Урок 2 Зови по имени 2 ч

kutuzzzov

Mar 1st, 2023

1,065

Never

Add comment

Not a member of Pastebin yet? Sign Up, it unlocks many cool features!

C++ 1.45 KB | None | 0 0

raw download clone embed print report

#include <algorithm>
#include <fstream>
#include <iostream>
#include <vector>
// не меняйте файлы xml.h и xml.cpp
#include "xml.h"
using namespace std;
struct Spending {
string category;
int amount;
};
int CalculateTotalSpendings(const vector<Spending>& spendings) {
int result = 0;
for (const Spending& s : spendings) {
result += s.amount;
}
return result;
}
string FindMostExpensiveCategory(const vector<Spending>& spendings) {
auto compare_by_amount = [](const Spending& lhs, const Spending& rhs) {
return lhs.amount < rhs.amount;
};
return max_element(begin(spendings), end(spendings), compare_by_amount)->category;
}
vector<Spending> LoadFromXml(istream& input) {
// место для вашей реализации
// пример корректного XML-документа в условии
std::vector<Spending> result;
auto knot = Load(input).GetRoot().Children();
for (const auto& data : knot) {
int amount = data.AttributeValue<int>("amount");
std::string category = data.AttributeValue<std::string>("category");
result.push_back({ category, amount });
}
return result;
}
int main() {
const vector<Spending> spendings = LoadFromXml(cin);
cout << "Total "sv << CalculateTotalSpendings(spendings) << '\n';
cout << "Most expensive is "sv << FindMostExpensiveCategory(spendings) << '\n';
}

Add Comment

Please, Sign In to add comment