Reck Zhang

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Reck Zhang

Tencent · Game Developer (已认证)

Operating System 09 - 进程状态的切换

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Reck Zhang

Tencent · Game Developer (已认证)

Operating System 08 - 进程与线程

进程控制块(Process Control Block, PCB)描述进程的基本信息和运行状态, 所谓的创建进程和撤销进程, 都是对于PCB的操作.

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Reck Zhang

Tencent · Game Developer (已认证)

SQL 07 - ACID

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Reck Zhang

Tencent · Game Developer (已认证)

C++ 01 - 内存模型

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Reck Zhang

Tencent · Game Developer (已认证)

ACMSGURU 149 - Computer Network

A school bought the first computer some time ago. During the recent years the sc...

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Reck Zhang

Tencent · Game Developer (已认证)

ACMSGURU 397 - Text Editor

The simplest text editor “Open Word” allows to create and edit only one word. Th...

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Reck Zhang

Tencent · Game Developer (已认证)

ACMSGURU 114 - Telecasting station

Every city in Berland is situated on Ox axis. The government of the country deci...

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Reck Zhang

Tencent · Game Developer (已认证)

LeetCode 0198 - House Robber

You are a professional robber planning to rob houses along a street. Each house ...

10630
Reck Zhang

Tencent · Game Developer (已认证)

LeetCode 0199 - Binary Tree Right Side View

Given a binary tree, imagine yourself standing on the right side of it, return t...

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Reck Zhang

Tencent · Game Developer (已认证)

LeetCode 0231 - Power of Two

Given an integer, write a function to determine if it is a power of two.

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Reck Zhang

Tencent · Game Developer (已认证)

Java 15 - 类加载过程

确保Class文件的字节流中包含的信息符合虚拟机的要求, 并且不会危害虚拟机的安全.

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Reck Zhang

Tencent · Game Developer (已认证)

Java 16 - 序列化与反序列化

需要进行序列化的类需要实现Serializable接口, 但是不需要实现任何方法.

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Reck Zhang

Tencent · Game Developer (已认证)

LeetCode 0200 - Number of Islands

Given a 2d grid map of '1's (land) and '0's (water), count the number of islands...

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Reck Zhang

Tencent · Game Developer (已认证)

LeetCode 0201 - Bitwise AND of Numbers Range

Given a range [m, n] where 0 <= m <= n <= 2147483647, return the bitwise AND of ...

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Reck Zhang

Tencent · Game Developer (已认证)

LeetCode 0202 - Happy Number

Write an algorithm to determine if a number is “happy”.

9120
Reck Zhang

Tencent · Game Developer (已认证)

LeetCode 0203 - Remove Linked List Elements

Remove all elements from a linked list of integers that have value val.

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Reck Zhang

Tencent · Game Developer (已认证)

LeetCode 0183 - Customers Who Never Order

Suppose that a website contains two tables, the Customers table and the Orders t...

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Reck Zhang

Tencent · Game Developer (已认证)

LeetCode 0184 - Department Highest Salary

The Employee table holds all employees. Every employee has an Id, a salary, and ...

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Reck Zhang

Tencent · Game Developer (已认证)

LeetCode 0185 - Department Top Three Salaries

The Employee table holds all employees. Every employee has an Id, and there is a...

8630
Reck Zhang

Tencent · Game Developer (已认证)

LeetCode 0187 - Repeated DNA Sequences

All DNA is composed of a series of nucleotides abbreviated as A, C, G, and T, fo...

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