116 lines
2.3 KiB
C++
116 lines
2.3 KiB
C++
#include <utility>
|
|
#include <iostream>
|
|
#include <fstream>
|
|
#include <vector>
|
|
|
|
|
|
enum class Play : int {
|
|
ROCK = 1,
|
|
PAPER = 2,
|
|
SCISSORS = 3,
|
|
};
|
|
|
|
enum class Result : char {
|
|
WIN = 'W',
|
|
LOSS = 'L',
|
|
TIE = 'T',
|
|
};
|
|
|
|
|
|
typedef std::pair<Play, Result> game_t;
|
|
|
|
|
|
Play char_to_play(char c) {
|
|
switch(c) {
|
|
case 'A':
|
|
return Play::ROCK;
|
|
case 'B':
|
|
return Play::PAPER;
|
|
case 'C':
|
|
return Play::SCISSORS;
|
|
}
|
|
throw;
|
|
}
|
|
|
|
Result char_to_result(char c) {
|
|
switch(c) {
|
|
case 'X':
|
|
return Result::LOSS;
|
|
case 'Y':
|
|
return Result::TIE;
|
|
case 'Z':
|
|
return Result::WIN;
|
|
}
|
|
throw;
|
|
}
|
|
|
|
Play cheat(Play opponent, Result result) {
|
|
if(result == Result::WIN) {
|
|
if(opponent == Play::ROCK) return Play::PAPER;
|
|
if(opponent == Play::PAPER) return Play::SCISSORS;
|
|
if(opponent == Play::SCISSORS) return Play::ROCK;
|
|
} else if(result == Result::LOSS) {
|
|
if(opponent == Play::ROCK) return Play::SCISSORS;
|
|
if(opponent == Play::PAPER) return Play::ROCK;
|
|
if(opponent == Play::SCISSORS) return Play::PAPER;
|
|
} else {
|
|
return opponent;
|
|
}
|
|
throw;
|
|
}
|
|
|
|
|
|
std::vector<game_t> read_file(std::string path) {
|
|
std::fstream file;
|
|
file.open(path);
|
|
|
|
std::string line;
|
|
std::vector<game_t> games;
|
|
while(file) {
|
|
std::getline(file, line);
|
|
if(line == "")
|
|
break;
|
|
|
|
auto opponent = char_to_play(line[0]);
|
|
auto mine = char_to_result(line[2]);
|
|
|
|
games.push_back(std::make_pair(opponent, mine));
|
|
}
|
|
|
|
return games;
|
|
}
|
|
|
|
|
|
int score_game(Play play, Result result) {
|
|
int score = 0;
|
|
if(result == Result::WIN)
|
|
score = 6;
|
|
else if(result == Result::TIE)
|
|
score = 3;
|
|
|
|
score += (int)play;
|
|
|
|
return score;
|
|
}
|
|
|
|
|
|
int main(int argc, char *argv[]) {
|
|
auto games = read_file(argv[1]);
|
|
|
|
int total = 0;
|
|
|
|
for(auto game : games) {
|
|
auto [opponent, result] = game;
|
|
|
|
auto me = cheat(opponent, result);
|
|
|
|
std::cout << (int)opponent << " " << (int)me << std::endl;
|
|
int score = score_game(me, result);
|
|
std::cout << score << std::endl;
|
|
total += score;
|
|
}
|
|
|
|
std::cout << total << std::endl;
|
|
|
|
return 0;
|
|
}
|