update

12 files changed, 1121 insertions, 0 deletions

diff --git a/234/header.hpp b/234/header.hpp
new file mode 100644
index 0000000..2df2a5a
--- /dev/null
+++ b/234/header.hpp
@@ -0,0 +1,4 @@
+
+#include <iostream>
+#include <string>
+#include <vector>
diff --git a/234/main.cpp b/234/main.cpp
new file mode 100644
index 0000000..229bd28
--- /dev/null
+++ b/234/main.cpp
@@ -0,0 +1,33 @@
+#include "header.hpp"
+
+struct ListNode {
+  int val;
+  ListNode *next;
+  ListNode() : val(0), next(nullptr) {}
+  ListNode(int x) : val(x), next(nullptr) {}
+  ListNode(int x, ListNode *next) : val(x), next(next) {}
+};
+
+class Solution {
+public:
+  Solution() = default;
+  bool isPalindrome(ListNode *head) {
+    auto iter = head;
+    std::vector<int> pal;
+
+    while (iter->next != nullptr) {
+      pal.push_back(iter->val);
+      iter = iter->next;
+    }
+    pal.push_back(iter->val);
+    for (int i = pal.size(); i >= 0; i--) {
+      if (head->val != pal[i]) {
+        return false;
+      }
+      head = head->next;
+    }
+    return true;
+  }
+};
+
+int main(int argc, char **argv) { return 0; }
diff --git a/234/makefile b/234/makefile
new file mode 100644
index 0000000..d5e9dc0
--- /dev/null
+++ b/234/makefile
@@ -0,0 +1,238 @@
+TARGET?=main
+SHELL=bash
+SHELL?=bash
+CXX=clang++
+CXX?=clang++
+ifdef OS
+CXX_FLAGS=-std=c++20
+else
+CXX_FLAGS=-std=c++20 -fpic
+endif
+CXX_EXTRA?=
+CTAGS_I_PATH?=./
+LD_FLAGS= -include-pch header.hpp.gch
+EXTRA_LD_FLAGS?=
+ADD_SANITIZERS_CC= -g -fsanitize=address -fno-omit-frame-pointer
+ADD_SANITIZERS_LD= -g -fsanitize=address
+MEM_SANITIZERS_CC= -g -fsanitize=memory -fno-omit-frame-pointer
+MEM_SANITIZERS_LD= -g -fsanitize=memory
+UB_SANITIZERS_CC= -g -fsanitize=undefined -fno-omit-frame-pointer
+UB_SANITIZERS_LD= -g -fsanitize=undefined
+FUZZ_SANITIZERS_CC= -fsanitize=fuzzer,address -g -fno-omit-frame-pointer
+FUZZ_SANITIZERS_LD= -fsanitize=fuzzer,address -g -fno-omit-frame-pointer
+COV_CXX= -fprofile-instr-generate -fcoverage-mapping
+COV_LD= -fprofile-instr-generate
+# BUILD_MODES are=RELEASE(default), DEBUG,ADDSAN,MEMSAN,UBSAN,FUZZ
+BUILD_MODE?=RELEASE
+#EXCLUSION_LIST='(\bdip)|(\bdim)'
+EXCLUSION_LIST='xxxxxx'
+OBJ_LIST:=$(patsubst %.cpp, %.o, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+OBJ_COV_LIST:=$(patsubst %.cpp, %.ocov, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+OBJ_DBG_LIST:=$(patsubst %.cpp, %.odbg, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+ASM_LIST:=$(patsubst %.cpp, %.s, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+WASM_LIST:=$(patsubst %.cpp, %.wasm, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+WAST_LIST:=$(patsubst %.cpp, %.wast, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+IR_LIST:=$(patsubst %.cpp, %.ir, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+JS_LIST:=$(patsubst %.cpp, %.js, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+AST_LIST:=$(patsubst %.cpp, %.ast, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+
+ifeq ($(BUILD_MODE), ADDSAN)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(ADD_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(ADD_SANITIZERS_LD)
+endif
+
+ifeq ($(BUILD_MODE), MEMSAN)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(MEM_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(MEM_SANITIZERS_LD)
+endif
+
+ifeq ($(BUILD_MODE), UBSAN)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(UB_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(UB_SANITIZERS_LD)
+endif
+
+ifeq ($(BUILD_MODE), FUZZ)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(FUZZ_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(FUZZ_SANITIZERS_LD)
+endif
+
+SRCS:=$(wildcard *.cpp)
+HDRS:=$(wildcard *.h)
+CXX_FLAGS+=$(CXX_EXTRA)
+LD_FLAGS+=$(EXTRA_LD_FLAGS)
+
+.DEFAULT:all
+
+.PHONY:all clean help ASM SO TAGS WASM JS exe IR WAST A ADBG AST cppcheck DOCKER
+
+all:exe
+
