#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <algorithm>


int main(int argc, char *argv[]) {
    if(argc != 2) {
        std::cerr << "Usage " << argv[0] << " <input>" << std::endl;
        return -1;
    }

    std::ifstream file;
    file.open(argv[1]);

    std::string line;
    std::vector<int> groups;
    int sum = 0;
    while(file) {
        std::getline(file, line);
        std::cout << "got " << line << std::endl;

        if(line == "") {
            if(sum > 0)
                groups.push_back(sum);
            sum = 0;
        } else {
            sum += std::stoi(line);
        }
    }

    for(int sum : groups) {
        std::cout << "sum " << sum << std::endl;
    }
    std::cout << "Parsed " << groups.size() << " groups" << std::endl;

    std::cout << "Max is " << *std::max_element(groups.begin(), groups.end()) << std::endl;

    return 0;
}