03 2024 档案
摘要：原题链接在这里：https://leetcode.com/problems/product-of-two-run-length-encoded-arrays/description/ 题目： Run-length encoding is a compression algorithm that al
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摘要：原题链接在这里：https://leetcode.com/problems/making-a-large-island/description/ 题目： You are given an n x n binary matrix grid. You are allowed to change at m
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摘要：原题链接在这里：https://leetcode.com/problems/shortest-path-in-a-hidden-grid/description/ 题目： This is an interactive problem. There is a robot in a hidden gri
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摘要：原题链接在这里：https://leetcode.com/problems/sum-of-distances-in-tree/description/ 题目： There is an undirected connected tree with n nodes labeled from 0 to n
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摘要：原题链接在这里：https://leetcode.com/problems/count-nodes-equal-to-average-of-subtree/description/ 题目： Given the root of a binary tree, return the number of n
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摘要：原题链接在这里：https://leetcode.com/problems/maximum-level-sum-of-a-binary-tree/description/ 题目： Given the root of a binary tree, the level of its root is 1,
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摘要：原题链接在这里：https://leetcode.com/problems/recover-a-tree-from-preorder-traversal/description/ 题目： We run a preorder depth-first search (DFS) on the root o
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摘要：原题链接在这里：https://leetcode.com/problems/print-immutable-linked-list-in-reverse/description/题目： You are given an immutable linked list, print out all val
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摘要：原题链接在这里：https://leetcode.com/problems/design-skiplist/description/ 题目： Design a Skiplist without using any built-in libraries. A skiplist is a data st
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摘要：原题链接在这里：https://leetcode.com/problems/dot-product-of-two-sparse-vectors/description/ 题目： Given two sparse vectors, compute their dot product. Implemen
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摘要：原题链接在这里：https://leetcode.com/problems/finding-the-number-of-visible-mountains/description/ 题目： You are given a 0-indexed 2D integer array peaks where
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