(1, 1); // 缓存是 {1=1} lRUCache.put(2, 2); // 缓存是 {1=1, 2=2} lRUCache.get(1); // 返回 1 lRUCache.put(3, 3); // 该操作会使得关键字 2 作废,缓存是 {1=1, 3=3} lRUCache.get(2); // 返回 -1 (未找到) lRUCache.put(4, 4); // 该操作会使得关键字 1 ...
挣扎了一段时间,就去讨论区看解答(https://leetcode.com/problems/strong-password-checker/discuss/91003/O(n%29-java-solution-by-analyzing-changes-allowed-to-fix-each-problem)去了: 代码语言:javascript 代码运行次数:0 运行 复制 class Solution { public int strongPasswordChecker(String s) { int res ...
今天在使用leetcode做合并区间的问题的时候出现了peek problem no quick fixes available的问题; 问题见下面: for(autoiter= intervals.begin();iter!=intervals.end();iter++) 我使用for语句就会产生问题。 解决方法: vector<vector<int>>::intervals iter;while(iter != intervals.end()) ...
Problem Descriptino: On aN x Ngrid of cells, each cell(x, y)with0 <= x < Nand0 <= y < Nhas a lamp. Initially, some number of lamps are on.lamps[i]tells us the location of thei-th lamp that is on. Each lamp that is on illuminates every square on its x-axis, y-axis, ...
The n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens attack each other. 题意 n 皇后问题研究的是如何将 n 个皇后放置在 n×n 的棋盘上,并且使皇后彼此之间不能相互攻击。 上图为 8 皇后问题的一种解法。
0363 Max Sum of Rectangle No Larger Than K 37.3% Hard 0364 Nested List Weight Sum II 62.7% Medium 0365 Water and Jug Problem 30.6% Medium 0366 Find Leaves of Binary Tree 70.6% Medium 0367 Valid Perfect Square Go 41.7% Easy 0368 Largest Divisible Subset 38.1% Medium 0369 Plus One...
🔥LeetCode solutions in any programming language | 多种编程语言实现 LeetCode、《剑指 Offer(第 2 版)》、《程序员面试金典(第 6 版)》题解 - doocs/leetcode
No.ProblemLeetCode力扣PythonGoSolutionDifficultyTag 0017 Letter Combinations of a Phone Number LeetCode 力扣 Python CSDN Medium 回溯、暴力 0034 Find First and Last Position of Element in Sorted Array LeetCode 力扣 Python CSDN Medium 二分 0039 Combination Sum LeetCode 力扣 Python CSDN Medium 回溯 ...
// Solution 1: A hard problem indeed. If there're redundant (s, what you gonna do? Remove it. If it's )s, what then? We can't remove them, because they might be needed later. This is the first challenge. The problem requests we find all possible solutions, that's the second ch...
例如,128 是一个自除数,因为128 % 1 == 0,128 % 2 == 0,128 % 8 == 0。 还有,自除数不允许包含 0 。 给定上边界和下边界数字,输出一个列表,列表的元素是边界(含边界)内所有的自除数。 示例1: 输入: 上边界left = 1, 下边界right = 22 输出: [1, 2, 3, 4, 5, 6, 7, 8, 9, 11,...