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rob256rob256
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Adding day 4
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‎python3/day_4/__init__.py‎

Whitespace-only changes.

‎python3/day_4/day_4_part_1.py‎

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from collections import defaultdict
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from operator import itemgetter
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def get_answer(input_text: str) -> int:
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sorted_input = sorted(input_text.splitlines())
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current_guard_id = 0
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guard_asleep_total = defaultdict(int)
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guard_minute_sleep = {}
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sleeping_minute = 0
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for log in sorted_input:
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parts = log.split()
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minute = int(parts[1][3:-1])
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if parts[2] == 'Guard':
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current_guard_id = int(parts[3][1:])
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elif parts[2] == 'falls':
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sleeping_minute = minute
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elif parts[2] == 'wakes':
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sleeping_time = minute - sleeping_minute
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guard_asleep_total[current_guard_id] += sleeping_time
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if current_guard_id not in guard_minute_sleep:
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guard_minute_sleep[current_guard_id] = defaultdict(int)
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for x in range(sleeping_time):
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guard_minute_sleep[current_guard_id][sleeping_minute + x] += 1
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print(guard_asleep_total)
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print(guard_minute_sleep)
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sorted_guard_asleep_total = sorted(guard_asleep_total.items(), key=itemgetter(1), reverse=True)
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most_sleepy_guard = sorted_guard_asleep_total[0][0]
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sorted_guard_minute_sleep = sorted(guard_minute_sleep[most_sleepy_guard].items(), key=itemgetter(1), reverse=True)
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max_minute = sorted_guard_minute_sleep[0][0]
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return most_sleepy_guard * max_minute
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def main():
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with open('input.txt') as input_file:
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input_text = input_file.read().rstrip('\n')
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print(get_answer(input_text))
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if __name__ == '__main__':
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main()

‎python3/day_4/day_4_part_2.py‎

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from collections import defaultdict
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from operator import itemgetter
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def get_answer(input_text: str) -> int:
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sorted_input = sorted(input_text.splitlines())
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current_guard_id = 0
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guard_asleep_total = defaultdict(int)
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guard_minute_sleep = {}
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guard_max_minutes = defaultdict(int)
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sleeping_minute = 0
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for log in sorted_input:
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parts = log.split()
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minute = int(parts[1][3:-1])
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if parts[2] == 'Guard':
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current_guard_id = int(parts[3][1:])
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elif parts[2] == 'falls':
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sleeping_minute = minute
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elif parts[2] == 'wakes':
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sleeping_time = minute - sleeping_minute
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guard_asleep_total[current_guard_id] += sleeping_time
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if current_guard_id not in guard_minute_sleep:
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guard_minute_sleep[current_guard_id] = defaultdict(int)
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for x in range(sleeping_time):
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guard_minute_sleep[current_guard_id][sleeping_minute + x] += 1
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guard_max_minutes[current_guard_id] = max(guard_max_minutes[current_guard_id], guard_minute_sleep[current_guard_id][sleeping_minute + x])
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sorted_guard_asleep_max_minutes = sorted(guard_max_minutes.items(), key=itemgetter(1), reverse=True)
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most_sleepy_guard = sorted_guard_asleep_max_minutes[0][0]
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sorted_guard_minute_sleep = sorted(guard_minute_sleep[most_sleepy_guard].items(), key=itemgetter(1), reverse=True)
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max_minute = sorted_guard_minute_sleep[0][0]
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return most_sleepy_guard * max_minute
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def main():
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with open('input.txt') as input_file:
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input_text = input_file.read().rstrip('\n')
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print(get_answer(input_text))
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if __name__ == '__main__':
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main()

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