rndshuf2.cpp

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rndshuf2.cpp

#include ‹stl.h›

#include ‹stdlib.h›

#include ‹iostream.h›

class MyRandomGenerator {

public:

 nsigned long operator()(unsigned long n_);

};

unsigned long MyRandomGenerator::operator()(unsigned long n_) {

 return rand() % n_;

}

int main() {

 vector‹int› v1(10);

 iota(v1.begin(), v1.end(), 0);

 ostream_iterator ‹int› iter(cout, " ");

 copy(v1.begin(), v1.end(), iter);

 cout ‹‹ endl;

 MyRandomGenerator r;

 for (int i = 0; i ‹ 3; i++) {

  random_shuffle(v1.begin(), v1.end(), r);

  copy(v1.begin(), v1.end(), iter);

  cout ‹‹ endl;

 }

 return 0;

}