上二层楼

分类

C++(32) CG(8) DB(2) Design Pattern(3) DS and Algorithm(4) Git(2) Interview(1) Java raw(4) leetcode-easy(27) leetcode-midium(22) little_tips(11) Math Concern(4) Math Modeling(3) OS(6) Project(1) Python raw(5) Web(2) 未归档(17) 题解(3)

归档

标签

去牛客网

/ 注册

全部文章（共157篇）

QCamera : no such file 问题

在项目 *.pro中添加即可。 QT += core gui QT += multimedia QT += multimediawidgets QT += multimedia ==》对应<QCamera> 和 <QC...

2019-05-18

0 624

leetcode-50. Pow(x, n) · 快速幂

题面给定x, n, 求pow(x, n)。样例 Example 1: Input: 2.00000, 10 Output: 1024.00000 Example 2: Input: 2.10000, 3 Output: 9.26100 Example 3: I...

2019-05-17

0 544

List · leetcode-24. 交换相邻节点

题面 Given a linked list, swap every two adjacent nodes and return its head. You may not modify the values in the list's nodes, only nodes itself may ...

2019-05-16

0 533

dfs · leetcode-22.产生括号组?

题面 Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses 给定int n，代表n组括号，编码生成所有有效的括号组合（即符合括号...

2019-05-16

0 862

Array + two points leetcode.16 - 3Sum Closest

题面 Given an array nums of n integers and an integer target, find three integers in nums such that the sum is closest to target. Return the sum of the...

2019-05-14

0 521

string+DFS leetcode-17.电话号码下的字母组合

题面 Given a string containing digits from 2-9 inclusive, return all possible letter combinations that the number could represent. A mapping of digit ...

2019-05-14

0 774

Array + two points leetcode.18 - 4Sum

题面 Given an array nums of n integers and an integer target, are there elements a, b, c, and d in nums such that a + b+ c + d = target? Find all uniqu...

2019-05-13

0 517

Array + two points leetcode.15-3Sum

题面 Given an array nums of n integers, are there elements a, b, c in nums such that a + b + c = 0? Find all unique triplets in the array which gives t...

2019-05-13

0 532

string leetcode-6.ZigZag

6. ZigZag Conversion 题面 The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to d...

2019-05-09

0 494

栈· 用一个栈实现另一个栈的排序

题面用一个栈实现另外一个栈的顶到底降序排序要求：不能使用额外的数据结构，但可以使用新的变量。思路（给定栈s, 辅助栈help） 1. 遍历给定栈（出栈），栈顶出栈cur，与help栈顶比较，如果大于辅助栈顶元素值，那么辅助栈栈顶元素出栈至s栈，直到help栈顶元素值<=cu...

2019-05-09

0 616