#ifndef RODITTY_ZWICK_H_
#define RODITTY_ZWICK_H_

namespace algo {

template<typename T>
class RodittyZwick {
public:
  ~RodittyZwick();

  // This method is implemented and executed by all roditty and zwick
  // algorithms, it constructs the data structures used in other operations
  virtual void init() =0;

  // Answer if vertex v is reachable from vertex u
  virtual bool query(const T& u, const T& v) =0;

  // Remove edge e(u,v) and maintain the transitive closure matrix
  virtual void remove(const T& u, const T& v) =0;
};

template<typename T>
RodittyZwick<T>::~RodittyZwick() {

}

}; // namespace algo

#endif