Move python solutions to separate directory

2018/04/solve.py

@@ -1,115 +0,0 @@
-import re
-import sys
-
-# PART 1
-
-ACTION_RE = r"\[(\d+)-(\d+)-(\d+) (\d+):(\d+)\] (.*)\n"
-GUARD_RE  = r"Guard #(\d+) begins shift"
-
-def load_actions(filename):
-	actions = []
-	with open(filename, "r") as f:
-		for line in f:
-			match = re.fullmatch(ACTION_RE, line)
-			y, m, d, hour, minute, action = match.groups()
-			y, m, d, hour, minute = int(y), int(m), int(d), int(hour), int(minute)
-			actions.append((y, m, d, hour, minute, action))
-	return actions
-
-def calculate_guards(actions):
-	guards = {}
-
-	guard = None
-	asleep_since = None
-
-	for action in sorted(actions):
-		_, _, _, _, m, text = action
-
-		match = re.fullmatch(GUARD_RE, text)
-		if match:
-			guard = int(match.group(1))
-
-		elif text == "falls asleep":
-			asleep_since = m
-
-		elif text == "wakes up":
-			l = guards.get(guard, [])
-			guards[guard] = l
-
-			l.append((asleep_since, m))
-
-	return guards
-
-def sleeps_longest(guards):
-	sleepiest_guard = None
-	sleepy_time = -1
-
-	for guard, sleep_times in guards.items():
-		total = 0
-		for start, end in sleep_times:
-			total += end - start
-
-		if total > sleepy_time:
-			sleepiest_guard = guard
-			sleepy_time = total
-
-	return sleepiest_guard
-
-def sleepiest_minute(times):
-	counter = {}
-	for start, end in times:
-		for m in range(start, end):
-			counter[m] = counter.get(m, 0) + 1
-
-	max_minute = None
-	amount = -1
-	for m, n in sorted(counter.items()):
-		if n > amount:
-			max_minute = m
-			amount = n
-
-	return max_minute
-
-# PART 2
-
-def sleep_times(times):
-	minutes = {}
-	for start, end in times:
-		for m in range(start, end):
-			minutes[m] = minutes.get(m, 0) + 1
-	return minutes
-
-def sleepy_minutes(guards):
-	minutes = {}
-	for guard, times in guards.items():
-		for m, n in sleep_times(times).items():
-			md = minutes.get(m, {})
-			minutes[m] = md
-			md[guard] = n
-
-	sleepy_minute = m
-	sleepy_guard = None
-	sleep_time = -1
-
-	for m, md in minutes.items():
-		for guard, n in md.items():
-			if n > sleep_time:
-				sleepy_minute = m
-				sleepy_guard = guard
-				sleep_time = n
-
-	return sleepy_guard, sleepy_minute
-
-def main(filename):
-	actions = load_actions(filename)
-	guards = calculate_guards(actions)
-	print(f"Solutions for {filename}")
-	guard = sleeps_longest(guards)
-	minute = sleepiest_minute(guards[guard])
-	print(f"Part 1: {guard * minute} - Guard {guard} slept most on minute {minute}.")
-	guard_2, minute_2 = sleepy_minutes(guards)
-	print(f"Part 2: {guard_2 * minute_2} - Guard {guard_2} slept most on minute {minute_2}.")
-
-if __name__ == "__main__":
-	for filename in sys.argv[1:]:
-		main(filename)