#include #include #include #include auto parse_numbers(std::string const& s) -> int { static const std::regex re("-?\\d+"); std::string left = s; std::smatch m; int acc = 0; while (std::regex_search(left, m, re)) { acc += std::stoi(m.str(0)); left = m.suffix(); } return acc; } auto main() -> int { int acc = 0; for (std::string line; std::getline(std::cin, line);) { acc += parse_numbers(line); } std::cout << "Accumulated value: " << acc << "\n"; return 0; }