1. 两数之和 - 给定一个整数数组 nums 和一个整数目标值 target,请你在该数组中找出 和为目标值 target 的那 两个 整数,并返回它们的数组下标。 你可以假设每种输入只会对应一个答案,并且你不能使用两次相同的元素。 你可以按任意顺序返回答案。 示例 1: 输入
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This repository contains the solutions and explanations to the algorithm problems on LeetCode. Only medium or above are included. All are written in C++/Python and implemented by myself. The problems attempted multiple times are labelled with hyperlinks. Topics algorithms leetcode cpp Resources Re...
Do not use theevalbuilt-in library function. Problemlink Video Tutorial You can find the detailed video tutorial here Youtube B站 Thought Process A generic way for solving those calculating numbers problems is to use stack. More specifically, use two stacks: one stack for the operator and the ...
https://leetcode.com/problems/spiral-matrix/discuss/20571/1-liner-in-Python-%2B-Ruby Solutions 1publicList<Integer> spiralOrder(int[][] matrix) {2List<Integer> res =newArrayList<>();34if(matrix ==null|| matrix.length == 0 || matrix[0].length == 0) {5returnres;6}78this.printSpira...
problems along with brief descriptions, hints for solving them, and links to detailed solutions....
// Solution 1: To minimize the maximum, these sort of problems are widely studied in computer science. Isn't there something called "Minimax" in Decision Thoery, for instance? As this problem is about splitting subarrays, we can do it with DP. Say, if the problem is about partitioning ...
Root cause analysis (RCA) is a method of problem-solving used for identifying the root causes of faults or problems. A factor is considered a root cause of removal thereof from the problem-fault-sequence prevents the final undesirable event from recurring; whereas a causal factor is one that ...
search_problems: 使用多种过滤条件搜索题目 用户工具 get_user_profile: 获取用户的简介信息 get_user_contest_ranking: 获取用户的竞赛排名统计 get_recent_ac_submissions: 获取用户近期通过的提交 get_user_status: 获取用户的当前状态 get_problem_submission_report: 提供详细的提交分析 ...
层与层之间,是靠recursion传递current path,一个数一个数加的 notice:每一次跳出时,要删去最后一个元素 图:新生大学 https://leetcode.com/problems/permutations/ Given a collection of distinct numbers, return all possible permutations. For example, ...