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This study plan is for those who want to prepare for technical interviews but are uncertain which problems they should focus on. The problems have been carefully curated so that levels 1 and 2 will guide beginner and intermediate users through problems that cover the data structures and algorithms necessary to succeed in interviews with most mid-tier companies. While level 3 provides material to help users whose targets are top-tier companies.

License: MIT License

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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dhrupad17 / leetcode-75_level1 Goto Github PK