#include <iostream>
#include <vector>
using std::cout;
using std::endl;
using std::vector;
template <typename Array>
double vectorSum(Array a, long count) { // Array can be a pointer or an iterator
double sum = 0.0;
for (long i = 0; i<count; ++i)
sum += a[i];
return sum;
}
int main() {
double temperature[] = { 10.5, 20.0, 8.5 };
cout << "array vectorSum = "
<< vectorSum(temperature, sizeof temperature/sizeof temperature[0])
<< endl;
return 0;
}
/*
array vectorSum = 39
*/
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