+everything:$(TARGET) A ASM SO $(TARGET)-static $(TARGET)-dbg ADBG TAGS $(TARGET)-cov WASM JS IR WAST AST DOCKER
+
+depend:.depend
+
+.depend:$(SRCS)
+	rm -rf .depend
+	$(CXX) -MM $(CXX_FLAGS) $^ > ./.depend
+	echo $(patsubst %.o:, %.odbg:, $(shell $(CXX) -MM $(CXX_FLAGS) $^)) | sed -r 's/[A-Za-z0-9\-\_]+\.odbg/\n&/g' >> ./.depend
+	echo $(patsubst %.o:, %.ocov:, $(shell $(CXX) -MM $(CXX_FLAGS) $^)) | sed -r 's/[A-Za-z0-9\-\_]+\.ocov/\n&/g' >> ./.depend
+
+-include ./.depend
+
+.cpp.o: header.hpp.gch
+	$(CXX) $(CXX_FLAGS) -c $< -o $@
+
+%.odbg:%.cpp
+	$(CXX) $(CXX_FLAGS) -g -c $< -o $@
+
+%.ocov:%.cpp
+	$(CXX) $(CXX_FLAGS) $(COV_CXX) -c $< -o $@
+
+header.hpp.gch:header.hpp
+	$(CXX) $(CXX_FLAGS) -c $< -o $@
+
+exe: header.hpp.gch $(TARGET)
+
+$(TARGET): $(OBJ_LIST)
+	$(CXX) $(LD_FLAGS) $^ -o $@
+
+$(TARGET)-static: $(OBJ_LIST)
+	$(CXX) $(LD_FLAGS) $^ -static -o $@
+
+$(TARGET)-dbg: $(OBJ_DBG_LIST)
+	$(CXX) $(LD_FLAGS) $^ -g -o $@
+
+$(TARGET)-cov: $(OBJ_COV_LIST)
+	$(CXX) $(LD_FLAGS) $^ $(COV_LD) -o $@
+
+cov: runcov
+	@llvm-profdata merge -sparse ./default.profraw -o ./default.profdata
+	@llvm-cov show $(TARGET)-cov -instr-profile=default.profdata
+
+covrep: runcov
+	@llvm-profdata merge -sparse ./default.profraw -o ./default.profdata
+	@llvm-cov report $(TARGET)-cov -instr-profile=default.profdata
+
+ASM:$(ASM_LIST)
+
+SO:$(TARGET).so
+
+A:$(TARGET).a
+
+ADBG:$(TARGET).adbg
+
+IR:$(IR_LIST)
+
+WASM:$(WASM_LIST)
+
+WAST:$(WAST_LIST)
+
+JS:$(JS_LIST)
+
+AST:$(AST_LIST)
+
+TAGS:tags
+
+#https://github.com/rizsotto/Bear
+BEAR: clean
+	bear make
+
+tags:$(SRCS)
+	$(shell $(CXX) -c -I $(CTAGS_I_PATH) -M $(SRCS)|\
+		sed -e 's/[\\ ]/\n/g'|sed -e '/^$$/d' -e '/\.o:[ \t]*$$/d'|\
+		ctags -L - --c++-kinds=+p --fields=+iaS --extra=+q)
+
+%.s: %.cpp
+	$(CXX) -S $< -o $@
+	# objdump -r -d -M intel -S $< > $@
+
+%.ir: %.cpp
+	$(CXX) -emit-llvm -S -o $@ $<
+
+%.wasm: %.cpp
+	em++ $< -o $@
+
+%.wast: %.wasm
+	wasm2wat $< > $@
+
+%.js: %.cpp
+	em++ $< -s FORCE_FILESYSTEM=1 -s EXIT_RUNTIME=1 -o $@
+
+%.ast: %.cpp
+	$(CXX) -Xclang -ast-dump -fsyntax-only $< > $@
+
+$(TARGET).so: $(OBJ_LIST)
+	$(CXX) $(LD_FLAGS) $^ -shared -o $@
+
+$(TARGET).a: $(OBJ_LIST)
+	ar rcs $(TARGET).a $(OBJ_LIST)
+
+$(TARGET).adbg: $(OBJ_DBG_LIST)
+	ar rcs $(TARGET).adbg $(OBJ_DBG_LIST)
+
+runcov: $(TARGET)-cov
+	$(TARGET)-cov
+
+test: $(TARGET)
+	$(TARGET)
+
+run: $(TARGET)
+	"./$(TARGET)"
+
+valgrind: $(TARGET)
+	- valgrind --track-origins=yes --leak-check=full --show-leak-kinds=all $(TARGET)
+
+cppcheck:
+	cppcheck $(SRCS)
+
+rundbg: $(TARGET)-dbg
+	gdb --batch --command=./debug.dbg --args $(TARGET)-dbg
+
+format:
+	- clang-format -i $(SRCS) $(HDRS)
+
+DOCKER: Dockerfile
+	docker buld -t proto ./
+
+clean:
+	- rm -f *.o *.dis *.odbg *.ocov *.js *.ir *~ $(TARGET) $(TARGET).so $(TARGET)-static \
+		$(TARGET)-dbg $(TARGET).a $(TARGET)-cov *.wasm *.wast $(TARGET).adbg *.ast
+
+deepclean: clean
+	- rm tags
+	- rm .depend
+	- rm ./default.profraw ./default.profdata
+	- rm vgcore.*
+	- rm compile_commands.json
+	- rm *.gch
+
+help:
+	@echo "--all is the default target, runs $(TARGET) target"
+	@echo "--everything will build everything"
+	@echo "--SO will generate the so"
+	@echo "--ASM will generate assembly files"
+	@echo "--TAGS will generate tags file"
+	@echo "--BEAR will generate a compilation database"
+	@echo "--IR will generate llvm IR"
+	@echo "--$(TARGET) builds the dynamically-linked executable"
+	@echo "--$(TARGET)-dbg will generate the debug build. BUILD_MODE should be set to DEBUG to work"
+	@echo "--$(TARGET)-static will statically link the executable to the libraries"
+	@echo "--$(TARGET)-cov is the coverage build"
+	@echo "--cov will print the coverage report"
+	@echo "--covrep will print the line coverage report"
+	@echo "--A will build the static library"
+	@echo "--TAGS will build the tags file"
+	@echo "--clean"
+	@echo "--deepclean will clean almost everything"
