return [0, 1] 2、Python解法 我是这样写的 classSolution(object):deftwoSum(self,nums,target):""":type nums: List[int] :type target: int :rtype: List[int]"""foriinrange(0,len(nums)-1):forjinrange(i+1,len(nums)):ifnums[i]+
#Definition for a binary tree node.#class TreeNode(object):#def __init__(self, x):#self.val = x#self.left = None#self.right = NoneclassSolution(object):defmaxDepth(self, root):""":type root: TreeNode :rtype: int"""returnself.search(root, 0)defsearch(self, node, i):ifnodeis...
LeetCode 题库leetcode-cn.com/problemset/all/ 1.两数之和 思路1:两重循环,暴力破解,解决问题就行。。。算法复杂度O(n*n) class Solution(object): def twoSum(self, nums, target): for i in xrange(len(nums) - 1): for j in xrange(i+1, len(nums)): if nums[i] + nums[j] == ...
LeetCode-Solution-Python 说明 这个代码仓库是我在学习《算法与数据结构》的时候,在 LeetCode(英文版) 和LeetCode(中文版) 上做的练习, 。 所有的代码都是通过 LeetCode 在线测评系统检测的,至少是正确的代码,但不一定是时间复杂度和空间复杂度最优的。 建议您安装 Octotree 插件,以获得最佳的阅读体验。 配套...
所以,你需要返回这两个数的索引,即 [0, 1]。这就是答案 The problem "Two Sum" requires finding two numbers in an integer array such that their sum equals a specified target number. You need to return the indices of these two numbers, where indices start from 0. The indices of the two ...
solution feat: add solutions to lc problem: No.2434 (#4465) Jun 6, 2025 .clang-format style: update format options Sep 6, 2022 .editorconfig chore: add configuration file .editorconfig (#3336) Jul 31, 2024 .gitignore chore: update .gitignore Apr 26, 2025 ...
class Solution: def twoSum(self, nums: List[int], target: int) -> List[int]: hashtable = dict() for i, num in enumerate(nums): if target - num in hashtable: return [hashtable[target - num], i] hashtable[nums[i]] = i ...
root.right=self.sortedArrayToBST(num[mid+1:])returnroot Balanced Binary Tree 题目:Balanced Binary Tree Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is defined as a binary tree in which the depth of the two subtrees of every nod...
Space complexity:O(1) Solution 2: Useset defnumJewelsInStones(self,J,S):f=set(J)returnsum([sinfforsinS]) Time complexity:O(|J|*|S|) The operationa in bhas different time complexity inlistandset, see here:https://wiki.python.org/moin/TimeComplexity ...
class Solution{public:vector<vector<int>>getSkyline(vector<vector<int>>&buildings){vector<pair<int,int>>all;for(constauto&building:buildings){all.push_back(make_pair(building[0],-building[2]));all.push_back(make_pair(building[1],building[2]));}sort(all.begin(),all.end());vector<vect...