1 files changed, 14 insertions, 0 deletions
diff --git a/graphs/cpp/lookup_table/lookup_table.hh b/graphs/cpp/lookup_table/lookup_table.hh
new file mode 100644
index 0000000..eb25d43
--- /dev/null
+++ b/graphs/cpp/lookup_table/lookup_table.hh
@@ -0,0 +1,14 @@
+#pragma once
+
+#include <optional>
+#include <unordered_map>
+
+class LookupTable
+{
+public:
+    std::optional<long> get(int x);
+    void set(int x, long value);
+
+private:
+    std::unordered_map<int, long> table_;
+};