Find Unique element in array

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100. Same Tree || Binary Tree || Leetcode.100 || Easy || java

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104. Maximum Depth of Binary Tree || leetcode.104 || Easy || java

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21. Merge Two Sorted Lists || LinkedList || leetcode.21 || Easy || java

141. Linked List Cycle || LinkedList || leetcode || Easy|| java

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2 February 2024

20. Valid Parentheses || Stack || leetcode || java

288. Summary Ranges leetcode problems #java

228. Summary Ranges || Arrays || leetcode 228 || java

219. Contains Duplicate Arrays || HashMap || LeetCode 219 || java

202. Happy Number || leetcode 202 || HashSet || java

1. Two Sum || Arrays || HashMap || leetCode 1|| Two ways || Easy || java

242. Valid Anagram || Strings || HashMap || leetCode 242 || Easy || java

290. Word Pattern || Strings || HashMap || leetCode 290 || Easy || java

205. Isomorphic Strings || HashMap || leetCode 205 || Easy || java

383. Ransom Note || Strings || HashMap || Tc 0(m+r) || leetCode 383 || java

392. Is Subsequence || Strings || leetCode 392 || Easy || java

125. Valid Palindrome || String || leetCode 125 || java

14. Longest Common Prefix || String arrays || leetCode 14 || java

58. Length of Last Word || Strings || leetCode 58 || easy solution || java