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hyperneutrino/day-10.py

Created December 10, 2020 05:26
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AOC 2020 10 2
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day-10.py
a = lines(int)
a.sort()
a.append(max(a) + 3)
b = [0] * (max(a) + 1)
b[0] = 1
for i in a:
b[i] = gi(b, i - 1) + gi(b, i - 2) + gi(b, i - 3)
print(b[-1])
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