diff --git a/383/header.hpp b/383/header.hpp
new file mode 100644
index 0000000..2df2a5a
--- /dev/null
+++ b/383/header.hpp
@@ -0,0 +1,4 @@
+
+#include <iostream>
+#include <string>
+#include <vector>
diff --git a/383/main.cpp b/383/main.cpp
new file mode 100644
index 0000000..f7d4fa4
--- /dev/null
+++ b/383/main.cpp
@@ -0,0 +1,25 @@
+
+#include "header.hpp"
+#include <unordered_map>
+
+class Solution {
+public:
+  static bool canConstruct(std::string ransomNote, std::string magazine) {
+    bool result;
+
+    for (auto &iter : ransomNote) {
+      std::cout << iter;
+      auto pos = magazine.find(iter);
+      if (pos == std::string::npos) {
+        return false;
+      } else {
+        magazine[pos] = '\n';
+      }
+      std::cout << magazine << "\n";
+    }
+
+    return true;
+  }
+};
+
+int main(int argc, char **argv) { Solution::canConstruct("maga", "magazine"); }
diff --git a/383/makefile b/383/makefile
new file mode 100644
index 0000000..d5e9dc0
--- /dev/null
+++ b/383/makefile
@@ -0,0 +1,238 @@
+TARGET?=main
+SHELL=bash
+SHELL?=bash
+CXX=clang++
+CXX?=clang++
+ifdef OS
+CXX_FLAGS=-std=c++20
+else
+CXX_FLAGS=-std=c++20 -fpic
+endif
+CXX_EXTRA?=
+CTAGS_I_PATH?=./
+LD_FLAGS= -include-pch header.hpp.gch
+EXTRA_LD_FLAGS?=
+ADD_SANITIZERS_CC= -g -fsanitize=address -fno-omit-frame-pointer
+ADD_SANITIZERS_LD= -g -fsanitize=address
+MEM_SANITIZERS_CC= -g -fsanitize=memory -fno-omit-frame-pointer
+MEM_SANITIZERS_LD= -g -fsanitize=memory
+UB_SANITIZERS_CC= -g -fsanitize=undefined -fno-omit-frame-pointer
+UB_SANITIZERS_LD= -g -fsanitize=undefined
+FUZZ_SANITIZERS_CC= -fsanitize=fuzzer,address -g -fno-omit-frame-pointer
+FUZZ_SANITIZERS_LD= -fsanitize=fuzzer,address -g -fno-omit-frame-pointer
+COV_CXX= -fprofile-instr-generate -fcoverage-mapping
+COV_LD= -fprofile-instr-generate
+# BUILD_MODES are=RELEASE(default), DEBUG,ADDSAN,MEMSAN,UBSAN,FUZZ
+BUILD_MODE?=RELEASE
+#EXCLUSION_LIST='(\bdip)|(\bdim)'
+EXCLUSION_LIST='xxxxxx'
+OBJ_LIST:=$(patsubst %.cpp, %.o, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+OBJ_COV_LIST:=$(patsubst %.cpp, %.ocov, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+OBJ_DBG_LIST:=$(patsubst %.cpp, %.odbg, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+ASM_LIST:=$(patsubst %.cpp, %.s, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+WASM_LIST:=$(patsubst %.cpp, %.wasm, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+WAST_LIST:=$(patsubst %.cpp, %.wast, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+IR_LIST:=$(patsubst %.cpp, %.ir, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+JS_LIST:=$(patsubst %.cpp, %.js, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+AST_LIST:=$(patsubst %.cpp, %.ast, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+
+ifeq ($(BUILD_MODE), ADDSAN)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(ADD_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(ADD_SANITIZERS_LD)
+endif
+
+ifeq ($(BUILD_MODE), MEMSAN)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(MEM_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(MEM_SANITIZERS_LD)
+endif
+
+ifeq ($(BUILD_MODE), UBSAN)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(UB_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(UB_SANITIZERS_LD)
+endif
+
+ifeq ($(BUILD_MODE), FUZZ)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(FUZZ_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(FUZZ_SANITIZERS_LD)
+endif
+
+SRCS:=$(wildcard *.cpp)
+HDRS:=$(wildcard *.h)
+CXX_FLAGS+=$(CXX_EXTRA)
+LD_FLAGS+=$(EXTRA_LD_FLAGS)
+
+.DEFAULT:all
+
+.PHONY:all clean help ASM SO TAGS WASM JS exe IR WAST A ADBG AST cppcheck DOCKER
+
+all:exe
+
+everything:$(TARGET) A ASM SO $(TARGET)-static $(TARGET)-dbg ADBG TAGS $(TARGET)-cov WASM JS IR WAST AST DOCKER
+
+depend:.depend
+
+.depend:$(SRCS)
+	rm -rf .depend
+	$(CXX) -MM $(CXX_FLAGS) $^ > ./.depend
