add: initial commit

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.21)
+project(LeetCodeDaily)
+
+set(CMAKE_CXX_STANDARD 23)
+
+add_executable(LeetCodeDaily main.cpp)

main.cpp

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+#include <iostream>
+
+int main() {
+	std::cout << "See source files in sub-directories!" << std::endl;
+	return 0;
+}