26 lines
822 B
Python
26 lines
822 B
Python
elves = []
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count = 0
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def inrange(lb, ub, check):
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"""Returns true iff check is inclusive in-between lb and ub."""
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return check >= lb and check <= ub
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with open("input.txt", "r") as f:
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for line in f.readlines():
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line = line.strip("\n")
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# Some python magic to split out the strings and convert them to integers
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pair = [x.split("-") for x in line.split(",")]
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pair = [[int(y) for y in x] for x in pair]
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elves.append(pair)
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# Elves is now a list of list of lists.
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for elf in elves:
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lb1 = elf[0][0]
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lb2 = elf[1][0]
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ub1 = elf[0][1]
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ub2 = elf[1][1]
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if (inrange(lb1, ub1, ub2) or
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inrange(lb1, ub1, lb2) or
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inrange(lb2, ub2, ub1) or
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inrange(lb2, ub2, lb1)):
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count += 1
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print(count) |