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55 lines
1.4 KiB
Python
55 lines
1.4 KiB
Python
import re
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from collections import defaultdict
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with open("input") as f:
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lines = [n.strip() for n in f.readlines()]
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MAX_TIME = 2503
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# MAX_TIME = 1000
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def get_distance(speed, fly_time, rest_time, time_elapsed):
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cycle = fly_time + rest_time
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count_cycles, rest = divmod(time_elapsed, cycle)
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rest = min(rest, fly_time)
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distance = count_cycles * fly_time * speed + rest * speed
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return distance
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reindeers = list()
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for line in lines:
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name = line.split(" ")[0]
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[speed, fly_time, rest_time] = [int(x) for x in re.findall("[0-9]+", line)]
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reindeers.append((name, speed, fly_time, rest_time))
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# example:
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# reindeers = [("Comet", 14, 10, 127), ("Dancer", 16, 11, 162)]
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POINTS = defaultdict(int)
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for second in range(1, MAX_TIME + 1):
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max_distance = None
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leaders = []
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for reindeer in reindeers:
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name, speed, fly_time, rest_time = reindeer
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distance = get_distance(speed, fly_time, rest_time, second)
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if max_distance is None or distance > max_distance:
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max_distance = distance
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leaders = [name]
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elif distance == max_distance:
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leaders.append(name)
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for leader in leaders:
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POINTS[leader] += 1
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print("Standings:")
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for name, points in POINTS.items():
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print(f" {name.ljust(8)}: {points}")
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print()
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print("Winner points:")
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print(max(POINTS.values()))
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# 472: too low
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