximize Subarray Sum After Removing All Occurrences of One Element	Open
Mark Maximize Sum Of Array After K Negations completed	Maximize Sum Of Array After K Negations	Open
Mark Maximize Sum of Device Ratings completed	Maximize Sum of Device Ratings	Open
Mark Maximize Sum of Squares of Digits completed	Maximize Sum of Squares of Digits	Open
Mark Maximize Sum of Weights after Edge Removals completed	Maximize Sum of Weights after Edge Removals	Open
Mark Maximize the Beauty of the Garden completed	Maximize the Beauty of the Garden	Open
Mark Maximize the Confusion of an Exam completed	Maximize the Confusion of an Exam	Open
Mark Maximize the Distance Between Points on a Square completed	Maximize the Distance Between Points on a Square	Open
Mark Maximize the Minimum Game Score completed	Maximize the Minimum Game Score	Open
Mark Maximize the Minimum Powered City completed	Maximize the Minimum Powered City	Open
Mark Maximize the Number of Partitions After Operations completed	Maximize the Number of Partitions After Operations	Open
Mark Maximize the Number of Target Nodes After Connecting Trees I completed	Maximize the Number of Target Nodes After Connecting Trees I	Open
Mark Maximize the Number of Target Nodes After Connecting Trees II completed	Maximize the Number of Target Nodes After Connecting Trees II	Open
Mark Maximize the Profit as the Salesman completed	Maximize the Profit as the Salesman	Open
Mark Maximize the Topmost Element After K Moves completed	Maximize the Topmost Element After K Moves	Open
Mark Maximize Total Cost of Alternating Subarrays completed	Maximize Total Cost of Alternating Subarrays	Open
Mark Maximize Total Tastiness of Purchased Fruits completed	Maximize Total Tastiness of Purchased Fruits	Open