【原创】leetCodeOj --- Dungeon Game 解题报告

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【原创】leetCodeOj --- Dungeon Game 解题报告

原题地址: https://oj.leetcode.com/problems/dungeon-game/ 题目内容: The demons had captured the princess (P) and imprisoned her in the bottom-right corner of a dungeon. The dungeon consists of M x N rooms laid out in a 2D grid. Our valiant knight (K) was init…

【原创】leetCodeOj --- Min Stack 解题报告

题目地址: https://oj.leetcode.com/problems/min-stack/ 题目内容: Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. push(x) -- Push element x onto stack. pop() -- Removes the element on top of the stack. top() --…

【原创】leetCodeOj --- Largest Number 解题报告

原题地址: https://oj.leetcode.com/problems/largest-number/ 题目内容: Given a list of non negative integers, arrange them such that they form the largest number. For example, given [3, 30, 34, 5, 9], the largest formed number is 9534330. Note: The result may…

【原创】leetCodeOj --- Majority Element 解题报告(脍炙人口的找n个元素数组中最少重复n/2次的元素)

题目地址: https://oj.leetcode.com/problems/majority-element/ 题目内容: Given an array of size n, find the majority element. The majority element is the element that appears more than ⌊ n/2 ⌋ times. You may assume that the array is non-empty and the majority…

【原创】leetCodeOj --- Sort List 解题报告

今日leetcode链表题全制霸原题地址: https://oj.leetcode.com/problems/sort-list/ 题目内容: Sort List Sort a linked list in O(n log n) time using constant space complexity. 方法: 题目要求是链表排序,同时时间复杂度要求O(n log n),空间复杂度要求常数空间.这意味着你不可以把链表拷贝到数组中,用一个map保留值和指针的对应关系,最后在构造一个链表. 我们需…

【原创】leetCodeOj ---Partition List 解题报告

原题地址: https://oj.leetcode.com/problems/partition-list/ 题目内容: Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x. You should preserve the original relative order of the nodes in…