Letter Combinations of a Phone Number

letter-combinations-of-a-phone-number

Remove K Digits

remove-k-digits

Number of Wonderful Substrings

number-of-wonderful-substrings

Count of Integers

count-of-integers

Make Costs of Paths Equal in a Binary Tree

make-costs-of-paths-equal-in-a-binary-tree

Next Permutation

next-permutation

Maximum Subarray

maximum-subarray

Product of Array Except Self

product-of-array-except-self

Longest Increasing Path in a Matrix

longest-increasing-path-in-a-matrix

Insert Delete GetRandom O(1)

insert-delete-getrandom-o1

Minimum Cost to Merge Stones

minimum-cost-to-merge-stones

Container With Most Water

container-with-most-water

First Missing Positive

first-missing-positive

Trapping Rain Water

trapping-rain-water

Rotate Image

rotate-image

Sort Colors

sort-colors

Triangle

triangle

Best Time to Buy and Sell Stock

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

Best Time to Buy and Sell Stock II

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

Number of Islands

number-of-islands

Sliding Window Maximum

sliding-window-maximum

Lexicographical Numbers

lexicographical-numbers

Max Area of Island

max-area-of-island

Asteroid Collision

asteroid-collision

Daily Temperatures

daily-temperatures

Cheapest Flights Within K Stops

cheapest-flights-within-k-stops

Shortest Subarray with Sum at Least K

shortest-subarray-with-sum-at-least-k

All Nodes Distance K in Binary Tree

all-nodes-distance-k-in-binary-tree

Find the Shortest Superstring

find-the-shortest-superstring

Verifying an Alien Dictionary

verifying-an-alien-dictionary

Binary Tree Cameras

binary-tree-cameras

Max Consecutive Ones III

max-consecutive-ones-iii

Pairs of Songs With Total Durations Divisible by 60

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

Longest Happy String

longest-happy-string

Minimum Number of Taps to Open to Water a Garden

minimum-number-of-taps-to-open-to-water-a-garden

Maximum Performance of a Team

maximum-performance-of-a-team

Get the Maximum Score

get-the-maximum-score

Relative Sort Array

relative-sort-array

Greatest Sum Divisible by Three

greatest-sum-divisible-by-three

Number of Substrings Containing All Three Characters

number-of-substrings-containing-all-three-characters

Max Number of K-Sum Pairs

max-number-of-k-sum-pairs

Sum Game

sum-game

Removing Minimum Number of Magic Beans

removing-minimum-number-of-magic-beans

Query Kth Smallest Trimmed Number

query-kth-smallest-trimmed-number

Equal Row and Column Pairs

equal-row-and-column-pairs

Maximum Deletions on a String

maximum-deletions-on-a-string

Median of a Row Wise Sorted Matrix

median-of-a-row-wise-sorted-matrix

Maximum Subsequence Score

maximum-subsequence-score

Determine the Winner of a Bowling Game

determine-the-winner-of-a-bowling-game

Take Gifts From the Richest Pile

take-gifts-from-the-richest-pile

Find the Maximum Divisibility Score

find-the-maximum-divisibility-score

Shortest String That Contains Three Strings

shortest-string-that-contains-three-strings

DE Shaw

#	Title	Difficulty	Frequency
17	Letter Combinations of a Phone Number	Medium	1.56
402	Remove K Digits	Medium	13.39
1915	Number of Wonderful Substrings	Medium	82.27
2719	Count of Integers	Hard	52.45
2673	Make Costs of Paths Equal in a Binary Tree	Medium	43.21