README.md

LeetCode-75_LEVEL1

Questions

DAYS	LEETCODE PROBLEM NO	NAME	DIFFICULTY	SOLUTIONS
DAY1	1480	Running Sum of 1d Array	Easy	👉Click Here
	724	Find Pivot Index	Easy	👉Click Here
DAY2	205	Isomorphic Strings	Easy	👉Click Here
	392	Is Subsequence	Easy	👉Click Here
DAY3	21	Merge Two Sorted Lists	Easy	👉Click Here
	206	Reverse Linked List	Easy	👉Click Here
DAY4	876	Middle of the Linked List	Easy	👉Click Here
	142	Linked List Cycle II	Medium	👉Click Here
DAY5	121	Best Time to Buy and Sell Stock	Easy	👉Click Here
	409	Longest Palindrome	Easy	👉Click Here
DAY6	589	N-ary Tree Preorder Traversal	Easy	👉Click Here
	102	Binary Tree Level Order Traversal	Medium	👉Click Here
DAY7	704	Binary Search	Easy	👉Click Here
	278	First Bad Version	Easy	👉Click Here
DAY8	98	Validate Binary Search Tree	Medium	👉Click Here
	235	Lowest Common Ancestor of a Binary Search Tree	Easy	👉Click Here
DAY9	733	Flood Fill	Easy	👉Click Here
	200	Number of Islands	Medium	👉Click Here
DAY10	509	Fibonacci Number	Easy	👉Click Here
	70	Climbing Stairs	Easy	👉Click Here
DAY11	746	Min Cost Climbing Stairs	Easy	👉Click Here
	62	Unique Paths	Medium	👉Click Here
DAY12	438	Find All Anagrams in a String	Medium	👉Click Here
	424	Longest Repeating Character Replacement	Medium	👉Click Here
DAY13	1	Two Sum	Easy	👉Click Here
	299	Bulls and Cows	Medium	👉Click Here
DAY14	844	Backspace String Compare	Easy	👉Click Here
	394	Decode String	Medium	👉Click Here
DAY15	1046	Last Stone Weight	Easy	👉Click Here
	692	Top K Frequent Words	Medium	👉Click Here

🛠 Skills

Data Structures,Algorithms,Prefix Sum,String,Linked List,Greedy,Tree,Binary Search,Binary Search Tree,Graph/BFS/DFS,Dynamic Programming,Sliding Window/Two Pointer,Hashmap,Stack,Heap,java

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