problem22

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

std::vector<std::string>& split(const std::string& str, char delimeter, std::vector<std::string>& vect) {
    std::stringstream ss(str);
    std::string item;
    while (std::getline(ss, item, delimeter)) {
        vect.push_back(item);
    }
    return vect;
}
int main() {
    std::ifstream in("plane22.txt");
    std::string str;
    std::vector<std::string> holder;
    std::vector<double> averages;
    double total = 0;
    while(std::getline(in,str)) {
        std::replace_if(str.begin(),str.end(),[](char c) {return (c == '|' || c == ',');},' ');
        split(str, ' ', holder);
    }
    for(size_t i = 1; i < holder.size()-2; i+=4) {
        double y1 = std::stod(holder[i]);
        double y2 = std::stod(holder[i+2]);
        averages.push_back((y1+y2)/2);
    }
    for(auto& i : averages)
        total += i;
    std::cout << total;
}