+	echo $(patsubst %.o:, %.odbg:, $(shell $(CXX) -MM $(CXX_FLAGS) $^)) | sed -r 's/[A-Za-z0-9\-\_]+\.odbg/\n&/g' >> ./.depend
+	echo $(patsubst %.o:, %.ocov:, $(shell $(CXX) -MM $(CXX_FLAGS) $^)) | sed -r 's/[A-Za-z0-9\-\_]+\.ocov/\n&/g' >> ./.depend
+
+-include ./.depend
+
+.cpp.o: header.hpp.gch
+	$(CXX) $(CXX_FLAGS) -c $< -o $@
+
+%.odbg:%.cpp
+	$(CXX) $(CXX_FLAGS) -g -c $< -o $@
+
+%.ocov:%.cpp
+	$(CXX) $(CXX_FLAGS) $(COV_CXX) -c $< -o $@
+
+header.hpp.gch:header.hpp
+	$(CXX) $(CXX_FLAGS) -c $< -o $@
+
+exe: header.hpp.gch $(TARGET)
+
+$(TARGET): $(OBJ_LIST)
+	$(CXX) $(LD_FLAGS) $^ -o $@
+
+$(TARGET)-static: $(OBJ_LIST)
+	$(CXX) $(LD_FLAGS) $^ -static -o $@
+
+$(TARGET)-dbg: $(OBJ_DBG_LIST)
+	$(CXX) $(LD_FLAGS) $^ -g -o $@
+
+$(TARGET)-cov: $(OBJ_COV_LIST)
+	$(CXX) $(LD_FLAGS) $^ $(COV_LD) -o $@
+
+cov: runcov
+	@llvm-profdata merge -sparse ./default.profraw -o ./default.profdata
+	@llvm-cov show $(TARGET)-cov -instr-profile=default.profdata
+
+covrep: runcov
+	@llvm-profdata merge -sparse ./default.profraw -o ./default.profdata
+	@llvm-cov report $(TARGET)-cov -instr-profile=default.profdata
+
+ASM:$(ASM_LIST)
+
+SO:$(TARGET).so
+
+A:$(TARGET).a
+
+ADBG:$(TARGET).adbg
+
+IR:$(IR_LIST)
+
+WASM:$(WASM_LIST)
+
+WAST:$(WAST_LIST)
+
+JS:$(JS_LIST)
+
+AST:$(AST_LIST)
+
+TAGS:tags
+
+#https://github.com/rizsotto/Bear
+BEAR: clean
+	bear make
+
+tags:$(SRCS)
+	$(shell $(CXX) -c -I $(CTAGS_I_PATH) -M $(SRCS)|\
+		sed -e 's/[\\ ]/\n/g'|sed -e '/^$$/d' -e '/\.o:[ \t]*$$/d'|\
+		ctags -L - --c++-kinds=+p --fields=+iaS --extra=+q)
+
+%.s: %.cpp
+	$(CXX) -S $< -o $@
+	# objdump -r -d -M intel -S $< > $@
+
+%.ir: %.cpp
+	$(CXX) -emit-llvm -S -o $@ $<
+
+%.wasm: %.cpp
+	em++ $< -o $@
+
+%.wast: %.wasm
+	wasm2wat $< > $@
+
+%.js: %.cpp
+	em++ $< -s FORCE_FILESYSTEM=1 -s EXIT_RUNTIME=1 -o $@
+
+%.ast: %.cpp
+	$(CXX) -Xclang -ast-dump -fsyntax-only $< > $@
+
+$(TARGET).so: $(OBJ_LIST)
+	$(CXX) $(LD_FLAGS) $^ -shared -o $@
+
+$(TARGET).a: $(OBJ_LIST)
+	ar rcs $(TARGET).a $(OBJ_LIST)
+
+$(TARGET).adbg: $(OBJ_DBG_LIST)
+	ar rcs $(TARGET).adbg $(OBJ_DBG_LIST)
+
+runcov: $(TARGET)-cov
+	$(TARGET)-cov
+
+test: $(TARGET)
+	$(TARGET)
+
+run: $(TARGET)
+	"./$(TARGET)"
+
+valgrind: $(TARGET)
+	- valgrind --track-origins=yes --leak-check=full --show-leak-kinds=all $(TARGET)
+
+cppcheck:
+	cppcheck $(SRCS)
+
+rundbg: $(TARGET)-dbg
+	gdb --batch --command=./debug.dbg --args $(TARGET)-dbg
+
+format:
+	- clang-format -i $(SRCS) $(HDRS)
+
+DOCKER: Dockerfile
+	docker buld -t proto ./
+
+clean:
+	- rm -f *.o *.dis *.odbg *.ocov *.js *.ir *~ $(TARGET) $(TARGET).so $(TARGET)-static \
+		$(TARGET)-dbg $(TARGET).a $(TARGET)-cov *.wasm *.wast $(TARGET).adbg *.ast
+
+deepclean: clean
+	- rm tags
+	- rm .depend
+	- rm ./default.profraw ./default.profdata
+	- rm vgcore.*
+	- rm compile_commands.json
+	- rm *.gch
+
+help:
+	@echo "--all is the default target, runs $(TARGET) target"
+	@echo "--everything will build everything"
+	@echo "--SO will generate the so"
+	@echo "--ASM will generate assembly files"
+	@echo "--TAGS will generate tags file"
+	@echo "--BEAR will generate a compilation database"
+	@echo "--IR will generate llvm IR"
+	@echo "--$(TARGET) builds the dynamically-linked executable"
+	@echo "--$(TARGET)-dbg will generate the debug build. BUILD_MODE should be set to DEBUG to work"
+	@echo "--$(TARGET)-static will statically link the executable to the libraries"
+	@echo "--$(TARGET)-cov is the coverage build"
+	@echo "--cov will print the coverage report"
+	@echo "--covrep will print the line coverage report"
+	@echo "--A will build the static library"
+	@echo "--TAGS will build the tags file"
+	@echo "--clean"
+	@echo "--deepclean will clean almost everything"
diff --git a/412/header.hpp b/412/header.hpp
new file mode 100644
index 0000000..2df2a5a
--- /dev/null
+++ b/412/header.hpp
@@ -0,0 +1,4 @@
+
+#include <iostream>
+#include <string>
+#include <vector>
diff --git a/412/main.cpp b/412/main.cpp
