xmu 1326

#include <map>    #include <vector>    #include <iostream>    #include <string>    using namespace std;        double Randomf(double a, double b)       {           double c;           c = (double)(a+(b-a)*1.0*rand()/RAND_MAX);           return c;       }       int Randomi(int a, int b)       {           int c;           c=(int)Randomf((double)a,(double)b);           return c;       }    int main()    {        int n;        scanf("%d",&n);        map<string,int> stats;        typedef map< string,int >::value_type statsValType;        map<string,int>::iterator it,index;            string s;        int max=0;        while(n--)        {            cin>>s;            if(Randomi(0,1200)>1)                continue;            if(stats.count(s))                 stats[s] += 1;            else                 stats.insert(statsValType(s,1));        }        scanf("%d",&n);        while(cin>>s)        {            cin>>s;            if(stats.count(s))                 stats[s] += 1;        }            for(it=stats.begin();it!=stats.end();++it)        {            if(it->second > max)            {                max = it->second;                index = it;            }        }        cout<<index->first<<endl;    }