<h1><center><img src="https://i.imgur.com/172EExS.png"
height = 50> Leetcode 解題筆記 <img src="https://i.imgur.com/172EExS.png"
height = 50><br></center></h1>
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String 字串
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- [【LeetCode】344. Reverse String](/Mp4n_vPCTeCgM8uu-NaFYA)

Array 陣列
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- [【LeetCode】844. Backspace String Compare](/lU5lUhTIRPycesHxRpgOPQ)
- [【LeetCode】704. Binary Search](/97Wf1SpZSnacdy1CdZuX8g)
- [【LeetCode】59. Spiral Matrix II](/19ZZvFeSSaC5LO0HDHsYpw)

Linked List 串列鏈結
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- [【LeetCode】203. Remove Linked List Elements](/Jv7KHXXvQFK28YidSdpVKA)
- [【LeetCode】206. Reverse Linked List](/axOnj0DSS8KXt-ZLDmIVOw)
- [【LeetCode】2. Add Two Numbers](/A9KDJ5FhQ8mXGujzdSTlgw)

Binary Tree 二元樹
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- [【LeetCode】Binary Tree 筆記](/V-EHqMD2ToaGg4SEZl-ITg)
- [【LeetCode】144. Binary Tree Preorder Traversal](/SvdQxOO_QQactjjjGfWw2w)
- [【LeetCode】102. Binary Tree Level Order Traversal](/8DoeBy1HQFSdGuEywypYVw)
- [【LeetCode】226. Invert Binary Tree](/_6ulobz2SfOWqT9Xzuk1WQ)

Greedy 貪心演算法
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Backtracking 回溯法
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- [【LeetCode】Backtracking 回溯法](/7zDK_ComQ5GVJ9kGN0sFAg)

Dynamic Programming 動態規劃
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Graph 圖論
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- [【LeetCode】Graph](/q8jKx735Qd6N1oKQCMmiYQ)