摘要:
原题链接在这里:https://leetcode.com/problems/maximum-size-subarray-sum-equals-k/ 题目: Given an array nums and a target value k, find the maximum length of a s 阅读全文
摘要:
原题链接在这里:https://leetcode.com/problems/unique-word-abbreviation/ 题目: An abbreviation of a word follows the form <first letter><number><last letter>. Be 阅读全文
摘要:
原题链接在这里:https://leetcode.com/problems/graph-valid-tree/ 题目: Given n nodes labeled from 0 to n - 1 and a list of undirected edges (each edge is a pair 阅读全文