原文链接: https://leetcode-cn.com/problems/maximum-level-sum-of-a-binary-tree
英文原文Given the root of a binary tree, the lev
分类详情
中等 分类
原文链接: https://leetcode-cn.com/problems/as-far-from-land-as-possible
英文原文Given an n x n grid containing only value
原文链接: https://leetcode-cn.com/problems/robot-bounded-in-circle
英文原文On an infinite plane, a robot initially stands at (
原文链接: https://leetcode-cn.com/problems/flower-planting-with-no-adjacent
英文原文You have n gardens, labeled from 1 to n, a
原文链接: https://leetcode-cn.com/problems/partition-array-for-maximum-sum
英文原文Given an integer array arr, partition the a
原文链接: https://leetcode-cn.com/problems/longest-string-chain
英文原文You are given an array of words where each word consis
原文链接: https://leetcode-cn.com/problems/last-stone-weight-ii
英文原文You are given an array of integers stones where stones
原文链接: https://leetcode-cn.com/problems/grumpy-bookstore-owner
英文原文There is a bookstore owner that has a store open for
原文链接: https://leetcode-cn.com/problems/previous-permutation-with-one-swap
英文原文Given an array of positive integers arr
原文链接: https://leetcode-cn.com/problems/distant-barcodes
英文原文In a warehouse, there is a row of barcodes, where the ith