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全部文章 / LeetCode （共28篇）

leetcode 19. Remove Nth Node From End of List【Python刷题】

Given a linked list, remove the n-th node from the end of list and return its head. Example: Given linked list: 1->2->3->4->5, and n = ...

leetcode

2018-09-27

0 518

leetcode 22. Generate Parentheses

22. Generate Parentheses DescriptionHintsSubmissionsDiscussSolution Pick One Given n pairs of parentheses, write a function to generate all com...

leetcode

2018-09-28

0 803

leetcode33. Search in Rotated Sorted Array【旋转数组找指定值二分】

Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., [0,1,2,4,5,6,7] might become [4,5,6,7,0,1,2]). ...

leetcode 二分

2018-10-12

0 700

leetcode39. Combination Sum【回溯】

https://leetcode.com/problems/combination-sum/description/ Given a set of candidate numbers (candidates) (without duplicates) and a target number (ta...

leetcode 回溯

2018-10-16

0 518

LeetCode40. Combination Sum II

https://leetcode.com/problems/combination-sum-ii/description/ Given a collection of candidate numbers (candidates) and a target number (target), find...

leetcode

2018-10-17

0 742

leetcode 43. Multiply Strings【大数乘法】

https://leetcode.com/problems/multiply-strings/description/ Given two non-negative integers num1 and num2 represented as strings, return the product ...

leetcode 大数乘法

2018-10-18

0 589

leetcode 47. Permutations II[排列]

https://leetcode.com/problems/permutations-ii/ Given a collection of numbers that might contain duplicates, return all possible unique permutations. ...

leetcode

2019-07-14

0 851

leetcode 54Spiral Matrix【贪吃蛇】

不懂自己这么水的题居然WA了这么多次而且为啥要设置flag 反正都是顺时针自己写的 class Solution { public: vector<int> spiralOrder(vector<vector<int>>& matri...

leetcode

2018-10-24

0 636

leetcode 55. Jump Game【贪心】

https://leetcode.com/problems/jump-game/description/ Given an array of non-negative integers, you are initially positioned at the first index of the ...

leetcode 贪心

2018-10-25

0 574

leetcode 59. Spiral Matrix II【蛇形填数】

Given a positive integer n, generate a square matrix filled with elements from 1 to n2 in spiral order. Example: Input: 3 Output: [ [ 1, 2, 3 ], ...

leetcode

2018-10-27

0 0