SRM525 Div2 Easy(250) RainyRoad

RainyRoad

#include <string>
#include <vector>
using namespace std;

class RainyRoad{public:
string isReachable( vector <string> road )
{
    for ( int i=0; i<(int)road[0].size(); i++ )
        if ( road[0][i]=='W' && road[1][i]=='W' )
            return "NO";
    return "YES";
}};