LeetCode Problems -> Array & Hashing

1. Two Sum

• Leetcode: https://leetcode.com/problems/two-sum
• NeeCode: https://neetcode.io/problems/two-integer-sum
• Medium: https://medium.com/@abdullahniaz/leetcode-problem-1-two-sum-823ec0aeebd7

217. Contains Duplicates

• Leetcode: https://leetcode.com/problems/contains-duplicate
• NeetCode: https://neetcode.io/problems/duplicate-integer
• Medium: https://medium.com/@abdullahniaz/leetcode-problem-217-contains-duplicate-28821e6d25f4

128. Longest Consecutive Sum

• Leetcode: https://leetcode.com/problems/longest-consecutive-sequence
• NeetCode: https://neetcode.io/problems/longest-consecutive-sequence
• Medium: https://abdullahniaz.medium.com/leetcode-problem-128-longest-consecutive-sequence-945ad6371d54

242. Anagram

• Leetcode: https://leetcode.com/problems/valid-anagram/
• NeetCode: https://neetcode.io/problems/is-anagram
• Medium: https://abdullahniaz.medium.com/leetcode-problem-242-valid-anagram-53aebd2d84a3

238. Product of Array Except self

• Leetcode: https://leetcode.com/problems/product-of-array-except-self/
• NeetCode: https://neetcode.io/problems/products-of-array-discluding-self
• Medium: https://abdullahniaz.medium.com/leetcode-problem-238-product-of-array-except-self-4a2d189a585d

49. Group Anagram

• Leetcode: https://leetcode.com/problems/group-anagrams
• NeetCode: https://neetcode.io/problems/anagram-groups
• Medium: https://abdullahniaz.medium.com/leetcode-problem-49-group-anagrams-6a838ff70f32