how to convert array to vector in c++ fast way

array to vector

#include <vector>

constexpr int vec_size = 5;

float a[vec_size] = {0, 1, 2, 3, 4};

std::vector<float> vec_a(a, a + vec_size); // good

1. https://sites.google.com/site/hashemian/home/tips-and-tricks/copy-array-cpp
2. https://stackoverflow.com/questions/8777603/what-is-the-simplest-way-to-convert-array-to-vector
3. https://www.freecodecamp.org/news/cpp-vector-how-to-initialize-a-vector-in-a-constructor/ <- how to initialize a vector from an array in C++

And vector to array

#include <vector>

constexpr int vec_size = 5;

float a[vec_size] = {0, 1, 2, 3, 4};

std::vector<float> vec_a(a, a + vec_size); // good

#include <algorithm>

float b[vec_size] = {}

std::copy(vec_a.begin(), vec_a.end(), b); // good

1. https://stackoverflow.com/questions/2923272/how-to-convert-vector-to-array
2. https://iq.opengenus.org/convert-vector-to-array-in-cpp/