URAL1021[Sacrament of the sum]

水题。

CODE:

/*

PROGRAM: $PROGRAM

AUTHOR: Su Jiao

DATE: 2010-3-18

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;

#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 SUM=10000;

      int aN,bN;

      vector<int> a,b;

      public:

      Application()

      {

                   cin>>aN;

                   a.resize(aN);

                   for (int i=0;i<aN;i++) cin>>a[i];

                   cin>>bN;

                   b.resize(bN);

                   for (int i=0;i<bN;i++) cin>>b[i];

      }

      int run()

      {

          bool have=false;

          for (int i=0,j=0;i<aN;i++)

          {

              while (a[i]+b[j]>SUM) j++;

              if (a[i]+b[j]==SUM) have=true;

          }

          cout<<(char*)(have?“YES”:“NO”)<<endl;

          return 0;

      }

};

 

int main()

{

    Application app;

    return app.run();

}