Building the heap takes O(n) time, and removing (k-1) elements takes O(k log k) time. add: O(log k), as we push or pop an element from the heap of size k. Space Complexity: O(k), as we store at most k elements in the heap. Other Similar LeetCode Problems Kth Largest ...
使用Python2 写的代码如下。 classSolution(object):defnumSimilarGroups(self, strs):""" :type strs: List[str] :rtype: int """N =len(strs) dsu = DSU(N)foriinrange(N):forjinrange(i +1, N):ifself.isSimilar(strs[i], strs[j]): dsu.union(i, j)returndsu.regions()defisSimilar...
解法1:O(N)算法的思想很巧妙,需要一点推理。 // Solution 1: The O(N) solution is clever. You'll need a little reasoning to get ahold of it. 代码1 //Code 1 12 Integer to Roman // #12 整数转罗马数字 描述:如题。 //#12Description: Integer to Roman | LeetCode OJ 解法1:模拟题。 /...
similarPairs = [["great","good"],["fine","good"],["drama","acting"],["skills","talent"]] 9 1 2 3 4 5 6 7 8 9 › ["great","acting","skills"] ["fine","drama","talent"] [["great","good"],["fine","good"],["drama","acting"],["skills","talent"]] ...
https://leetcode.com/problems/similar-string-groups/discuss/296251/DFS-with-Explanation-(Also-Highlighting-Misleading-Strategy) - 回复数字【0】随机推送一道题。 - 回复区间【1 - 1350】内任意数字推送对应的题目。 - 回复关键字 例如【Two Sum】推送对应的题目。
room += 1 else: end_ptr += 1 return room Time: O(nlogn) Space: O(n) 207.Course Schedule(Topological Sort) There are a total ofnumCoursescourses you have to take, labeled from0tonumCourses - 1. You are given an arrayprerequisiteswhereprerequisites[i] = [ai, bi]indicates that youmu...
bool leafSimilar(TreeNode* root1, TreeNode* root2) { } }; 已存储 行1,列 1 运行和提交代码需要登录 Case 1Case 2 root1 = [3,5,1,6,2,9,8,null,null,7,4] 3 5 1 6 2 9 8 7 4 root2 = [3,5,1,6,7,4,2,null,null,null,null,null,null,9,8] 3 5 1 6 7 4 2 9 8...
2449.Minimum-Number-of-Operations-to-Make-Arrays-Similar (M+) 2457.Minimum-Addition-to-Make-Integer-Beautiful (M) 2546.Apply-Bitwise-Operations-to-Make-Strings-Equal (M+) 2551.Put-Marbles-in-Bags (M+) 2561.Rearranging-Fruits (H-) 2598.Smallest-Missing-Non-negative-Integer-After-Operations ...
Provide all my solutions and explanations in Chinese for all the Leetcode coding problems. Same as this: LeetCode All in One 题目讲解汇总(持续更新中...) Click below image to watch YouTube Video Note: All explanations are written in Github Issues, please do not create any new issue or ...
0839 Similar String Groups Go 38.6% Hard 0840 Magic Squares In Grid 37.3% Easy 0841 Keys and Rooms Go 64.3% Medium 0842 Split Array into Fibonacci Sequence Go 36.3% Medium 0843 Guess the Word 46.1% Hard 0844 Backspace String Compare Go 46.4% Easy 0845 Longest Mountain in Array Go...