#include <iostream>
#include <vector>
#include <numeric>
int main(void) {
std::vector<int> amicables =
{220, 284,
1184, 1210,
2620, 2924,
5020, 5564,
6232, 6368};
std::cout << std::accumulate(amicables.begin(), amicables.end(), 0, [](int acc, int i) {
return acc + i;
}) << std::endl;
return 0;
}
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