1. 线性表: 1.1 Remove Duplicates from Sorted Array 1.2 Remove Duplicates from Sorted Array II 1.3 Search in Rotated Sorted Array II 1.4 Median of Two Sorted Arrays 1.5 Longest Consecutive Sequence 1.6 Two Sum 1.7 Valid Sudoku 1.8 Trapping Rain Water 1.9 Swap Nodes in Pairs 1.10 Reverse Nodes...
也就是,array[1]=3,代表在这个位置上可以向后最多走1-3步。 分析:往后跳跃,我们先分析变体和原题的区别和联系。如果我们希望从i跳到j,那么,设Foo(i ,j)为:从i跳到j的方法总数,Foo(j)= Foo(i)+ Foo(i+1)+ ... + Foo(array[i] ) 也就是说,这时候需要一个循环来表示子问题和母问题的关系。
int pow(int n){ int sum = 1; int tmp = m; while(n != 0){ if(n &...
LeetCode Question Rotate Array Deion: Rotate an array of n elements to the right by k steps. For example, with n = 7 and k = 3, the array [1,2,3,4,5,6,7] is rotated to [5,6,7,1,2,3,4]. Could you do it in-place with O(1) extra space? Input: [1,2,3,4,5,6,...
In this question, we represent the board using a 2D array. In principle, the board is infinite, which would cause problems when the active area encroaches the border of the array. How would you address these problems? 【解答】状态转换的问题,把代码逻辑想清楚再写。这类题算法本身不难,也没什...
LeetCode Question & Answer Jump Game Description: Given an array of non-negative integers, you are initially positioned at the first index of the array. Each element in the array represents your maximum jump length at ...
解题方法 暴力 日期 题目地址:https://leetcode-cn.com/problems/candy-crush/ 题目描述 This question is about implementing a basic elimination algorithm for Candy Crush. Given a2Dinteger array board representing the grid of candy, different positive integersboard[i][j]represent different types of cand...
LeetCode Question Array DFS Subsetss Deion: Given a set of distinct integers, nums, return all possible subsets. Input: [1,2,3] Output: [[],[1],[1,2],[1,2,3],[1,3],[2],[2,3],[3]] Assumptions: The solution set must not contain duplicate subsets. ...
1250 Check If It Is a Good Array 57.50% Hard 1249 Minimum Remove to Make Valid Parentheses 65.00% Medium 1248 Count Number of Nice Subarrays 57.60% Medium 1247 Minimum Swaps to Make Strings Equal 63.60% Medium 1246 Palindrome Removal $ 45.80% Hard 1245 Tree Diameter $ 62.00% Medium 1244 De...
1338 Reduce Array Size to The Half 69.20% Medium 1337 The K Weakest Rows in a Matrix 71.40% Easy 1336 Number of Transactions per Visit * 48.10% Hard 1335 Minimum Difficulty of a Job Schedule 58.30% Hard 1334 Find the City With the Smallest Number of Neighbors at a Threshold Distance 57.70...