new file mode 100644
index 0000000..c0884ec
--- /dev/null
+++ b/412/main.cpp
@@ -0,0 +1,34 @@
+#include "header.hpp"
+
+class Solution {
+public:
+  static std::vector<std::string> fizzBuzz(int n) {
+    std::vector<std::string> result;
+    result.reserve(n);
+
+    for (int i = 1; i <= n; ++i) {
+      if (0 == i % 3) {
+        if (0 == i % 5) [[unlikely]] {
+          result.push_back("FizzBuzz");
+        } else {
+          result.push_back("Fizz");
+        }
+      } else if (0 == i % 5) {
+        result.push_back("Buzz");
+      } else [[likely]] {
+        result.push_back(std::to_string(i));
+      }
+    }
+
+    return result;
+  }
+};
+
+int main(int argc, char **argv) {
+  auto result = Solution::fizzBuzz(15);
+  for (auto &iter : result) {
+    std::cout << iter << ", ";
+  }
+  std::cout << "\n";
+  return 0;
+}
diff --git a/412/makefile b/412/makefile
new file mode 100644
index 0000000..d5e9dc0
--- /dev/null
+++ b/412/makefile
@@ -0,0 +1,238 @@
+TARGET?=main
+SHELL=bash
+SHELL?=bash
+CXX=clang++
+CXX?=clang++
+ifdef OS
+CXX_FLAGS=-std=c++20
+else
+CXX_FLAGS=-std=c++20 -fpic
+endif
+CXX_EXTRA?=
+CTAGS_I_PATH?=./
+LD_FLAGS= -include-pch header.hpp.gch
+EXTRA_LD_FLAGS?=
+ADD_SANITIZERS_CC= -g -fsanitize=address -fno-omit-frame-pointer
+ADD_SANITIZERS_LD= -g -fsanitize=address
+MEM_SANITIZERS_CC= -g -fsanitize=memory -fno-omit-frame-pointer
+MEM_SANITIZERS_LD= -g -fsanitize=memory
+UB_SANITIZERS_CC= -g -fsanitize=undefined -fno-omit-frame-pointer
+UB_SANITIZERS_LD= -g -fsanitize=undefined
+FUZZ_SANITIZERS_CC= -fsanitize=fuzzer,address -g -fno-omit-frame-pointer
+FUZZ_SANITIZERS_LD= -fsanitize=fuzzer,address -g -fno-omit-frame-pointer
+COV_CXX= -fprofile-instr-generate -fcoverage-mapping
+COV_LD= -fprofile-instr-generate
+# BUILD_MODES are=RELEASE(default), DEBUG,ADDSAN,MEMSAN,UBSAN,FUZZ
+BUILD_MODE?=RELEASE
+#EXCLUSION_LIST='(\bdip)|(\bdim)'
+EXCLUSION_LIST='xxxxxx'
+OBJ_LIST:=$(patsubst %.cpp, %.o, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+OBJ_COV_LIST:=$(patsubst %.cpp, %.ocov, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+OBJ_DBG_LIST:=$(patsubst %.cpp, %.odbg, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+ASM_LIST:=$(patsubst %.cpp, %.s, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+WASM_LIST:=$(patsubst %.cpp, %.wasm, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+WAST_LIST:=$(patsubst %.cpp, %.wast, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+IR_LIST:=$(patsubst %.cpp, %.ir, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+JS_LIST:=$(patsubst %.cpp, %.js, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+AST_LIST:=$(patsubst %.cpp, %.ast, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+
+ifeq ($(BUILD_MODE), ADDSAN)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(ADD_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(ADD_SANITIZERS_LD)
+endif
+
+ifeq ($(BUILD_MODE), MEMSAN)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(MEM_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(MEM_SANITIZERS_LD)
+endif
+
+ifeq ($(BUILD_MODE), UBSAN)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(UB_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(UB_SANITIZERS_LD)
+endif
+
+ifeq ($(BUILD_MODE), FUZZ)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(FUZZ_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(FUZZ_SANITIZERS_LD)
+endif
+
+SRCS:=$(wildcard *.cpp)
+HDRS:=$(wildcard *.h)
+CXX_FLAGS+=$(CXX_EXTRA)
+LD_FLAGS+=$(EXTRA_LD_FLAGS)
+
+.DEFAULT:all
+
+.PHONY:all clean help ASM SO TAGS WASM JS exe IR WAST A ADBG AST cppcheck DOCKER
+
+all:exe
+
+everything:$(TARGET) A ASM SO $(TARGET)-static $(TARGET)-dbg ADBG TAGS $(TARGET)-cov WASM JS IR WAST AST DOCKER
+
+depend:.depend
+
+.depend:$(SRCS)
+	rm -rf .depend
+	$(CXX) -MM $(CXX_FLAGS) $^ > ./.depend
+	echo $(patsubst %.o:, %.odbg:, $(shell $(CXX) -MM $(CXX_FLAGS) $^)) | sed -r 's/[A-Za-z0-9\-\_]+\.odbg/\n&/g' >> ./.depend
