chore(store): move everything to store.

13 files changed, 0 insertions, 201 deletions

diff --git a/works/life/operating-system-challenge/.gitignore b/works/life/operating-system-challenge/.gitignore
deleted file mode 100644
index 1feae78..0000000
--- a/works/life/operating-system-challenge/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-*.exe

diff --git a/works/life/operating-system-challenge/1/README.md b/works/life/operating-system-challenge/1/README.md
deleted file mode 100644
index db7b627..0000000
--- a/works/life/operating-system-challenge/1/README.md
+++ /dev/null
@@ -1,10 +0,0 @@
-> 挑战一：写一个程序，运行该进程时，你的电脑整体 CPU 利用率保持在 100%

-> 示例效果如

-> ![sample](sample.jpg)

-

-Transaltion: Write a program and make your CPU's usage rate 100%.

-

-Code is in `main.cpp`. Remember to not compile it with O2 optimization, or my dead loop will be eliminated.

-

-Final effect:

-![effect](effect.png)

diff --git a/works/life/operating-system-challenge/1/effect.png b/works/life/operating-system-challenge/1/effect.png
deleted file mode 100644
index b173ea0..0000000
--- a/works/life/operating-system-challenge/1/effect.png
+++ /dev/null
diff --git a/works/life/operating-system-challenge/1/main.cpp b/works/life/operating-system-challenge/1/main.cpp
deleted file mode 100644
index 0f780ef..0000000
--- a/works/life/operating-system-challenge/1/main.cpp
+++ /dev/null
@@ -1,33 +0,0 @@
-// Remember not to use O2 optimization!

-

-#include <thread>

-#include <vector>

-

-int main() {

-  std::vector<std::thread> threads;

-

-  // Because my CPU has 4-core and 8-threads. I open 8 threads.

-  for (int i = 0; i < 8; i++) {

-    std::thread t([] {

-      int i;

-      int j;

-      int k;

-      double d;

-      while (true) {

-        i = i + i;

-        j = j - j;

-        k = k * k;

-        d = d + d;

-        i = i & i;

-        j = j | j;

-      }

-    });

-    threads.push_back(std::move(t));

-  }

-

-  for (auto &t : threads) {

-    t.join();

-  }

-

-  return 0;

-}

diff --git a/works/life/operating-system-challenge/1/sample.jpg b/works/life/operating-system-challenge/1/sample.jpg
deleted file mode 100644
index 7276bec..0000000
--- a/works/life/operating-system-challenge/1/sample.jpg
+++ /dev/null
diff --git a/works/life/operating-system-challenge/2/README.md b/works/life/operating-system-challenge/2/README.md
deleted file mode 100644
index 86672f5..0000000
--- a/works/life/operating-system-challenge/2/README.md
+++ /dev/null
@@ -1,10 +0,0 @@
-> 挑战二：写一个程序，运行该进程时，你计算机每一个核的 CPU 占用率是各不相同的有规律的曲线

-> 示例效果如：

-> ![sample](sample.jpg)

-

-Translation: Write a program and make each core of your CPU get a different but regular usage rate graph.

-

-Code is in `main.cpp`. Remember to not compile it with O2 optimization, or my loop will be eliminated.

-

-Final effect:

-![effect](effect.png)

diff --git a/works/life/operating-system-challenge/2/effect.png b/works/life/operating-system-challenge/2/effect.png
deleted file mode 100644
index 984a3da..0000000
--- a/works/life/operating-system-challenge/2/effect.png
+++ /dev/null
diff --git a/works/life/operating-system-challenge/2/main.cpp b/works/life/operating-system-challenge/2/main.cpp
deleted file mode 100644
index a497442..0000000
--- a/works/life/operating-system-challenge/2/main.cpp
+++ /dev/null
@@ -1,73 +0,0 @@
-#include <Windows.h>

-#include <cmath>

-

-DWORD WINAPI Thread1(_In_ LPVOID lpParameter) {

-  int i;

-  while (true) {

-    i++;

-  }

-  return 0;

-}

-

-DWORD WINAPI Thread2(_In_ LPVOID lpParameter) {

-  while (true) {

-    for (long long i = 0; i < 5000000000; i++)

-      ;

-    Sleep(10000);

-  }

-

-  return 0;

-}

-

-DWORD WINAPI Thread3(_In_ LPVOID lpParameter) {

-  while (true) {

-    for (int i = 0; i < 4000000; i++)

-      ;

-    Sleep(10);

-  }

-

-  return 0;

-}

-

-DWORD WINAPI Thread4(_In_ LPVOID lpParameter) {

-  LARGE_INTEGER frequency;

-  QueryPerformanceFrequency(&frequency);

-

-  LARGE_INTEGER count;

