Update: 使用O3

Author: Masttf

CMakeLists.txt

@@ -7,7 +7,7 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
 
 set(CMAKE_CXX_STANDARD 17)
 # set(CMAKE_CXX_FLAGS "-Wall -O2 -g -ggdb3")
-set(CMAKE_CXX_FLAGS "-Wall -Ofast -march=native -flto")
+set(CMAKE_CXX_FLAGS "-Wall -O3 -march=native -flto")
 
 set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O0 -g")
 set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0 -g")