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View Code? Open in Web Editor NEWA collection of solutions for Medium/Hard LeetCode problems. Educational resource
A collection of solutions for Medium/Hard LeetCode problems. Educational resource
Problem name: 692 Top K Frequent Words
Difficulty: Medium
Language: Python
Problem name: Kth Largest Element in an Array
Difficulty: Medium
Language: Python
Problem name: Longest Palindromic Substring
Difficulty: Medium
Language: Python
Problem name: Count and Say
Difficulty: Easy
Language: Python
Problem name: Reducing Dishes
Difficulty: Hard
Language: C++
Problem name: K Closest Points to Origin
Difficulty: Medium
Language: Python
Problem name: Add Two Numbers
Difficulty: Medium
Language: Python
Problem name: Number of Islands
Difficulty: 200
Language: Python
Problem name: Valid Tic-Tac-Toe State
Difficulty: Medium
Language: C++
Problem name: Increasing Triplet Subsequence
Difficulty: Medium
Language: Python
Problem name: Counting Bits
Difficulty: Medium
Language: Python
Problem name: Jump Game II
Difficulty: Hard
Language: C++
Problem name: Implement pow(x, n), which calculates x raised to the power n (i.e. x^n).
Difficulty: Medium
Language: C
Problem name: 3 Sum
Difficulty: Medium
Language: Java
Problem name: ZigZag Conversion
Difficulty: Medium
Language: C
Problem name: Binary Tree Zigzag Level Order Traversal
Difficulty: Medium
Language: Python
Problem name: Longest_Palindromic_Substring
Difficulty: Medium
Language: C++
Problem name: Minimum Operations to Make Array Equal
Difficulty: Medium
Language: Python
hi, I'm new to open source contribution and hacktoberfest but I have read your contribution guidelines and I would like to contribute to this repo by adding python solution to the problem Rotate Array of LeetCode. Please assign this to me if not assigned to anyone.
I also had a doubt that are we allowed to use the built-in function in algorithm questions like if the question is to sort then except sort() built-in function am I allowed to use other functions like insert, pop. I asked since I'm still learning algorithms and since this repo is for education purpose I thought this would be a great opportunity to learn also. Please forgive me if I have asked some wrong questions or questions which should not be asked.
Problem name: Rotate Array
Difficulty: medium
Language: python
Problem name: 3Sum Closest
Difficulty: Medium
Language: Python
Problem name: 54. Spiral Matrix
Difficulty: Medium
Language: Python
Problem name: Shortest Palindrome
Difficulty: 214
Language: Python
Problem name: Generate Parentheses
Difficulty: Medium
Language: Python
Can you assign this problem to me.
Problem name: Longest Common Prefix
Difficulty: Easy
Language: Python
Problem name:Longest Valid Parentheses
Difficulty:Hard
Language:C++
I would like to contribute my solution for this problem.
Please assign me to do it.
Problem name: 4. Median of Two Sorted Arrays
Difficulty: hard
Language: python
Problem name: Find the Winner of an Array Game
Difficulty: medium
Language: python
I tried hard to solve this problem on LeetCode and I would like to contribute by adding the solution to this problem. please assign me if anyone is not assigned.
Problem name: First Missing Positive
Difficulty: 41
Language: C++
Problem name: Linked List Cycle II
Difficulty: medium
Language: python
I would like to contribute by providing solution to this problem in python from LeetCode. Please assign me if anyone is not assigned. I had a doubt that someone already given solution to this in Java and I have solved this in python this would be allowed right if not then my apologies and also I will remove this issue in that case.
Problem name: Counting Bits
Difficulty: Medium
Language: Python
Please assign it to me.
Problem name: Jump Game
Difficulty: Medium
Language: Python
Problem name: Linked List Cycle II
Difficulty: Medium
Language: Java
Problem name: Longest Substring Without Repeating Characters
Difficulty: Medium
Language: Python
According to Hacktoberfest website, the repo should have a contribution guideline file named CONTRIBUTING.md
Problem name: Generate Parentheses
Difficulty: Medium
Language: Go
Problem name: Serialize and Deserialize Binary Tree
Difficulty: Hard
Language: Python
Problem name: Count Square Submatrices with All Ones
Difficulty: Medium
Language: C++
Problem name: Decode Ways
Difficulty: Medium
Language: C++
Problem name: Wildcard Matching
Difficulty: hard
Language: C++
Problem name: 139. Word Break
Difficulty: Medium
Language: Python
Problem name: Find Kth Bit in Nth Binary String
Difficulty: Medium
Language: Python
Problem name: Queue Reconstruction by Height
Difficulty: Medium
Language: C++
Problem name: Construct Binary Search Tree from Preorder Traversal
Difficulty: Medium
Language: C++
I would like to contribute my solution for this problem.
Please assign me to do it.
Hey I would like to contribute to the repo by adding the CPP solution to the problem Minimum Deletion Cost to Avoid Repeating Letters of leetcode. If already not assigned it to anyone, please assign it to me.
Problem name: Minimum Deletion Cost to Avoid Repeating Letters
Difficulty: Medium
Language: C++
Problem name: Word Search II
Difficulty: Hard
Language: Python
Problem name:ZigZag Conversion
Difficulty: Medium
Language: Go
Problem name: Strong Password Checker
Difficulty: Hard
Language: C++
Problem name: String to Integer (atoi)
Difficulty: Medium
Language: Python
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