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Given a paragraph and a list of banned words, return the most frequent word that is not in the list of banned words. It is guaranteed there is at leas 阅读全文
posted @ 2020-05-01 13:12
CNoodle
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Given the root of a binary tree, turn the tree upside down and return the new root. You can turn a binary tree upside down with the following steps: T 阅读全文
posted @ 2020-05-01 12:39
CNoodle
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A valid IP address consists of exactly four integers separated by single dots. Each integer is between 0 and 255 (inclusive) and cannot have leading z 阅读全文
posted @ 2020-05-01 12:02
CNoodle
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Given the head of a singly linked list and two integers left and right where left <= right, reverse the nodes of the list from position left to positi 阅读全文
posted @ 2020-05-01 08:23
CNoodle
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Given a string s, return true if the s can be palindrome after deleting at most one character from it. Example 1: Input: s = "aba" Output: true Exampl 阅读全文
posted @ 2020-05-01 05:52
CNoodle
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Given a binary tree where each path going from the root to any leaf form a valid sequence, check if a given string is a valid sequence in such binary 阅读全文
posted @ 2020-05-01 04:21
CNoodle
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