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#include <iostream>
#include <string>
#include <vector>
using namespace std;
//code
auto accumulate(auto const &container, auto function)
{
auto accu = decltype(container[0]){};
for (auto &value: container)
accu = function(accu, value);
return accu;
}
auto lambda = [](auto lhs, auto rhs)
{
return lhs + rhs;
};
int main()
{
vector<int> values = {1, 2, 3, 4, 5};
vector<string> text = {"a", "b", "c", "d", "e"};
cout << accumulate(values, lambda) << '\n' <<
accumulate(text, lambda) << '\n';
}
//=
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