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 …
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 …
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, 6 months ago Viewed 144k times
std::vector versus std::array in C++ - Stack Overflow
Aug 21, 2015 · 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 …
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 …
check if a std::vector contains a certain object? [duplicate]
Aug 10, 2010 · See question: How to find an item in a std::vector? You'll also need to ensure you've implemented a suitable operator==() for your object, if the default one isn't sufficient for …
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.
Efficient way to return a std::vector in c++ - Stack Overflow
How much data is copied, when returning a std::vector in a function and how big an optimization will it be to place the std::vector in free-store (on the heap) and return a pointer instead i.e. is:...
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 …
How to find out if an item is present in a std::vector?
Feb 21, 2009 · 11 Bear in mind that, if you're going to be doing a lot of lookups, there are STL containers that are better for that. I don't know what your application is, but associative …