Valid Parentheses

valid-parentheses

Generate Parentheses

generate-parentheses

Next Permutation

next-permutation

Group Anagrams

group-anagrams

Count Numbers with Unique Digits

count-numbers-with-unique-digits

Non-overlapping Intervals

non-overlapping-intervals

Subarray Sum Equals K

subarray-sum-equals-k

Reaching Points

reaching-points

Pairs of Songs With Total Durations Divisible by 60

pairs-of-songs-with-total-durations-divisible-by-60

Numbers With Repeated Digits

numbers-with-repeated-digits

Break a Palindrome

break-a-palindrome

Find Resultant Array After Removing Anagrams

find-resultant-array-after-removing-anagrams

Sort Integers by The Number of 1 Bits

sort-integers-by-the-number-of-1-bits

Least Number of Unique Integers after K Removals

least-number-of-unique-integers-after-k-removals

Minimum Suffix Flips

minimum-suffix-flips

Remove Colored Pieces if Both Neighbors are the Same Color

remove-colored-pieces-if-both-neighbors-are-the-same-color

Check Whether Two Strings are Almost Equivalent

check-whether-two-strings-are-almost-equivalent

Maximum Subarray

maximum-subarray

Merge Intervals

merge-intervals

Contains Duplicate

contains-duplicate

Fizz Buzz

fizz-buzz

Reconstruct Original Digits from English

reconstruct-original-digits-from-english

Uncommon Words from Two Sentences

uncommon-words-from-two-sentences

Fibonacci Number

fibonacci-number

Maximum Number of Events That Can Be Attended

maximum-number-of-events-that-can-be-attended

Maximum Units on a Truck

maximum-units-on-a-truck

Two Sum

two-sum

Add Two Numbers

add-two-numbers

Longest Substring Without Repeating Characters

longest-substring-without-repeating-characters

Reverse Integer

reverse-integer

Regular Expression Matching

regular-expression-matching

Container With Most Water

container-with-most-water

Roman to Integer

roman-to-integer

Count and Say

count-and-say

Wildcard Matching

wildcard-matching

Pow(x, n)

powx-n

Decode Ways

decode-ways

Best Time to Buy and Sell Stock

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

Valid Palindrome

valid-palindrome

LRU Cache

lru-cache

Maximum Product Subarray

maximum-product-subarray

Number of Islands

number-of-islands

Reverse Linked List

reverse-linked-list

Product of Array Except Self

product-of-array-except-self

Valid Anagram

valid-anagram

Move Zeroes

move-zeroes

Reconstruct Itinerary

reconstruct-itinerary

Counting Bits

counting-bits

Intersection of Two Arrays

intersection-of-two-arrays

Evaluate Division

evaluate-division

Count Binary Substrings

count-binary-substrings

Consecutive Numbers Sum

consecutive-numbers-sum

Middle of the Linked List

middle-of-the-linked-list

Rotting Oranges

rotting-oranges

Camelcase Matching

camelcase-matching

Minimum Cost to Connect Sticks

minimum-cost-to-connect-sticks

Minimum Absolute Difference

minimum-absolute-difference

Minimum Value to Get Positive Step by Step Sum

minimum-value-to-get-positive-step-by-step-sum

Minimum Swaps to Make Strings Equal

minimum-swaps-to-make-strings-equal

Display Table of Food Orders in a Restaurant

display-table-of-food-orders-in-a-restaurant

Lexicographically Smallest String After Applying Operations

lexicographically-smallest-string-after-applying-operations

Determine Color of a Chessboard Square

determine-color-of-a-chessboard-square

Suspicious Bank Accounts

suspicious-bank-accounts

Check if Number Has Equal Digit Count and Digit Value

check-if-number-has-equal-digit-count-and-digit-value

Reverse Odd Levels of Binary Tree

reverse-odd-levels-of-binary-tree

Maximum Number of Points From Grid Queries

maximum-number-of-points-from-grid-queries

JPMorgan

#	Title	Difficulty	Frequency
20	Valid Parentheses	Easy	0.37
22	Generate Parentheses	Medium	1.45
31	Next Permutation	Medium	64.03
49	Group Anagrams	Medium	0.84
357	Count Numbers with Unique Digits	Medium	22.07
435	Non-overlapping Intervals	Medium	8.29
560	Subarray Sum Equals K	Medium	1.77
780	Reaching Points	Hard	324.32
1010	Pairs of Songs With Total Durations Divisible by 60	Medium	91.88
1012	Numbers With Repeated Digits	Hard	133.68
1328	Break a Palindrome	Medium	165.33
2273	Find Resultant Array After Removing Anagrams	Easy	78.57
1356	Sort Integers by The Number of 1 Bits	Easy	212.78
1481	Least Number of Unique Integers after K Removals	Medium	265.00
1529	Minimum Suffix Flips	Medium	276.87
2038	Remove Colored Pieces if Both Neighbors are the Same Color	Medium	231.99
2068	Check Whether Two Strings are Almost Equivalent	Easy	81.97