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#pragma once
#include <vector>
#include <string>
#include <string_view>
#include <optional>
#include "process.h"
using namespace std;
class Referee {
Process proc;
bool isEnd = false;
vector<int> scores;
void readScores();
public:
Referee(const string_view execname, const vector<string> &players);
~Referee();
// player: 0 = first player, 1 = second player
bool moveValid(int player, const string_view line);
bool gameEnded();
optional<vector<int>> getScores();
};
/*
Referee protocol:
At startup, the referee receives a line containing the number of players in the
game, followed by that number of lines containing the players' names.
Then, it repeatedly receives a line on stdin of the form '<player> <line>',
where <player> is the index of the player in the game (0 is first, 1 is second,
etc.) and <line> is the line as written out by the player. The referee should
then write a line to stdout that is equal to either 'valid', 'invalid', or
'valid end'. 'valid' and 'invalid' indicate a valid and invalid move, while
'valid end' indicates a valid move that ends the game. After writing the line
'valid end', the referee should write a line containing as many integers
(separated by spaces) as there are players, giving their scores at the end of
the game.
*/
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