Two Sum

two-sum

Perfect Squares

perfect-squares

Longest Substring Without Repeating Characters

longest-substring-without-repeating-characters

Median of Two Sorted Arrays

median-of-two-sorted-arrays

Set Matrix Zeroes

set-matrix-zeroes

Palindrome Linked List

palindrome-linked-list

Bulb Switcher

bulb-switcher

Fibonacci Number

fibonacci-number

Running Sum of 1d Array

running-sum-of-1d-array

Substrings of Size Three with Distinct Characters

substrings-of-size-three-with-distinct-characters

Reverse Integer

reverse-integer

Palindrome Number

palindrome-number

Roman to Integer

roman-to-integer

Longest Common Prefix

longest-common-prefix

Merge Two Sorted Lists

merge-two-sorted-lists

Wildcard Matching

wildcard-matching

Merge Sorted Array

merge-sorted-array

Second Highest Salary

second-highest-salary

Contains Duplicate

contains-duplicate

Add Digits

add-digits

Longest Increasing Subsequence

longest-increasing-subsequence

Count Odd Numbers in an Interval Range

count-odd-numbers-in-an-interval-range

Richest Customer Wealth

richest-customer-wealth

Find Subsequence of Length K With the Largest Sum

find-subsequence-of-length-k-with-the-largest-sum

Accenture

#	Title	Link	Difficulty	Frequency
1	Two Sum		Easy	0.39
279	Perfect Squares		Medium	0.78