copy(istream_iterator(cin),istream_iterator(),back_inserter(Digs))后无法输入整数!
vector<int> Digs;
cout<<"Input some ints.Input a character to end input."<<endl;
copy(istream_iterator<int>(cin),istream_iterator<int>(),back_inserter(Digs));
cout<<"Option:\n1.Less\n2.Great\nYour choice(1/2):";
int Option;
cin>>Option;//失败!
输入一系列的整数,遇到字符则结束,把这些整数存放到一个vector中。
应该如何操作才能输入Option?