void InsertLine(PointList& pointlist, const string& line){ int spaceIndex = line.find(' '); int firstNum = atoi(line.substr(0,spaceIndex).c_str()); int secondNum = atoi(line.substr(spaceIndex).c_str()); //cout << "adding " << firstNum << ", " << secondNum << endl; pointlist.Insert(firstNum, secondNum); }