Add Two Numbers

add-two-numbers

Maximum Subarray

maximum-subarray

LRU Cache

lru-cache

House Robber

house-robber

Burst Balloons

burst-balloons

Predict the Winner

predict-the-winner

Longest Palindromic Subsequence

longest-palindromic-subsequence

Remove Boxes

remove-boxes

Palindromic Substrings

palindromic-substrings

Strange Printer

strange-printer

Stone Game

stone-game

Number of Valid Words in a Sentence

number-of-valid-words-in-a-sentence

Two Sum

two-sum

Longest Palindromic Substring

longest-palindromic-substring

Merge k Sorted Lists

merge-k-sorted-lists

Count and Say

count-and-say

Rotate Image

rotate-image

Spiral Matrix

spiral-matrix

Merge Intervals

merge-intervals

Word Search

word-search

Decode Ways

decode-ways

Best Time to Buy and Sell Stock

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

Linked List Cycle

linked-list-cycle

Count Primes

count-primes

Word Search II

word-search-ii

Fizz Buzz

fizz-buzz

Validate IP Address

validate-ip-address

Beautiful Arrangement

beautiful-arrangement

Maximum Difference Between Increasing Elements

maximum-difference-between-increasing-elements

Longest Substring Without Repeating Characters

longest-substring-without-repeating-characters

Container With Most Water

container-with-most-water

Longest Common Prefix

longest-common-prefix

3Sum

3sum

Letter Combinations of a Phone Number

letter-combinations-of-a-phone-number

Valid Parentheses

valid-parentheses

First Missing Positive

first-missing-positive

Group Anagrams

group-anagrams

Unique Paths II

unique-paths-ii

Largest Rectangle in Histogram

largest-rectangle-in-histogram

Restore IP Addresses

restore-ip-addresses

Binary Tree Zigzag Level Order Traversal

binary-tree-zigzag-level-order-traversal

Valid Palindrome

valid-palindrome

Longest Consecutive Sequence

longest-consecutive-sequence

Number of 1 Bits

number-of-1-bits

Kth Largest Element in an Array

kth-largest-element-in-an-array

Valid Anagram

valid-anagram

First Bad Version

first-bad-version

Find the Duplicate Number

find-the-duplicate-number

Game of Life

game-of-life

Top K Frequent Elements

top-k-frequent-elements

Decode String

decode-string

Reconstruct Original Digits from English

reconstruct-original-digits-from-english

Coin Change II

coin-change-ii

Stickers to Spell Word

stickers-to-spell-word

Find Pivot Index

find-pivot-index

Cherry Pickup

cherry-pickup

Cheapest Flights Within K Stops

cheapest-flights-within-k-stops

Rotate String

rotate-string

Expressive Words

expressive-words

Boats to Save People

boats-to-save-people

Pairs of Songs With Total Durations Divisible by 60

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

Remove All Adjacent Duplicates in String II

remove-all-adjacent-duplicates-in-string-ii

Maximum Profit in Job Scheduling

maximum-profit-in-job-scheduling

Convert Binary Number in a Linked List to Integer

convert-binary-number-in-a-linked-list-to-integer

Sort Array by Increasing Frequency

sort-array-by-increasing-frequency

Maximum Population Year

maximum-population-year

Check if Binary String Has at Most One Segment of Ones

check-if-binary-string-has-at-most-one-segment-of-ones

Sum of k-Mirror Numbers

sum-of-k-mirror-numbers

Number of Equal Count Substrings

number-of-equal-count-substrings

Minimum Cost to Make Array Equal

minimum-cost-to-make-array-equal

Cisco

#	Title	Difficulty	Frequency
2	Add Two Numbers	Medium	0.62
53	Maximum Subarray	Medium	2.78
146	LRU Cache	Medium	2.09
198	House Robber	Medium	9.82
312	Burst Balloons	Hard	7.91
486	Predict the Winner	Medium	199.09
516	Longest Palindromic Subsequence	Medium	11.00
546	Remove Boxes	Hard	90.64
647	Palindromic Substrings	Medium	3.97
664	Strange Printer	Hard	89.75
877	Stone Game	Medium	144.86
2047	Number of Valid Words in a Sentence	Easy	37.47