data_structures.h

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/*
Copyright (c) 2015, Tianwei Shen
All rights reserved.

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#ifndef DATA_STRUCTURES_HEADER
#define DATA_STRUCTURES_HEADER

namespace tw 
{
    class UnionFind 
    {
    public:
        UnionFind(size_t n);
        ~UnionFind();
        size_t Find(size_t x);
        bool UnionSet(size_t x, size_t y);

        size_t *father;
        size_t size;
    };

}   // end of namespace tw


#endif  //DATA_STRUCTURES_HEADER