LeetcodeJavaSolutions

Here you'll find the Leetcode Questions with Optimized java solutions.

How to solve

Each question having it's leetcode question number. By using this number you can nevigae this question on the leetcode. Try to solve the questions if Need help then this repo is for you.
Levels:
🟢 - Easy
🟡 - Medium
🔴 - Hard

Solved LeedCode Problems

Easy

Question No.	Difficulty	Question	Solution
1	🟢	Two Sum	Answer
26	🟢	Remove Duplicates from Sorted Array	Answer
35	🟢	Search Insert Position	Answer
94	🟢	Binary Tree Inorder Traversal	Answer
125	🟢	Valid Palindrome	Answer
136	🟢	Single Number	Answer
144	🟢	Binary Tree Preorder Traversal	Answer
145	🟢	Binary Tree Postorder Traversal	Answer
225	🟢	Implement Stack using Queues	Answer
268	🟢	Missing Number	Answer
278	🟢	First Bad Version	Answer
292	🟢	Nim Game	Answer
349	🟢	Intersection of Two Arrays	Answer
374	🟢	Guess Number Higher or Lower	Answer
501	🟢	Guess Number Higher or Lower	Answer
1380	🟢	Lucky Numbers in a Matrix	Answer
1544	🟢	Make The String Great	Answer
1614	🟢	Maximum Nesting Depth of the Parentheses	Answer
2000	🟢	Reverse Prefix of Word	Answer
2441	🟢	Largest Positive Integer That Exists With Its Negative	Answer
2485	🟢	Find Mode in Binary Search Tree	Answer
2540	🟢	Minimum Common Value	Answer
2605	🟢	Form Smallest Number From Two Digit Arrays	Answer

Medium

Question No.	Difficulty	Question	Solution
102	🟡	Binary Tree Level Order Traversal	Answer
162	🟡	Find Peak Element	Answer
238	🟡	Product of Array Except Self	Answer
452	🟡	Minimum Number of Arrows to Burst Balloons	Answer
678	🟡	Valid Parenthesis String	Answer
791	🟡	Custom Sort String	Answer
930	🟡	Binary Subarrays With Sum	Answer
1038	🟡	Binary Search Tree to Greater Sum Tree	Answer
1171	🟡	Remove Zero Sum Consecutive Nodes from Linked List	Answer
1382	🟡	Balance a Binary Search Tree	Answer
1759	🟡	Count Number of Homogenous Substrings	Answer
1845	🟡	Seat Reservation Manager	Answer
1921	🟡	Eliminate Maximum Number of Monsters	Answer
2849	🟡	Determine if a Cell Is Reachable at a Given Time	Answer

Hard

Question No.	Difficulty	Question	Solution
4	🔴	Median of Two Sorted Arrays	Answer
41	🔴	First Missing Positive	Answer