diff --git a/2025/02/cracking_code_interview_17_26_sparse_similarity/.gitignore b/2025/02/cracking_code_interview_17_26_sparse_similarity/.gitignore
new file mode 100644
index 0000000..ba077a4
--- /dev/null
+++ b/2025/02/cracking_code_interview_17_26_sparse_similarity/.gitignore
@@ -0,0 +1 @@
+bin
diff --git a/2025/02/cracking_code_interview_17_26_sparse_similarity/Makefile b/2025/02/cracking_code_interview_17_26_sparse_similarity/Makefile
new file mode 100644
index 0000000..ae1f104
--- /dev/null
+++ b/2025/02/cracking_code_interview_17_26_sparse_similarity/Makefile
@@ -0,0 +1,19 @@
+BIN_DIR=bin
+SRC_DIR=src
+DEST=bin/program
+SRC=$(wildcard $(SRC_DIR)/*.c)
+BIN=$(patsubst $(SRC_DIR)/%.c,$(BIN_DIR)/%.c.o,$(SRC))
+
+all: $(DEST)
+
+.PHONY: clean
+
+$(DEST): $(BIN)
+	${CC} $(LDFLAGS) -o $@ $^
+
+$(BIN_DIR)/%.c.o: $(SRC_DIR)/%.c
+	@mkdir -p $(BIN_DIR)
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+clean:
+	rm -rf $(BIN_DIR)
diff --git a/2025/02/cracking_code_interview_17_26_sparse_similarity/src/main.c b/2025/02/cracking_code_interview_17_26_sparse_similarity/src/main.c
new file mode 100644
index 0000000..dc79d60
--- /dev/null
+++ b/2025/02/cracking_code_interview_17_26_sparse_similarity/src/main.c
@@ -0,0 +1,5 @@
+#include <stdio.h>
+
+int main() {
+	return 0;
+}