读写文件

void main() { vector<int> data; fstream in("c:\\data.txt"); if (!in) { cout<<"file error!"; exit(1); } int temp; while(!in.eof()) { in>>temp; data.push_back(temp); } in.close(); Order(data); ofstream out("c:\\result.txt"); if (!out) { cout<<"file error!"; exit(1); } for (int i=0;i<data.size();i++) out<<data[i]<<" "; out.close(); }