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You have some number of sticks with positive integer lengths. These lengths are given as an array sticks, where sticks[i] is the length of the ith sti 阅读全文
posted @ 2021-08-29 03:33
苗妙苗
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You are given two string arrays username and website and an integer array timestamp. All the given arrays are of the same length and the tuple [userna 阅读全文
posted @ 2021-08-29 02:55
苗妙苗
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There are n cities labeled from 1 to n. You are given the integer n and an array connections where connections[i] = [xi, yi, costi] indicates that the 阅读全文
posted @ 2021-08-29 01:45
苗妙苗
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Given the root of a binary tree, return the maximum average value of a subtree of that tree. Answers within 10-5 of the actual answer will be accepted 阅读全文
posted @ 2021-08-29 00:52
苗妙苗
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