feat(codeforces): 944

codeforces/944/makefile

@@ -0,0 +1,95 @@
+.PHONY: run debug clean setup init
+
+CXX = g++
+# lefticus.gitbooks.io/cpp-best-practice
+CXXFLAGS := -O2 -Wall -Wextra -Wpedantic -Wshadow -Wformat=2 \
+	-Wfloat-equal -Wlogical-op -Wshift-overflow=2 -Wnon-virtual-dtor \
+	-Wold-style-cast -Wcast-equal -Wuseless-cast -Wno-sign-promotion \
+	-Wcast-align -Wunused -Woverloaded-virtual -Wconversion \
+	-Wsign-conversion -Wmisleading-indentation -Wduplicated-cond \
+	-Wduplicated-branches -Wlogical-op -Wnull-dereference -Wformat=2 \
+	-Wformat-overflow -Wformat-truncation -Wdouble-promotion -Wundef \
+	-DLOCAL -std=c++20
+
+# https://interrupt.memfault.com/blog/best-and-worst-gcc-clang-compiler-flags
+DEBUG_CXX_FLAGS := -g3 -fsanitize=address,undefined \
+	-fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow \
+	-fno-sanitize-recover=all -fstack-protector-all -fstack-usage \
+	-fno-omit-frame-pointer -fno-inline -ffunction-sections
+
+DEBUG_CXXFLAGS += -D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC
+
+SRC = $(word 2,$(MAKECMDGOALS))
+BASE = $(basename $(SRC))
+INPUT = $(BASE).in
+OUTPUT = $(BASE).out
+RUN_BIN = $(BASE).run
+DBG_BIN = $(BASE).debug
+
+TEMPLATE_DIR = ~/.config/cp-template
+
+.SILENT:
+
+run: $(RUN_BIN)
+	$(call execute_binary,$(RUN_BIN))
+
+debug: $(DBG_BIN)
+	$(call execute_binary,$(DBG_BIN))
+
+$(RUN_BIN): $(SRC)
+	test -f $@ && rm $@ || true
+	$(CXX) @compile_flags.txt $(SRC) -o $@ 2>$(OUTPUT); \
+	CODE=$$?; \
+	if [ $${CODE} -gt 0 ]; then \
+		printf '\n[code]: %s' $${CODE} >>$(OUTPUT); \
+		exit $${CODE}; \
+	else \
+		echo '' >$(OUTPUT); \
+	fi
+
+$(DBG_BIN): $(SRC)
+	test -f $@ && rm $@ || true
+	$(CXX) @compile_flags.txt $(DEBUG_CXX_FLAGS) $(SRC) -o $@ 2>$(OUTPUT); \
+	CODE=$$?; \
+	if [ $${CODE} -gt 0 ]; then \
+		printf '\n[code]: %s' $${CODE} >>$(OUTPUT); \
+		exit $${CODE}; \
+	else \
+		echo '' >$(OUTPUT); \
+	fi
+
+define execute_binary
+	timeout 2s ./$1 < $(INPUT) >$(OUTPUT) 2>&1; \
+	CODE=$$?; \
+	truncate -s $$(head -n 1000 $(OUTPUT) | wc -c) $(OUTPUT); \
+	if [ $${CODE} -ge 124 ]; then \
+		MSG=''; \
+		case $${CODE} in \
+			124) MSG='TIMEOUT';; \
+			128) MSG='SIGILL';; \
+			130) MSG='SIGABRT';; \
+			131) MSG='SIGBUS';; \
+			136) MSG='SIGFPE';; \
+			135) MSG='SIGSEGV';; \
+			137) MSG='SIGPIPE';; \
+			139) MSG='SIGTERM';; \
+		esac; \
+		[ -n "$${MSG}" ] && printf '\n[code]: %s (%s)' "$${CODE}" "$${MSG}" >>$(OUTPUT); \
+	else \
+		printf '\n[code]: %s' $${CODE} >>$(OUTPUT); \
+	fi
+endef
+
+clean:
+	find . -type f -name "*.run" -o -name "*.debug" -o -name "*.su" | xargs rm -f
+
+setup:
+	test -f compile_flags.txt || cp $(TEMPLATE_DIR)/compile_flags.txt .
+	test -f .clangd || cp $(TEMPLATE_DIR)/.clangd .
+	test -f .clang-format || cp $(TEMPLATE_DIR)/.clang-format .
+
+init:
+	make setup
+
+%:
+	@: