1 files changed, 1 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 76a2d31..d9f18bf 100644
--- a/Makefile
+++ b/Makefile
@@ -19,6 +19,7 @@ NC := \033[0m
 INC_DIRS := $(SRC_DIR)
 INC_FLAGS := $(addprefix -I,$(INC_DIRS))
 
+# OP_FLAG := -Ofast
 OP_FLAG := -O3
 # OP_FLAG := -Oz
 # OP_FLAG := -g