52 lines
1.1 KiB
Python
52 lines
1.1 KiB
Python
def valid(num, previous):
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for i in range(0, len(previous)):
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for j in range(0, len(previous)):
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if previous[i] + previous[j] == num:
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return True
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return False
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def part1():
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file = open("input.txt")
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preamble_length = 25
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lines = [int(i) for i in file.readlines()]
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queue = []
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for i in range(0, preamble_length):
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number = lines[i]
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queue.append(number)
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for i in range(preamble_length, len(lines)):
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number = int(lines[i])
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if not valid(number, queue):
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break
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queue.pop(0)
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queue.append(number)
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print("Part 1: %d" % number)
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return number, lines
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def part2():
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number, lines = part1()
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for size in range(2, len(lines)):
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for finger in range(0, len(lines) - size):
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subset = lines[finger:(finger + size)]
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subset = [int(i) for i in subset]
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if sum(subset) == number:
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ans = min(subset) + max(subset)
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print("Part 2: %d" % ans)
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return
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if __name__ == "__main__":
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# part1()
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part2()
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