declare vector of size n in c++
#include <vector>
auto n = 20
// create a vector with n=20 integer elements
std::vector<int> arr(n);declare vector of size n in c++
#include <vector>
auto n = 20
// create a vector with n=20 integer elements
std::vector<int> arr(n);c++ vector initialize size
vector<Entry> array(1000);//size of 1000Copyright © 2021 Codeinu
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