How does c++ std::vector work? - Stack Overflow
Jul 2, 2010 · Using std::vector allows the use of other Standard Template Library components such as algorithms so using std::vector comes with quite a few advantages over a C style array as you get to …
Delete all items from a c++ std::vector - Stack Overflow
Delete all items from a c++ std::vector Asked 16 years, 2 months ago Modified 5 years, 7 months ago Viewed 144k times
std::vector versus std::array in C++ - Stack Overflow
Dec 12, 2010 · std::vector is a template class that encapsulate a dynamic array 1, stored in the heap, that grows and shrinks automatically if elements are added or removed. It provides all the hooks …
When should I use a std::inplace_vector instead of a std::vector?
Oct 29, 2024 · A std::vector (or anything else which requires dynamic allocation) is not usable within a constexpr expression. The inplace storage of std::inplace_vector allows it to be used as a constexpr …
c++ - What is the difference between std::array and std::vector? When ...
What is the difference between std::array and std::vector? When do you use one over other? I have always used and considered std:vector as an C++ way of using C arrays, so what is the difference?
stl - How is C++ std::vector implemented? - Stack Overflow
Apr 26, 2013 · I have been using std::vector a lot, and recently I asked myself this question: "How is std::vector implemented?" I had two alternatives: 1) Linked list, and then making the API feel like …
c++ - std::vector: vec.data () or &vec [0] - Stack Overflow
May 24, 2012 · 1 Before C++11's std::array I would say that std::vector was the most common container to be used instead of the C-style array. The [] operator usually implies constant time access, (which …
Is std::vector so much slower than plain arrays? - Stack Overflow
Sep 8, 2010 · And since the question was about std::vector then yes it is !much! slower than plain arrays (optimized/unoptimized). But when you're doing a benchmark, you naturally want to produce …
c++ - sizeof () std::vector - Stack Overflow
With respect to the practically correct: the "best" approach to implementing std::vector<T> is to have the actually object store a pointer to T which is a pointer to the start of the elements and have the …
c++ - std::vector of std::vectors contiguity - Stack Overflow
std::vector< std::vector<T> > is a vector of objects, that are stored in contiguous block of memory. The fact that these objects are vectors too is irrelevant though.