TCHS SRM 48 Level one - 250 pt - Sending Cards solution

TCHS SRM 48 Level one - 250 pt - Sending Cards: http://community.topcoder.com/stat?c=problem_statement&pm=8456&rd=10807

TCHS SRM 48 Level one - 250 pt - Sending Cards editorial: http://community.topcoder.com/tc?module=Static&d1=hs&d2=match_editorials&d3=hs_srm48

TCHS SRM 48 Level one - 250 pt - Sending Cards solution: 

#include <iostream>
#include <vector>

class SendingCards{
    public: int howMany(std::vector <std::string> f) {
        int cnt=0;
        for(int i=0; i<f.size(); i++) for(int j=0; j<f[i].length(); j++) if(f[i][j]=='Y' && f[j][i]=='N') cnt++;
        return cnt;
    }
};