dhrupad17/LeetCode-75_LEVEL2

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.

LeetCode-75_LEVEL2

Questions

DAYS	LEETCODE PROBLEM NO	NAME	DIFFICULTY	SOLUTIONS
DAY1	202	Happy Number	Easy	👉Click Here
	54	Spiral Matrix	Medium	👉Click Here
	1706	Where Will the Ball Fall	Medium	👉Click Here
DAY2	14	Longest Common Prefix	Easy	👉Click Here
	43	Multiply Strings	Medium	👉Click Here
DAY3	19	Remove Nth Node From End of List	Medium	👉Click Here
	234	Palindrome Linked List	Easy	👉Click Here
DAY4	328	Odd Even Linked List	Medium	👉Click Here
	148	Sort List	Medium	👉Click Here
DAY5	2131	Longest Palindrome by Concatenating Two Letter Words	Medium	👉Click Here
	621	Task Scheduler	Medium	👉Click Here
DAY6	226	Invert Binary Tree	Easy	👉Click Here
	110	Balanced Binary Tree	Easy	👉Click Here
DAY7	543	Diameter of Binary Tree	Easy	👉Click Here
	437	Path Sum III	Medium	👉Click Here
DAY8	74	Search a 2D Matrix	Medium	👉Click Here
	33	Search in Rotated Sorted Array	Medium	👉Click Here
DAY9	108	Convert Sorted Array to Binary Search Tree	Easy	👉Click Here
	230	Kth Smallest Element in a BST	Medium	👉Click Here
DAY10	994	Rotting Oranges	Medium	👉Click Here
	417	Pacific Atlantic Water Flow	Medium	👉Click Here
DAY11	210	Course Schedule II	Medium	👉Click Here
	815	Bus Routes	Hard	👉Click Here
DAY12	198	House Robber	Medium	👉Click Here
	322	Coin Change	Medium	👉Click Here
DAY13	416	Partition Equal Subset Sum	Medium	👉Click Here
	152	Maximum Product Subarray	Medium	👉Click Here
DAY14	3	Longest Substring Without Repeating Characters	Medium	👉Click Here
	16	3Sum Closest	Medium	👉Click Here
	76	Minimum Window Substring	Hard	👉Click Here
DAY15	100	Same Tree	Easy	👉Click Here
	101	Symmetric Tree	Easy	👉Click Here
	199	Binary Tree Right Side View	Medium	👉Click Here
DAY16	232	Implement Queue using Stacks	Easy	👉Click Here
	165	Min Stack	Medium	👉Click Here
	208	Implement Trie (Prefix Tree)	Medium	👉Click Here
DAY17	57	Insert Interval	Medium	👉Click Here
	56	Merge Intervals	Medium	👉Click Here
DAY18	735	Asteroid Collision	Medium	👉Click Here
	227	Basic Calculator II	Medium	👉Click Here
DAY19	547	Number of Provinces	Medium	👉Click Here
	947	Most Stones Removed with Same Row or Column	Medium	👉Click Here
DAY20	39	Combination Sum	Medium	👉Click Here
	46	Permutations	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

🎖️ Badges