LeetCode

Algorithms

#	Title	Solutions	Difficulty	Tag
0001	Two Sum	CPP	Easy	Array, HashMap
0009	Palindrome Number	CPP	Easy	Math
0015	3Sum	CPP	Medium	2 Pointer
0020	Valid Parentheses	CPP	Easy	Stack
0034	Find First and Last Position of Element in Sorted Array	CPP	Medium	Binary Search
0053	Maximum Subarray	CPP	Easy	DP
0054	Spiral Matrix	CPP	Medium	Matrix
0073	Set Matrix Zeroes	CPP	Medium	Matrix
0074	Search a 2D Matrix	CPP	Medium	Matrix
0075	Sort Colors	CPP	Medium	2 pointer
0084	Largest Rectangle in Histogram	CPP	HARD	Stack
0088	Merge Sorted Array	CPP	Easy	2 Pointer
0118	Pascal's Triangle	CPP	Easy	Array
0121	Best Time to Buy and Sell Stock	CPP	Easy	Array (Kadane's Algo)
0125	Valid Palindrome	CPP	Easy	2 Pointer
0128	Longest Consecutive Sequence	CPP	Medium	Array
0136	Single Number	CPP	Easy	Bit Manipulation
0153	Find Minimum in Rotated Sorted Array	CPP	Medium	Binary Search
0167	Two Sum II - Input Array Is Sorted	CPP	Medium	Binary Search
0168	Excel Sheet Column Title	CPP	Easy	String
0191	Number of 1 Bits	CPP	Easy	Bit Manipulation
0206	Reverse Linked List	CPP	Easy	LinkedList
0215	Kth Largest Element in an Array	CPP	Medium
0217	Contains Duplicate	CPP	Easy	Array, HashMap, Sorting
0237	Delete Node in a Linked List	CPP	Easy	Linked List
0238	Product of Array Except Self	CPP	Medium	Array
0242	Valid Anagram	CPP	Easy	HashMap
0287	Find the Duplicate Number	CPP	Medium	Array
0338	Counting Bits	CPP	Easy	Bit Manipulation
0344	Reverse String	CPP	Easy	2 Pointer
0347	Top K Frequent Elements	CPP	Medium	HashMap
0350	Intersection of Two Arrays II	CPP	Easy	2 Pointer , HashMap
0412	Fizz Buzz	CPP	Easy
0496	Next Greater Element I	CPP	Easy	Stack
0503	Next Greater Element II	CPP	Medium	Stack
0509	Fibonacci Number	CPP	Easy	Recursion
0566	Reshape the Matrix	CPP	Easy	Matrix
0581	Shortest Unsorted Continuous Subarray	CPP	Medium	2 Pointer
0665	Non-decreasing Array	CPP	Medium	Array
0674	Longest Continuous Increasing Subsequence	CPP	Easy	Array
0739	Daily Temperatures	CPP	Medium	Stack
0771	Jewels and Stones	CPP	Easy
0844	Backspace String Compare	CPP	Easy	Stack, 2 Pointer
0875	Koko Eating Bananas	CPP	Medium	Binary Search
0876	Middle of the Linked List	CPP	Easy	Linked List, 2 Pointer
0901	Online Stock Span	CPP	Medium	Stack
0908	Smallest Range I	CPP	Easy
1011	Capacity To Ship Packages Within D Days	CPP	Medium	Binary Search
1365	How Many Numbers Are Smaller Than the Current Number	CPP	Easy	HashMap
1614	Maximum Nesting Depth of the Parentheses	CPP	Easy	Stack
1757	Recyclable and Low Fat Products	SQL	Easy	Database
2089	Find Target Indices After Sorting Array	CPP	Easy
2177	Find Three Consecutive Integers That Sum to a Given Number	CPP	Medium	Math
2255	Count Prefixes of a Given String	CPP	Easy
2293	Min Max Game	CPP	Easy	Divide & Conquer
2294	Partition Array Such That Maximum Difference Is K	CPP	Medium	Greedy
2341	Maximum Number of Pairs in Array	CPP	Easy	Array
2342	Max Sum of a Pair With Equal Sum of Digits	CPP	Medium
2344	Minimum Deletions to Make Array Divisible	CPP	Hard	Array