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61. Rotate List. 有一個link list，請把這個link list向右轉k次. 回傳旋傳後的link list. 思路:. 先計算這個link list有幾個node，假設有n個. 向右旋轉k次代表倒數第(k%n)個node會變成head. 如果k%n==0，那旋轉後的link
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876. Middle of the Linked List. 找中間值，如有兩個中間值，取第二個. Example 1:. Input: head = [1,2,3,4,5]. Output: [3,4,5]. Explanation: The middle node of the list is
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141. Linked List Cycle. 確認linked list是否循環. 思路:. 快慢指針end. Python Code:. # Definition for singly-linked list.. # class ListNode:. # def __init__(self, x
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1750. Minimum Length of String After Deleting Similar Ends. 有點北爛. 錯了幾次那種答案是0或1的. 最後在return那邊加了髒東西. 對不起. int minimumLength(string s) {. int l = 0;. int
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https://leetcode.com/problems/minimum-length-of-string-after-deleting-similar-ends/description1750. Minimum Length of String After Deleting Similar En
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