c-resources/CPlusPlus20ForProgrammers-master/examples/ch06/fig06_11.cpp

// fig06_11.cpp
// Compute the sum of the elements of an array using accumulate.
#include <array>
#include <iostream>
#include <numeric>

int main() {
   constexpr std::array integers{10, 20, 30, 40};
   std::cout << "Total of array elements "<< std::accumulate(std::begin(integers), std::end(integers), 0) <<"\n";
   std::cout << "Total of array elements "<< std::accumulate(integers.cbegin(), integers.cend(), 0) <<"\n";
   std::cout << "1 to 2 of array elements "<< std::accumulate(&integers[1], &integers[3], 0) <<"\n";
}

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