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  • C++ STL 排列 next_permutation prev_permutation

    #include <iostream>
    #include <algorithm>
    #include <vector>

    using namespace std;

    int main()
    {
      vector<int> vec1;
      for (int k=0;k<5;k++)
      {
        vec1.push_back(rand());
      }

      vector<int>::iterator vec_iter1;
      for (vec_iter1 = vec1.begin();vec_iter1 != vec1.end();++vec_iter1)
      {
        cout << *vec_iter1 << " ";
      }
      cout << endl;
      cout << "----------------------------------" << endl;

      
      while (next_permutation(vec1.begin(),vec1.end()))
      {
        for (vector<int>::iterator vec_iter2 = vec1.begin(); vec_iter2 != vec1.end(); ++vec_iter2)
        {
          cout << *vec_iter2 << " ";
        }
        cout << endl;
        cout << "----------------------------------" << endl;
      }


      system("pause");
      return 0;
    }

    ========================================

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    请按任意键继续. . .

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  • 原文地址:https://www.cnblogs.com/herd/p/11011894.html
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