record.h

这是本人精心搜集的关于常用图论算法的一套源码

#include "Key.h"
#include "Str.h"
class Record
{ friend bool operator==(Record &x, Record &y) {return x.key==y.key; }
  friend bool operator<(Record &x, Record &y) { return x.key<y.key; }
  friend bool operator>(Record &x, Record &y) { return x.key>y.key; }
  friend bool operator>=(Record &x, Record &y) { return x.key>=y.key; }
  friend bool operator<=(Record &x, Record &y) { return x.key<=y.key; }
  friend bool operator!=(Record &x, Record &y) { return x.key!=y.key; }
 public:
  Record():key(0){}
  Record(int k):key(k){}
  Record(const Record& copy)
   { key=copy.key;  other=copy.other; return *this; }
  Record& operator=(const Record& copy)
   { key=copy.key;  other=copy.other; return *this; }
  private:
    int key;
    String other;
};