#include <vector> int main() { std::vector<int> myVector = { 666, 1337, 420 }; size_t size = myVector.size(); // 3 myVector.push_back(399); // Add 399 to the end of the vector size = myVector.size(); // 4 }
// create a vector with 20 integer elements std::vector<int> arr(20); for(int x = 0; x < 20; ++x) arr[x] = x;
#include <vector> auto n = 20 // create a vector with n=20 integer elements std::vector<int> arr(n);