#include <iostream>
#include <vector>
#include <array>
 
int main()
{
std::vector<float> v;
for( auto f : { 1.0, 2.0, 3.0 } ) v.push_back(f);
std::cout << sizeof(v) << "-" << v.capacity() << std::endl;
std::cout << sizeof(std::array<float,3>) << std::endl;
}

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