example1_basic_usage.cpp

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#include <iostream>
#include <vector>
#include <numeric>

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

    // Sum of all elements
    int sum = std::accumulate(numbers.begin(), numbers.end(), 0);
    std::cout << "Sum: " << sum << std::endl;

    // Product of all elements
    int product = std::accumulate(numbers.begin(), numbers.end(), 1, std::multiplies<int>());
    std::cout << "Product: " << product << std::endl;

    return 0;
}