feat(CMake): Add CMakeLists.txt for each folders

Author: htbkoo

CMakeLists.txt

@@ -22,3 +22,4 @@ FetchContent_MakeAvailable(googletest)
 ###
 
 add_executable(cplusplus main.cpp)
+add_subdirectory(src)

src/CMakeLists.txt

@@ -0,0 +1 @@
+add_subdirectory(onlinePlatform)

src/onlinePlatform/CMakeLists.txt

@@ -0,0 +1,3 @@
+project(OnlinePlatform)
+add_subdirectory(codewars)
+add_subdirectory(leetcode)

src/onlinePlatform/codewars/5kyu/CMakeLists.txt

@@ -0,0 +1,24 @@
+project(5kyu)
+
+include(FetchContent)
+FetchContent_Declare(
+        googletest
+        URL https://github.com/google/googletest/archive/03597a01ee50ed33e9dfd640b249b4be3799d395.zip
+)
+# For Windows: Prevent overriding the parent project's compiler/linker settings
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+FetchContent_MakeAvailable(googletest)
+
+enable_testing()
+
+add_executable(
+        rot13GoogleTest
+        rot13GoogleTest.cc
+)
+target_link_libraries(
+        rot13GoogleTest
+        GTest::gtest_main
+)
+
+include(GoogleTest)
+gtest_discover_tests(rot13GoogleTest)

src/onlinePlatform/codewars/CMakeLists.txt

@@ -0,0 +1,3 @@
+project(codewars)
+
+add_subdirectory(5kyu)

src/onlinePlatform/leetcode/CMakeLists.txt

@@ -0,0 +1 @@
+project(leetcode)