RobotOnMoon

class RobotOnMoon {
public:
    int longestSafeCommand(vector <string> board) {

        int sx,xy,x=board.size(),y=board[0].size();

        for(int i=0;i<x;i++)
            for(int j=0;j<y;j++)
                if(board[i][j]=='S')
                {
                    sx=i;
                    sy=j;
                }

        for(int i=0;i<x;i++)
            for(int j=0;j<y;j++)
                if(board[i][j]=='#' && (i==sx || j==sy))
                    return -1;

        return x+y-2;
    }
};