diff --git a/CMakeLists.txt b/CMakeLists.txt
index 97f03ec..b9a1969 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,6 +6,15 @@ set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_BINARY_DIR ${CMAKE_SOURCE_DIR}/build)
 set(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR})
 
+<<<<<<< HEAD
+=======
+set(CMAKE_BUILD_TYPE Release)
+
+if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")
+endif()
+
+>>>>>>> ca595e1 (Day 1)
 set(executables d1)
 
 foreach(executable ${executables})