Randomize elements in a vector with random_shuffle(scores.begin(), scores.end()); : random_shuffle « STL Algorithms Modifying sequence operations « C++

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Randomize elements in a vector with random_shuffle(scores.begin(), scores.end());

  

#include <iostream>

#include <vector>

#include <algorithm>

#include <ctime>

#include <cstdlib>



using namespace std;



int main()

{

    vector<int>::const_iterator iter;



    vector<int> scores;

    scores.push_back(1);

    scores.push_back(3);

    scores.push_back(5);



    for (iter = scores.begin(); iter != scores.end(); ++iter)

        cout << *iter << endl;



    srand(time(0));

    random_shuffle(scores.begin(), scores.end());

    for (iter = scores.begin(); iter != scores.end(); ++iter)

        cout << *iter << endl;



 return 0;

}

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1.	std::random_shuffle a vector
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3.	Use random_shuffle to shuffle all elements randomly
4.	Use random_shuffle to shuffle elements with self-written random number generator

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