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

void stress_test() {
    std::cout << "Starting computational task..." << std::endl;
    
    auto data = std::make_unique<std::vector<int>>(1000000);
    std::iota(data->begin(), data->end(), 1);
    
    long long sum = 0;
    for (int i : *data) {
        sum += i;
    }
    
    std::cout << "Sum calculated: " << sum << std::endl;
}

int main() {
    stress_test();
    return 0;
}