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| #include <iostream>
#include <fstream>
#include <string>
#include <sstream>
#include <map>
#include <vector>
#include <algorithm>
#include <iterator>
class Team {
public:
Team(const std::string &name) : name_(name) {}
const std::string &getName() const { return name_; }
private:
std::string name_;
};
class GameResult {
public:
GameResult()
: a_(""), b_(""), scoreA_(0), scoreB_(0) {}
GameResult(const Team &a, const Team &b, int scoreA, int scoreB)
: a_(a), b_(b), scoreA_(scoreA), scoreB_(scoreB) {}
const Team &getTeamA() const { return a_; }
const Team &getTeamB() const { return b_; }
int getScoreA() const { return scoreA_; }
int getScoreB() const { return scoreB_; }
bool isValid() const {
return getTeamA().getName().size() > 0 && getTeamB().getName().size() > 0;
}
bool isDraw() const { return scoreA_ == scoreB_; }
const Team &getWinner() const { return (scoreA_ >= scoreB_) ? a_ : b_; }
friend std::istream &operator>>(std::istream &stream, GameResult &gameResult) {
std::string line;
getline(stream, line);
std::string buffer;
std::istringstream lineBuffer(line);
getline(lineBuffer, buffer, ';');
gameResult.a_ = Team(buffer);
getline(lineBuffer, buffer, ';');
gameResult.b_ = Team(buffer);
getline(lineBuffer, buffer, ';');
std::stringstream(buffer) >> gameResult.scoreA_;
getline(lineBuffer, buffer, ';');
std::stringstream(buffer) >> gameResult.scoreB_;
return stream;
}
private:
Team a_;
Team b_;
int scoreA_;
int scoreB_;
};
bool operator<(const Team &a, const Team &b) {
return a.getName() < b.getName();
}
std::ostream &operator<<(std::ostream &stream, const Team &team) {
return stream << team.getName();
}
std::ostream &operator<<(std::ostream &stream, const GameResult &result) {
return stream << result.getTeamA() << " - " << result.getTeamB() <<
" : " << result.getScoreA() << " - " << result.getScoreB();
}
std::ostream &operator<<(std::ostream &stream,
const std::pair<Team, int> &result) {
return stream << result.first << ": " << result.second;
}
bool operator<(const std::pair<Team, int> &a, const std::pair<Team, int> &b) {
return a.second < b.second;
}
int main(int argc, char *argv[]) {
std::ifstream file("имя файла с данными");
std::map<Team, int> teamsPlayed;
while (file.good()) {
GameResult result;
file >> result;
if (result.isValid()) {
std::cout << result << std::endl;
if (result.isDraw()) {
teamsPlayed[result.getTeamA()] += 1;
teamsPlayed[result.getTeamB()] += 1;
} else {
teamsPlayed[result.getWinner()] += 3;
}
}
}
std::vector<std::pair<Team, int> > results;
std::copy(teamsPlayed.begin(), teamsPlayed.end(),
std::back_inserter(results));
std::sort(results.begin(), results.end());
std::copy(results.begin(), results.end(),
std::ostream_iterator<std::pair<Team, int> >(std::cout, "\n"));
}; |
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Сообщение было отмечено Alex1000 как решение
