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Problem Description: The largest k-th element was found in the unsorted array. Note that you need to look for the k-th largest element after array sorting, not the k-th different element. It is one of the questions often asked in interview. At the same time, it is also a good question to investigate the calculation of time complexity due to i ...

/mkconfig file analysis: Six important parameters of mkconfig script: Configure in the main makefile file: x210_sd_config : unconfig #$(@:_ config =) for the target_ config is replaced by "" to get x210_sd @$(MKCONFIG) $(@:_config=) arm s5pc11x x210 samsung s5pc110 #Output TEXT_BASE variab ...

Seven common sorting algorithms of comparison class (detailed explanation of python) Seven common sorting algorithms of comparison classes Bubble sort, insert sort, select sort, fast sort, Hill sort, merge sort, heap sort explanation and python implementation Algorithm stability: for the values with e ...

Sword finger offer week 5 incomplete 73. Two numbers that only appear once in the array Except for two numbers in an integer array, other numbers appear twice. Please write a program to find out the two numbers that only appear once. You can assume that these two numbers must exist. Example Input: ...

Article Directory 1. Chain List Chain lists in the Linux kernel are special list_entry, container_of and offsetof macros An example illustrates `offsetof` and `container_of`Macro Operations on linked lists 1. Create a list of chains 2. Add Node to Chain List 3. Delete Nodes 4. Move merge nodes 5. D ...

“… He thinks that Blub language is enough, and then his thinking has been assimilated by Blub language "- Paul Graham, hackers and painters > preface I don't like the shuttle if/else statement in business code. It's complex and bloated. At least in terms of aesthetic feeling, swit ...

Then I broke it down last time. I didn't see the children's shoes in the first chapter Click here Play back the content of the previous chapter Entity class @Data @AgeSalaryType public class Student { private Long id; @NotBlank(message = "Name cannot be empty") private String name; @ ...

Java learning notes Tools Collections Collection and Collections method Example Arrays method Example analysis Others Date class Calendar Class practice Math class Link: jdk13_API. Tools Collections Collection and Collections The difference between Collection and Collections: Collecti ...

From 1, Distributed lock overview In the multithreaded environment, in order to ensure that a code block can only be accessed by one thread at a time, we can generally use the synchronized syntax and ReetrantLock in Java to ensure that this is actually the way of local locking. But now companies are a ...

Article catalog HashMap preface What is a red black tree Discoloration rotate Sinistral Dextral brief introduction Basic elements of HashMap Node Construction method HashMap() HashMap(int initialCapacity) HashMap(Map<? extends K, ? extends V> m) Add method put Get method get Expand resize ...