+	echo $(patsubst %.o:, %.ocov:, $(shell $(CXX) -MM $(CXX_FLAGS) $^)) | sed -r 's/[A-Za-z0-9\-\_]+\.ocov/\n&/g' >> ./.depend
+
+-include ./.depend
+
+.cpp.o: header.hpp.gch
+	$(CXX) $(CXX_FLAGS) -c $< -o $@
+
+%.odbg:%.cpp
+	$(CXX) $(CXX_FLAGS) -g -c $< -o $@
+
+%.ocov:%.cpp
+	$(CXX) $(CXX_FLAGS) $(COV_CXX) -c $< -o $@
+
+header.hpp.gch:header.hpp
+	$(CXX) $(CXX_FLAGS) -c $< -o $@
+
+exe: header.hpp.gch $(TARGET)
+
+$(TARGET): $(OBJ_LIST)
+	$(CXX) $(LD_FLAGS) $^ -o $@
+
+$(TARGET)-static: $(OBJ_LIST)
+	$(CXX) $(LD_FLAGS) $^ -static -o $@
+
+$(TARGET)-dbg: $(OBJ_DBG_LIST)
+	$(CXX) $(LD_FLAGS) $^ -g -o $@
+
+$(TARGET)-cov: $(OBJ_COV_LIST)
+	$(CXX) $(LD_FLAGS) $^ $(COV_LD) -o $@
+
+cov: runcov
+	@llvm-profdata merge -sparse ./default.profraw -o ./default.profdata
+	@llvm-cov show $(TARGET)-cov -instr-profile=default.profdata
+
+covrep: runcov
+	@llvm-profdata merge -sparse ./default.profraw -o ./default.profdata
+	@llvm-cov report $(TARGET)-cov -instr-profile=default.profdata
+
+ASM:$(ASM_LIST)
+
+SO:$(TARGET).so
+
+A:$(TARGET).a
+
+ADBG:$(TARGET).adbg
+
+IR:$(IR_LIST)
+
+WASM:$(WASM_LIST)
+
+WAST:$(WAST_LIST)
+
+JS:$(JS_LIST)
+
+AST:$(AST_LIST)
+
+TAGS:tags
+
+#https://github.com/rizsotto/Bear
+BEAR: clean
+	bear make
+
+tags:$(SRCS)
+	$(shell $(CXX) -c -I $(CTAGS_I_PATH) -M $(SRCS)|\
+		sed -e 's/[\\ ]/\n/g'|sed -e '/^$$/d' -e '/\.o:[ \t]*$$/d'|\
+		ctags -L - --c++-kinds=+p --fields=+iaS --extra=+q)
+
+%.s: %.cpp
+	$(CXX) -S $< -o $@
+	# objdump -r -d -M intel -S $< > $@
+
+%.ir: %.cpp
+	$(CXX) -emit-llvm -S -o $@ $<
+
+%.wasm: %.cpp
+	em++ $< -o $@
+
+%.wast: %.wasm
+	wasm2wat $< > $@
+
+%.js: %.cpp
+	em++ $< -s FORCE_FILESYSTEM=1 -s EXIT_RUNTIME=1 -o $@
+
+%.ast: %.cpp
+	$(CXX) -Xclang -ast-dump -fsyntax-only $< > $@
+
+$(TARGET).so: $(OBJ_LIST)
+	$(CXX) $(LD_FLAGS) $^ -shared -o $@
+
+$(TARGET).a: $(OBJ_LIST)
+	ar rcs $(TARGET).a $(OBJ_LIST)
+
+$(TARGET).adbg: $(OBJ_DBG_LIST)
+	ar rcs $(TARGET).adbg $(OBJ_DBG_LIST)
+
+runcov: $(TARGET)-cov
+	$(TARGET)-cov
+
+test: $(TARGET)
+	$(TARGET)
+
+run: $(TARGET)
+	"./$(TARGET)"
+
+valgrind: $(TARGET)
+	- valgrind --track-origins=yes --leak-check=full --show-leak-kinds=all $(TARGET)
+
+cppcheck:
+	cppcheck $(SRCS)
+
+rundbg: $(TARGET)-dbg
+	gdb --batch --command=./debug.dbg --args $(TARGET)-dbg
+
+format:
+	- clang-format -i $(SRCS) $(HDRS)
+
+DOCKER: Dockerfile
+	docker buld -t proto ./
+
+clean:
+	- rm -f *.o *.dis *.odbg *.ocov *.js *.ir *~ $(TARGET) $(TARGET).so $(TARGET)-static \
+		$(TARGET)-dbg $(TARGET).a $(TARGET)-cov *.wasm *.wast $(TARGET).adbg *.ast
+
+deepclean: clean
+	- rm tags
+	- rm .depend
+	- rm ./default.profraw ./default.profdata
+	- rm vgcore.*
+	- rm compile_commands.json
+	- rm *.gch
+
+help:
+	@echo "--all is the default target, runs $(TARGET) target"
+	@echo "--everything will build everything"
+	@echo "--SO will generate the so"
+	@echo "--ASM will generate assembly files"
+	@echo "--TAGS will generate tags file"
+	@echo "--BEAR will generate a compilation database"
+	@echo "--IR will generate llvm IR"
+	@echo "--$(TARGET) builds the dynamically-linked executable"
+	@echo "--$(TARGET)-dbg will generate the debug build. BUILD_MODE should be set to DEBUG to work"
+	@echo "--$(TARGET)-static will statically link the executable to the libraries"
+	@echo "--$(TARGET)-cov is the coverage build"
+	@echo "--cov will print the coverage report"
+	@echo "--covrep will print the line coverage report"
+	@echo "--A will build the static library"
+	@echo "--TAGS will build the tags file"
+	@echo "--clean"
+	@echo "--deepclean will clean almost everything"
diff --git a/876/header.hpp b/876/header.hpp
new file mode 100644
index 0000000..2df2a5a
--- /dev/null
+++ b/876/header.hpp
@@ -0,0 +1,4 @@
+
+#include <iostream>
+#include <string>
+#include <vector>
diff --git a/876/main.cpp b/876/main.cpp
new file mode 100644
