classSolution{public:vector<int>t;vector<vector<int>>ans;voiddfs(bool choosePre,int cur,vector<int>&nums){if(cur==nums.size()){ans.push_back(t);return;}dfs(false,cur+1,nums);if(!choosePre&&cur>0&&nums[cur-1]==n
代码运行次数:0 from collectionsimportdefaultdictclassSolution:defmaxPoints(self,points):""":type points:List[Point]:rtype:int""" slopes,result=defaultdict(int),0fori,point1inenumerate(points):slopes.clear()duplicate=1for_,point2inenumerate(points[i+1:]):ifpoint1.x==point2.x and point1.y...
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 ...
The n-queens puzzle is the problem of placingnqueens on ann x nchessboard such that no two queens attack each other. Given an integern, returnthe number of distinct solutions to the n-queens puzzle. Example 1: Input: n = 4 Output: 2 Explanation: There are two distinct solutions to the...
Solutions of many LeetCode problems in Java with problem numbers mentioned in the files. java leetcode dsa Updated Jun 2, 2025 Java garyellow / LC-GFG-solution Star 1 Code Issues Pull requests A LeetCode a day keeps the boring away (๑•̀ㅂ•́)و✧ cplusplus leetco...
输入: 原始二叉搜索树: 5 / \ 2 13 输出: 转换为累加树: 18 / \ 20 13 注意:本题和 1038:leetcode-cn.com/problem相同解决方案 初始想法 此题目要求我们在一个二叉搜索树上修改渐进线性数目个节点,所以一个高效的解法应该遍历每个节点一次。解法的关键在于应该按照节点值降序遍历所有节点,同时记录我们已经遍...
Leetcode - Practice Problem 751.IP to CIDR 我请问呢什么题目啊在这里考二进制呢。。。首先我们要会怎样用python 把十进制和二进制互相转换 >>> int("1111", 2) # convert binary to int >>> 15 >>> format(15, '08b') # convert int 15 to binary in 8-bit representation...
Then-queens puzzle is the problem of placingnqueens on ann×nchessboard such that no two queens attack each other. Given an integern, return the number of distinct solutions to then-queens puzzle. Example: Input: 4 Output: 2 Explanation: There are two distinct solutions to the 4-queens puz...
POJ 3468 A Simple Problem with Integers update:成段增减 query:区间求和 POJ 2528 Mayor’s posters 离散化 + update:成段替换 query:简单hash POJ 3225 Help with Intervals update:成段替换,区间异或 query:简单hash 区间合并(这类题目会询问区间中满足条件的连续最长区间,所以PushUp的时候需要对左右儿子的区...
problemsetQuestionList.questions.solutionNumNumber题目已知解法数量 *problemsetQuestionList.questions.statusString题目通过状态,需要用户登录,默认NULL problemsetQuestionList.questions.titleString题目的题名 problemsetQuestionList.questions.titleCnString题目的题名(中文) ...