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| #include <iostream> | |
| #include <unordered_map> | |
| #include <random> | |
| #include <functional> | |
| #include <iterator> | |
| #include <sstream> | |
| using namespace std; | |
| enum entryType { | |
| DEAL_ENTRY_IN = 0, DEAL_ENTRY_OUT = 1, DEAL_ENTRY_INOUT = 2, DEAL_ENTRY_OUT_BY = 3 | |
| }; | |
| struct Deal { | |
| int entry; | |
| double profit; | |
| }; | |
| std::unordered_map<std::string, double> profit_loss_series_ = {{"profit_count", 0.0}, | |
| {"loss_count", 0.0}, | |
| {"profit_sum", 0.0}, | |
| {"loss_sum", 0.0}, | |
| {"current_profit_count", 0.0}, | |
| {"current_loss_count", 0.0}, | |
| {"current_profit_sum", 0.0}, | |
| {"current_loss_sum", 0.0}}; | |
| std::vector<double> create_random_data(unsigned int n, double from, double to) { | |
| std::random_device r; | |
| std::seed_seq seed{r(), r(), r(), r(), r(), r(), r(), r()}; | |
| std::mt19937 eng(seed); // a source of random data | |
| std::uniform_real_distribution<double> dist(from, to); | |
| std::vector<double> v(n); | |
| generate(begin(v), end(v), bind(dist, eng)); | |
| return v; | |
| } | |
| void calculateSeriesProfitLoss(const Deal &data) { | |
| if (data.entry == entryType::DEAL_ENTRY_OUT || data.entry == entryType::DEAL_ENTRY_OUT_BY || | |
| data.entry == entryType::DEAL_ENTRY_INOUT) { | |
| // Not accounting for 0 | |
| if (data.profit > 0) { | |
| if (profit_loss_series_["current_loss_count"] > profit_loss_series_["loss_count"]) { | |
| profit_loss_series_["loss_count"] = profit_loss_series_["current_loss_count"]; | |
| profit_loss_series_["loss_sum"] = profit_loss_series_["current_loss_sum"]; | |
| } else if (profit_loss_series_["current_loss_count"] == profit_loss_series_["loss_count"]) { | |
| if (profit_loss_series_["current_loss_sum"] > profit_loss_series_["loss_sum"]) { | |
| profit_loss_series_["loss_count"] = profit_loss_series_["current_loss_count"]; | |
| profit_loss_series_["loss_sum"] = profit_loss_series_["current_loss_sum"]; | |
| } | |
| } | |
| profit_loss_series_["current_loss_count"] = 0.0; | |
| profit_loss_series_["current_loss_sum"] = 0.0; | |
| profit_loss_series_["current_profit_count"]++; | |
| profit_loss_series_["current_profit_sum"] = profit_loss_series_["current_profit_sum"] + data.profit; | |
| } else if (data.profit < 0) { | |
| if (profit_loss_series_["current_profit_count"] > profit_loss_series_["profit_count"]) { | |
| profit_loss_series_["profit_count"] = profit_loss_series_["current_profit_count"]; | |
| profit_loss_series_["profit_sum"] = profit_loss_series_["current_profit_sum"]; | |
| } else if (profit_loss_series_["current_profit_count"] == profit_loss_series_["loss_sum"]) { | |
| if (profit_loss_series_["current_profit_count"] > profit_loss_series_["loss_sum"]) { | |
| profit_loss_series_["profit_count"] = profit_loss_series_["current_profit_count"]; | |
| profit_loss_series_["profit_sum"] = profit_loss_series_["current_profit_sum"]; | |
| } | |
| } | |
| profit_loss_series_["current_profit_count"] = 0.0; | |
| profit_loss_series_["current_profit_sum"] = 0.0; | |
| profit_loss_series_["current_loss_count"]++; | |
| profit_loss_series_["current_loss_sum"] = profit_loss_series_["current_loss_sum"] + data.profit; | |
| } | |
| } | |
| } | |
| int main() { | |
| // auto randon_vec = create_random_data(10, -10, 10); | |
| std::vector<double> randon_vec{8.04746, -6.40536, 1.72168, 1.47353, 1.99461, 4.02581, 2.32858, 5.84028, 4.61741, | |
| -3.56588}; | |
| std::stringstream output; | |
| std::copy(randon_vec.begin(), randon_vec.end(), std::ostream_iterator<double>(output, "|")); | |
| for (auto const &num :randon_vec) { | |
| calculateSeriesProfitLoss(Deal{DEAL_ENTRY_OUT, num}); | |
| cout << "---- BEGIN---" << endl; | |
| for (auto const&[key, val] : profit_loss_series_) { | |
| if (key.find("current") != std::string::npos){ // doing this to not show the current key | |
| continue; | |
| } | |
| cout << key << " " << val << endl; | |
| } | |
| cout << "---- END---\n" << endl; | |
| } | |
| cout << output.str() << endl; | |
| return 0; | |
| } |
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