index 0000000..e9a9288
--- /dev/null
+++ b/876/main.cpp
@@ -0,0 +1,61 @@
+
+#include "header.hpp"
+
+struct ListNode {
+  int val;
+  ListNode *next;
+  ListNode() : val(0), next(nullptr) {}
+  ListNode(int x) : val(x), next(nullptr) {}
+  ListNode(int x, ListNode *next) : val(x), next(next) {}
+};
+
+class Solution {
+public:
+  static ListNode *middleNode(ListNode *head) {
+    std::vector<ListNode *> heads;
+    if (nullptr == head->next)
+      return head;
+    while (nullptr != head->next) {
+      heads.push_back(head);
+      head = head->next;
+    }
+
+    int size = heads.size();
+    std::cout << "size:" << size << "\n";
+    return heads[(size / 2) - ((size - 1) % 2) + 1];
+  }
+};
+
+int main(int argc, char **argv) {
+  ListNode *l1 = new ListNode;
+  ListNode *l2 = new ListNode;
+  ListNode *l3 = new ListNode;
+  ListNode *l4 = new ListNode;
+  ListNode *l5 = new ListNode;
+  ListNode *l6 = new ListNode;
+  l1->val = 1;
+  l2->val = 2;
+  l3->val = 3;
+  l4->val = 4;
+  l5->val = 5;
+  l6->val = 6;
+  l1->next = l2;
+  l2->next = l3;
+  l3->next = l4;
+  l4->next = l5;
+  l5->next = l6;
+  l6->next = nullptr;
+  ListNode *head;
+  head = Solution::middleNode(l1);
+  while (head->next != nullptr) {
+    std::cout << head->val << ",";
+    head = head->next;
+  }
+  std::cout << std::endl;
+  delete l1;
+  delete l2;
+  delete l3;
+  delete l4;
+  delete l5;
+  delete l6;
+}
diff --git a/876/makefile b/876/makefile
new file mode 100644
index 0000000..d5e9dc0
--- /dev/null
+++ b/876/makefile
@@ -0,0 +1,238 @@
+TARGET?=main
+SHELL=bash
+SHELL?=bash
+CXX=clang++
+CXX?=clang++
+ifdef OS
+CXX_FLAGS=-std=c++20
+else
+CXX_FLAGS=-std=c++20 -fpic
+endif
+CXX_EXTRA?=
+CTAGS_I_PATH?=./
+LD_FLAGS= -include-pch header.hpp.gch
+EXTRA_LD_FLAGS?=
+ADD_SANITIZERS_CC= -g -fsanitize=address -fno-omit-frame-pointer
+ADD_SANITIZERS_LD= -g -fsanitize=address
+MEM_SANITIZERS_CC= -g -fsanitize=memory -fno-omit-frame-pointer
+MEM_SANITIZERS_LD= -g -fsanitize=memory
+UB_SANITIZERS_CC= -g -fsanitize=undefined -fno-omit-frame-pointer
+UB_SANITIZERS_LD= -g -fsanitize=undefined
+FUZZ_SANITIZERS_CC= -fsanitize=fuzzer,address -g -fno-omit-frame-pointer
+FUZZ_SANITIZERS_LD= -fsanitize=fuzzer,address -g -fno-omit-frame-pointer
+COV_CXX= -fprofile-instr-generate -fcoverage-mapping
+COV_LD= -fprofile-instr-generate
+# BUILD_MODES are=RELEASE(default), DEBUG,ADDSAN,MEMSAN,UBSAN,FUZZ
+BUILD_MODE?=RELEASE
+#EXCLUSION_LIST='(\bdip)|(\bdim)'
+EXCLUSION_LIST='xxxxxx'
+OBJ_LIST:=$(patsubst %.cpp, %.o, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+OBJ_COV_LIST:=$(patsubst %.cpp, %.ocov, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+OBJ_DBG_LIST:=$(patsubst %.cpp, %.odbg, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+ASM_LIST:=$(patsubst %.cpp, %.s, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+WASM_LIST:=$(patsubst %.cpp, %.wasm, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+WAST_LIST:=$(patsubst %.cpp, %.wast, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+IR_LIST:=$(patsubst %.cpp, %.ir, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+JS_LIST:=$(patsubst %.cpp, %.js, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+AST_LIST:=$(patsubst %.cpp, %.ast, $(shell find . -name '*.cpp' | grep -Ev $(EXCLUSION_LIST)))
+
+ifeq ($(BUILD_MODE), ADDSAN)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(ADD_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(ADD_SANITIZERS_LD)
+endif
+
+ifeq ($(BUILD_MODE), MEMSAN)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(MEM_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(MEM_SANITIZERS_LD)
+endif
+
+ifeq ($(BUILD_MODE), UBSAN)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(UB_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(UB_SANITIZERS_LD)
+endif
+
+ifeq ($(BUILD_MODE), FUZZ)
+ifeq ($(CXX), g++)
+$(error This build mode is only useable with clang++.)
