Add decremental maintenance of SCCs frame

algorithm/dmscc.h

@@ -0,0 +1,19 @@
+#ifndef DMSCC_H_
+#define DMSCC_H_
+
+#include "graph/graph.h"
+using namespace graph;
+#include "tarjan.h"
+
+namespace algo {
+
+// A randomized decremental algorithm for maintaining SCCs
+template<typename T>
+class DMSCC {
+public:
+  DMSCC() = default;
+};
+
+}; // namespace algo
+
+#endif