int main()
{
std::istream_iterator<Sales_item> in_iter(std::cin), in_eof;
std::vector<Sales_item> vec;
while (in_iter != in_eof)
vec.push_back(*in_iter++);
sort(vec.begin(), vec.end(), compareIsbn);
for (auto beg = vec.cbegin(), end = beg; beg != vec.cend(); beg = end) {
end = find_if(beg, vec.cend(), [beg](const Sales_item &item){ return item.isbn() != beg->isbn(); });
std::cout << std::accumulate(beg, end, Sales_item(beg->isbn())) << std::endl;
}
}
int main() {
Sales_item item; // call the item argument in Sales_item.h
// prompt the user for the desired information to enter
// std::string is used for long strings that run to multiple lines
std::string my_phrase = "Input ISBN, number of copies sold, and"
" price sold and when complete enter C-c";
std::cout << my_phrase << std::endl;
/*
* defined while to allow users to continually enter in items until stopped
* by C-c
*/
for (int i = 0; i >= 0; ++i) { // index the item number for the count
while (std::cin >> item) {
if (item != Sales_item()) {
// if item is not empty add one for the next item number
i += 1;
std::cout << "\t" << " " << " " << "\tISBN,\t\t# sold, price,"
" avg price" << std::endl;
std::cout << "Item " << i << " is " << item << std::endl;
}
}
}
return 0;
}
