AOC 22

AOC22.md

AOC 22

Sharing my code for AOC

aoc22_day1.py

# python3 aoc22_day1.py
# by Roger Allen

from itertools import groupby

# Day 1

with open('aoc22_input01.txt','r') as f:
    in1 = f.read()

# how many calories does the elf with the most calories carry?

elf_calories = [list(g) for k,g in groupby(in1.split('\n'),lambda x: x!='') if k == True]
elf_calories = [[int(x) for x in g] for g in elf_calories]
sum_elf_calories = [sum(g) for g in elf_calories]
max_elf_calories = max(sum_elf_calories)

print(max_elf_calories)

sum_elf_calories.sort()

# how many calories do the top 3 elves carry?

print(sum(sum_elf_calories[-3:]))

aoc22_day2.py

# python3 aoc22_day2.py

with open('aoc22_input02.txt','r') as f:
    encrypted_strategy_guide = f.read()

# ----------------------------------------------------------------------
# Part 1

decoder_m = {
    'A': 'rock',
    'X': 'rock',
    'B': 'paper',
    'Y': 'paper',
    'C': 'scissors',
    'Z': 'scissors'
}
shape_score_m = {
    'rock': 1, 'paper': 2, 'scissors': 3
}
game_score_m = {
    ('rock','rock'):         3,
    ('rock','paper'):        6,
    ('rock','scissors'):     0,
    ('paper','rock'):        0,
    ('paper','paper'):       3,
    ('paper','scissors'):    6,
    ('scissors','rock'):     6,
    ('scissors','paper'):    0,
    ('scissors','scissors'): 3
}
class Game:
    def __init__(self,oppo_choice,your_choice):
        self.oppo_choice = decoder_m[oppo_choice]
        self.your_choice = decoder_m[your_choice]
        self.score = shape_score_m[self.your_choice] + game_score_m[(self.oppo_choice, self.your_choice)]

# Testing

print(
    Game('A','Y').score == 8, 
    Game('B','X').score == 1, 
    Game('C','Z').score == 6, 
    Game('A','Y').score + Game('B','X').score + Game('C','Z').score == 15)

# What is total score?

game_scores = [Game(*x.split()).score for x in encrypted_strategy_guide.split('\n')]
total_score = sum(game_scores)
print(total_score)

# ----------------------------------------------------------------------
# Part 2

# X means you need to lose, Y means you need to end the round in a draw, and Z means you need to win.
decoder2_m = {
    'A': 'rock',
    'X': 'lose',
    'B': 'paper',
    'Y': 'draw',
    'C': 'scissors',
    'Z': 'win'
}
shape_score2_m = {
    'rock': 1, 'paper': 2, 'scissors': 3
}
game_score2_m = {
    ('rock','lose'):        0 + shape_score2_m['scissors'],
    ('rock','draw'):        3 + shape_score2_m['rock'],
    ('rock','win'):         6 + shape_score2_m['paper'],
    ('paper','lose'):       0 + shape_score2_m['rock'],
    ('paper','draw'):       3 + shape_score2_m['paper'],
    ('paper','win'):        6 + shape_score2_m['scissors'],
    ('scissors','lose'):    0 + shape_score2_m['paper'],
    ('scissors','draw'):    3 + shape_score2_m['scissors'],
    ('scissors','win'):     6 + shape_score2_m['rock']
}
class Game2:
    def __init__(self,oppo_choice,your_choice):
        self.oppo_choice = decoder2_m[oppo_choice]
        self.your_choice = decoder2_m[your_choice]
        self.score = game_score2_m[(self.oppo_choice, self.your_choice)]

# Testing
print(
    Game2('A','Y').score == 4, 
    Game2('B','X').score == 1, 
    Game2('C','Z').score == 7, 
    Game2('A','Y').score + Game2('B','X').score + Game2('C','Z').score == 12)

# what is total score?
game_scores = [Game2(*x.split()).score for x in encrypted_strategy_guide.split('\n')]
total_score = sum(game_scores)
print(total_score)