Answers for "how to extend a vector in cpp"

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c++ vector extend vector

std::vector<int> a = {1, 2};
std::vector<int> b = {3, 4, 5};
a.insert(a.end(), b.begin(), b.end()); // a = {1, 2, 3, 4, 5}
Posted by: Guest on January-22-2021

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