+endif
+CXX_EXTRA+=$(FUZZ_SANITIZERS_CC)
+EXTRA_LD_FLAGS+=$(FUZZ_SANITIZERS_LD)
+endif
+
+SRCS:=$(wildcard *.cpp)
+HDRS:=$(wildcard *.h)
+CXX_FLAGS+=$(CXX_EXTRA)
+LD_FLAGS+=$(EXTRA_LD_FLAGS)
+
+.DEFAULT:all
+
+.PHONY:all clean help ASM SO TAGS WASM JS exe IR WAST A ADBG AST cppcheck DOCKER
+
+all:exe
+
+everything:$(TARGET) A ASM SO $(TARGET)-static $(TARGET)-dbg ADBG TAGS $(TARGET)-cov WASM JS IR WAST AST DOCKER
+
+depend:.depend
+
+.depend:$(SRCS)
+	rm -rf .depend
+	$(CXX) -MM $(CXX_FLAGS) $^ > ./.depend
+	echo $(patsubst %.o:, %.odbg:, $(shell $(CXX) -MM $(CXX_FLAGS) $^)) | sed -r 's/[A-Za-z0-9\-\_]+\.odbg/\n&/g' >> ./.depend
+	echo $(patsubst %.o:, %.ocov:, $(shell $(CXX) -MM $(CXX_FLAGS) $^)) | sed -r 's/[A-Za-z0-9\-\_]+\.ocov/\n&/g' >> ./.depend
+
+-include ./.depend
+
+.cpp.o: header.hpp.gch
+	$(CXX) $(CXX_FLAGS) -c $< -o $@
+
+%.odbg:%.cpp
+	$(CXX) $(CXX_FLAGS) -g -c $< -o $@
+
+%.ocov:%.cpp
+	$(CXX) $(CXX_FLAGS) $(COV_CXX) -c $< -o $@
+
+header.hpp.gch:header.hpp
+	$(CXX) $(CXX_FLAGS) -c $< -o $@
+
+exe: header.hpp.gch $(TARGET)
+
+$(TARGET): $(OBJ_LIST)
+	$(CXX) $(LD_FLAGS) $^ -o $@
+
+$(TARGET)-static: $(OBJ_LIST)
+	$(CXX) $(LD_FLAGS) $^ -static -o $@
+
+$(TARGET)-dbg: $(OBJ_DBG_LIST)
+	$(CXX) $(LD_FLAGS) $^ -g -o $@
+
+$(TARGET)-cov: $(OBJ_COV_LIST)
+	$(CXX) $(LD_FLAGS) $^ $(COV_LD) -o $@
+
+cov: runcov
+	@llvm-profdata merge -sparse ./default.profraw -o ./default.profdata
+	@llvm-cov show $(TARGET)-cov -instr-profile=default.profdata
+
+covrep: runcov
+	@llvm-profdata merge -sparse ./default.profraw -o ./default.profdata
+	@llvm-cov report $(TARGET)-cov -instr-profile=default.profdata
+
+ASM:$(ASM_LIST)
+
+SO:$(TARGET).so
+
+A:$(TARGET).a
+
+ADBG:$(TARGET).adbg
+
+IR:$(IR_LIST)
+
+WASM:$(WASM_LIST)
+
+WAST:$(WAST_LIST)
+
+JS:$(JS_LIST)
+
+AST:$(AST_LIST)
+
+TAGS:tags
+
+#https://github.com/rizsotto/Bear
+BEAR: clean
+	bear make
+
+tags:$(SRCS)
+	$(shell $(CXX) -c -I $(CTAGS_I_PATH) -M $(SRCS)|\
+		sed -e 's/[\\ ]/\n/g'|sed -e '/^$$/d' -e '/\.o:[ \t]*$$/d'|\
+		ctags -L - --c++-kinds=+p --fields=+iaS --extra=+q)
+
+%.s: %.cpp
+	$(CXX) -S $< -o $@
+	# objdump -r -d -M intel -S $< > $@
+
+%.ir: %.cpp
+	$(CXX) -emit-llvm -S -o $@ $<
+
+%.wasm: %.cpp
+	em++ $< -o $@
+
+%.wast: %.wasm
+	wasm2wat $< > $@
+
+%.js: %.cpp
+	em++ $< -s FORCE_FILESYSTEM=1 -s EXIT_RUNTIME=1 -o $@
+
+%.ast: %.cpp
+	$(CXX) -Xclang -ast-dump -fsyntax-only $< > $@
+
+$(TARGET).so: $(OBJ_LIST)
+	$(CXX) $(LD_FLAGS) $^ -shared -o $@
+
+$(TARGET).a: $(OBJ_LIST)
+	ar rcs $(TARGET).a $(OBJ_LIST)
+
+$(TARGET).adbg: $(OBJ_DBG_LIST)
+	ar rcs $(TARGET).adbg $(OBJ_DBG_LIST)
+
+runcov: $(TARGET)-cov
+	$(TARGET)-cov
+
+test: $(TARGET)
+	$(TARGET)
+
+run: $(TARGET)
+	"./$(TARGET)"
+
+valgrind: $(TARGET)
+	- valgrind --track-origins=yes --leak-check=full --show-leak-kinds=all $(TARGET)
+
+cppcheck:
+	cppcheck $(SRCS)
+
+rundbg: $(TARGET)-dbg
+	gdb --batch --command=./debug.dbg --args $(TARGET)-dbg
+
+format:
+	- clang-format -i $(SRCS) $(HDRS)
+
+DOCKER: Dockerfile
+	docker buld -t proto ./
+
+clean:
+	- rm -f *.o *.dis *.odbg *.ocov *.js *.ir *~ $(TARGET) $(TARGET).so $(TARGET)-static \
+		$(TARGET)-dbg $(TARGET).a $(TARGET)-cov *.wasm *.wast $(TARGET).adbg *.ast
+
+deepclean: clean
+	- rm tags
+	- rm .depend
+	- rm ./default.profraw ./default.profdata
+	- rm vgcore.*
+	- rm compile_commands.json
+	- rm *.gch
+
+help:
+	@echo "--all is the default target, runs $(TARGET) target"
+	@echo "--everything will build everything"
+	@echo "--SO will generate the so"
+	@echo "--ASM will generate assembly files"
+	@echo "--TAGS will generate tags file"
+	@echo "--BEAR will generate a compilation database"
+	@echo "--IR will generate llvm IR"
+	@echo "--$(TARGET) builds the dynamically-linked executable"
+	@echo "--$(TARGET)-dbg will generate the debug build. BUILD_MODE should be set to DEBUG to work"
+	@echo "--$(TARGET)-static will statically link the executable to the libraries"
+	@echo "--$(TARGET)-cov is the coverage build"
+	@echo "--cov will print the coverage report"
+	@echo "--covrep will print the line coverage report"
+	@echo "--A will build the static library"
+	@echo "--TAGS will build the tags file"
+	@echo "--clean"
+	@echo "--deepclean will clean almost everything"