String to Integer (atoi)

string-to-integer-atoi

LRU Cache

lru-cache

Two Sum

two-sum

Number of Islands

number-of-islands

Lowest Common Ancestor of a Binary Tree

lowest-common-ancestor-of-a-binary-tree

Burst Balloons

burst-balloons

Longest Increasing Path in a Matrix

longest-increasing-path-in-a-matrix

Longest Substring Without Repeating Characters

longest-substring-without-repeating-characters

Median of Two Sorted Arrays

median-of-two-sorted-arrays

Longest Palindromic Substring

longest-palindromic-substring

Reverse Integer

reverse-integer

Container With Most Water

container-with-most-water

Next Permutation

next-permutation

Find First and Last Position of Element in Sorted Array

find-first-and-last-position-of-element-in-sorted-array

Trapping Rain Water

trapping-rain-water

Group Anagrams

group-anagrams

Maximum Subarray

maximum-subarray

Merge Intervals

merge-intervals

Add Binary

add-binary

Set Matrix Zeroes

set-matrix-zeroes

Search a 2D Matrix

search-a-2d-matrix

Sort Colors

sort-colors

Word Search

word-search

Binary Tree Zigzag Level Order Traversal

binary-tree-zigzag-level-order-traversal

Best Time to Buy and Sell Stock

best-time-to-buy-and-sell-stock

Binary Tree Maximum Path Sum

binary-tree-maximum-path-sum

Reorder List

reorder-list

Find Minimum in Rotated Sorted Array

find-minimum-in-rotated-sorted-array

Intersection of Two Linked Lists

intersection-of-two-linked-lists

Largest Number

largest-number

Best Time to Buy and Sell Stock IV

best-time-to-buy-and-sell-stock-iv

Reverse Linked List

reverse-linked-list

Move Zeroes

move-zeroes

Range Sum Query 2D - Immutable

range-sum-query-2d-immutable

Coin Change

coin-change

Trapping Rain Water II

trapping-rain-water-ii

Next Greater Element II

next-greater-element-ii

Find Largest Value in Each Tree Row

find-largest-value-in-each-tree-row

Subarray Sum Equals K

subarray-sum-equals-k

Is Graph Bipartite?

is-graph-bipartite

Middle of the Linked List

middle-of-the-linked-list

Squares of a Sorted Array

squares-of-a-sorted-array

Longest Arithmetic Subsequence

longest-arithmetic-subsequence

Shortest Path in Binary Matrix

shortest-path-in-binary-matrix

Cherry Pickup II

cherry-pickup-ii

Two Sum IV - Input is a BST

two-sum-iv-input-is-a-bst

Vertical Order Traversal of a Binary Tree

vertical-order-traversal-of-a-binary-tree

Number of Paths with Max Score

number-of-paths-with-max-score

Largest 1-Bordered Square

largest-1-bordered-square

Maximum Height by Stacking Cuboids 

maximum-height-by-stacking-cuboids

Maximum Product of Two Elements in an Array

maximum-product-of-two-elements-in-an-array

Number of Nodes in the Sub-Tree With the Same Label

number-of-nodes-in-the-sub-tree-with-the-same-label

Minimize Deviation in Array

minimize-deviation-in-array

Minimum Number of Operations to Make String Sorted

minimum-number-of-operations-to-make-string-sorted

Stone Game IX

stone-game-ix

Partition Array Into Two Arrays to Minimize Sum Difference

partition-array-into-two-arrays-to-minimize-sum-difference

Find the Width of Columns of a Grid

find-the-width-of-columns-of-a-grid

Design Graph With Shortest Path Calculator

design-graph-with-shortest-path-calculator

Minimum Cost of a Path With Special Roads

minimum-cost-of-a-path-with-special-roads

Samsung

#	Title	Link	Difficulty	Frequency
8	String to Integer (atoi)		Medium	0.61
146	LRU Cache		Medium	1.22