vector <int> getSwimTimes(vector <int> distances, vector <int> speeds, int current) {
	    vector <int> t;

		for(int i=0;i<distances.size();i++){
		   if(speeds[i] <= current)
		   t[i] = -1;
		   continue;
		   if(distances[i]<=0)
		   t[i] = 0;
		   else {
		  double temp  = distances[i]/(speeds[i]+current);
		  temp+= distances[i]/(speeds[i]-current);
		   t[i] = (int)floor(temp);
		  }
		  }
	return t;