example4_with_lambdas.cpp

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#include <iostream>
#include <vector>
#include <algorithm>

int main() {
    std::vector<int> numbers = {1, 2, 3, 4, 5};

    auto square = [](int x) { return x * x; };

    std::vector<int> squares;
    std::transform(numbers.begin(), numbers.end(), std::back_inserter(squares), square);

    for (auto num : squares) {
        std::cout << num << " ";
    }
    std::cout << std::endl;

    return 0;
}