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- #include <iostream>
- #include <algorithm>
- #include <functional>
- #include <vector>
- #include <ctime>
- #include <cstdlib>
- using namespace std;
- // random generator function:
- ptrdiff_t myrandom (ptrdiff_t i) { return rand()%i;}
- // pointer object to it:
- ptrdiff_t (*p_myrandom)(ptrdiff_t) = myrandom;
- int main () {
- srand ( unsigned ( time (NULL) ) );
- vector<int> myvector;
- vector<int>::iterator it;
- // set some values:
- for (int i=1; i<10; ++i) myvector.push_back(i); // 1 2 3 4 5 6 7 8 9
- // using built-in random generator:
- random_shuffle ( myvector.begin(), myvector.end() );
- // using myrandom:
- random_shuffle ( myvector.begin(), myvector.end(), p_myrandom);
- // print out content:
- cout << "myvector contains:";
- for (it=myvector.begin(); it!=myvector.end(); ++it)
- cout << " " << *it;
- cout << endl;
- return 0;
- }
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