//Copy vector to cout 29 copy(svec.begin(), svec.end(), ostream_iterator<string>(cout,"\n")); 30 } 23行的istream_iterator<string>(cin),意思是将cin转成stream_iterator<string>这个template class,且骨子是string。而istream_iterator<string>(),呼叫了其default constructor,自动产生eof。 23行...
//Copy cin to vector 25 copy(istream_iterator<string>(inFile), istream_iterator<string>(), back_inserter(svec)); 26 27 //Sort vector 28 sort(svec.begin(), svec.end()); 29 30 //Copy vector to cout 31 ofstream outFile("books-11-30-2006_r.txt"); 32 copy(svec.begin(), svec.e...
22 vector<string>svec; 23 24 // Copy cin to vector 25 copy(istream_iterator<string>(inFile), istream_iterator<string>(), back_inserter(svec)); 26 27 // Sort vector 28 sort(svec.begin(), svec.end()); 29 30 // Copy vector to cout 31 ofstream outFile("books-11-30-2006_r.txt"...
本范例使用istream_iterator及copy(),将cin转到vector,只需一行的程序,vector经过sort(),再使用ostream_iterator将vector转到cout,也只需一行程序就可完成。 3 4Filename : StreamIteratorCinCout.cpp 5Compiler : Visual C++ 8.0 / ISO C++ 6Description : Demo how to use istream_iterator from cin to vector...
vector::iteratoritePre; cout<<"eraseVECinwrongway"<<endl; for(itePre=myVec.begin();itePre!=myVec.end();itePre++) { myVec.erase(itePre); } printVec(myVec); 按我以前的理解,这样的循环删除方式预期的结果应该是会把vector中的数据清空,但是事实并非如此事实会导致程序崩溃 因为itePre迭代器本身...
vectormsg {"Hello", "C++", "World", "from", "VS Code", "and the C++ extension!"}; for (const string& word : msg) { cout << word << " "; } cout << endl; } { // See https://go.microsoft.com/fwlink/?LinkId=733558 ...
vector《int》 to_vector(10); copy( from_vector.begin(), from_vector.end(), to_vector.begin() ); cout 《《“to_vector contains: ”; copy( to_vector.begin(), to_vector.end(), ostream_iterator《int》( cout, “” ) ); cout 《《 endl;...
intto; intweight; Edge(intf,intt,intw):from(f), to(t), weight(w) {} }; vector<int> G[__maxNodes];/* G[i] 存储顶点 i 出发的边的编号 */ vector<Edge> edges; typedefvector<int>::iterator iterator_t; intnum_nodes; intnum_left; ...
vector<string>::iteratoriter;for(iter=stringTag.begin();iter<stringTag.end();iter++){outstream<...
<iterator> //STL迭代器 #include <ostream> //基本输出流 #include <queue> //STL 队列容器 #include <set> //STL 集合容器 #include <sstream> //基于字符串的流 #include <stack> //STL 堆栈容器 #include <stdexcept> //标准异常类 #include <streambuf> //底层输入/输出支持 #include <string> ...