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Learn to use C++ STL iterators to access elements of collections as part of the C++ std::vector myIntVector; std::vector::iterator myIntVectorIterator; 20 Aug 2016 The generic algorithms use iterators just as you use pointers in C to get elements Here's an example call to copy(), an algorithm that we'll use in our examples below: vector v; vector::iterator iter; v.push_back(1); v.push_back(2); C++ program to illustrate the. // iterators in vector. #include . #include . using namespace std;. int main(). {. vector< int > g1;. for ( int i = 1; Iterators are used to point at the memory addresses of STL containers. using namespace std; Displaying vector elements using begin() and end() . Random-access Iterators in C++ · Methods to concatenate string in C/C++ with Examples 21 Nov 2011 using namespace std; vector myvector; // a vector of stings. The following is an example of a typical access pattern (earlier versions of C++): 25 Feb 2003 C++ Tutorial: A Beginner's Guide to std::vector, Part 1. Posted by . The controlled sequence also can be accessed using iterators. More on 11 Sep 2011 Lets take a look at some examples of using iterators. Iterating through a vector std::vector::const_iterator it; // declare a read-only iterator.std::vector::begin. Returns an iterator pointing to the first element in the vector. Notice that, unlike member vector::front, which returns a reference to the first element, this function returns a random access iterator pointing to it. If the container is empty, the returned iterator value shall not be dereferenced. 26 Nov 2018 ForwardIt must meet the requirements of LegacyForwardIterator. #include #include int main() { std::vector v{ 3, 1, 4 }