URAL1086[Cryptography]

水题，分解质因数。

CODE:

/*

PROGRAM: $PROGRAM

AUTHOR: Su Jiao

DATE: 2010-4-12

DESCRIPTION:

$DESCRIPTION

*/

#include <iostream>

using std::cin;

using std::cout;

#include <fstream>

using std::ifstream;

using std::ofstream;

#include <sstream>

using std::stringstream;

using std::endl;

#include <vector>

using std::vector;

#include <string>

using std::string;

#include <stack>

using std::stack;

#include <queue>

using std::queue;

using std::priority_queue;

#include <set>

using std::set;

#include <map>

using std::map;

using std::pair;

using std::make_pair;

#include <algorithm>

using std::sort;

#include <cassert>

//using std::assert;

 

class Application

{

      static const int oo=200000;

      int n;

      vector<int> prime;

      void get_prime()

      {

           prime.push_back(2);

           for (int i=3;i<oo;i++)

           {

               bool can=true;

               for (int j=0;prime[j]*prime[j]<=i;j++)

                   if (i%prime[j]==0)

                   {

                      can=false;

                      break;

                   }

               if (can) prime.push_back(i);

           }

      }

      public:

      Application()

      {

                   cin>>n;

      }

      int run()

      {

          get_prime();

          for (int i=0;i<n;i++)

          {

              int order;

              cin>>order;

              cout<<prime[order-1]<<endl;

          }

          return 0;

      }

};

 

int main()

{

    Application app;

    return app.run();

}