-  QueryPerformanceCounter(&count);

-

-  double current_y = 0;

-

-  while (true) {

-    for (int i = 0; i < 3000000.0 * (1.0 + current_y); i++)

-      ;

-    Sleep(10 * (1 - current_y));

-

-    LARGE_INTEGER new_count;

-    QueryPerformanceCounter(&new_count);

-

-    auto s = (new_count.QuadPart - count.QuadPart) / frequency.QuadPart;

-    current_y = std::sin(s / 30.0 * 2 * 3.1415926535) * 0.6;

-  }

-

-  return 0;

-}

-

-int main() {

-  HANDLE thread1 = CreateThread(NULL, 0, Thread1, NULL, 0, NULL);

-  HANDLE thread2 = CreateThread(NULL, 0, Thread2, NULL, 0, NULL);

-  HANDLE thread3 = CreateThread(NULL, 0, Thread3, NULL, 0, NULL);

-  HANDLE thread4 = CreateThread(NULL, 0, Thread4, NULL, 0, NULL);

-

-  SetThreadAffinityMask(thread1, 1);

-  SetThreadAffinityMask(thread2, 1 << 1);

-  SetThreadAffinityMask(thread3, 1 << 2);

-  SetThreadAffinityMask(thread4, 1 << 3);

-

-  WaitForSingleObject(thread1, INFINITE);

-  WaitForSingleObject(thread2, INFINITE);

-  WaitForSingleObject(thread3, INFINITE);

-  WaitForSingleObject(thread4, INFINITE);

-

-  return 0;

-}

diff --git a/works/life/operating-system-challenge/2/sample.jpg b/works/life/operating-system-challenge/2/sample.jpg
deleted file mode 100644
index 53b9f89..0000000
--- a/works/life/operating-system-challenge/2/sample.jpg
+++ /dev/null
diff --git a/works/life/operating-system-challenge/3/README.md b/works/life/operating-system-challenge/3/README.md
deleted file mode 100644
index 63fa023..0000000
--- a/works/life/operating-system-challenge/3/README.md
+++ /dev/null
@@ -1,5 +0,0 @@
-![problem](problem.jpg)

-

-Translation: Use a lock to achieve that 3 threads print A, B, C in turn for 10 times. Output is `ABCABC...`

-

-Code is in `main.cpp`.

diff --git a/works/life/operating-system-challenge/3/main.cpp b/works/life/operating-system-challenge/3/main.cpp
deleted file mode 100644
index 461c775..0000000
--- a/works/life/operating-system-challenge/3/main.cpp
+++ /dev/null
@@ -1,68 +0,0 @@
-#include <iostream>

-#include <mutex>

-#include <thread>

-

-int main() {

-  int turn = 1;

-  int count = 0;

-  std::mutex mutex;

-

-  auto thread_proc1 = [&] {

-    while (true) {

-      {

-        std::lock_guard<std::mutex> guard(mutex);

-        if (count >= 10)

-          break;

-        if (turn == 1) {

-          std::cout << "A" << std::endl;

-          turn = 2;

-        }

-      }

-

-      std::this_thread::yield();

-    }

-  };

-

-  auto thread_proc2 = [&] {

-    while (true) {

-      {

-        std::lock_guard<std::mutex> guard(mutex);

-        if (count >= 10)

-          break;

-        if (turn == 2) {

-          std::cout << "B" << std::endl;

-          turn = 3;

-        }

-      }

-

-      std::this_thread::yield();

-    }

-  };

-

-  auto thread_proc3 = [&] {

-    while (true) {

-      {

-        std::lock_guard<std::mutex> guard(mutex);

-        if (count >= 10)

-          break;

-        if (turn == 3) {

-          std::cout << "C" << std::endl;

-          turn = 1;

-          count++;

-        }

-      }

-

-      std::this_thread::yield();

-    }

-  };

-

-  std::thread thread1(thread_proc1);

-  std::thread thread2(thread_proc2);

-  std::thread thread3(thread_proc3);

-

-  thread1.join();

-  thread2.join();

-  thread3.join();

-

-  return 0;

-}

diff --git a/works/life/operating-system-challenge/3/problem.jpg b/works/life/operating-system-challenge/3/problem.jpg
deleted file mode 100644
index c3a61b7..0000000
--- a/works/life/operating-system-challenge/3/problem.jpg
+++ /dev/null
diff --git a/works/life/operating-system-challenge/README.md b/works/life/operating-system-challenge/README.md
deleted file mode 100644
index 8a5898d..0000000
--- a/works/life/operating-system-challenge/README.md
+++ /dev/null
@@ -1 +0,0 @@
-Some challenges raised by my Operating System teacher, aka. Li Hao.