Created
October 14, 2022 15:29
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| cache = {1: 1} | |
| def collatz_count(n): | |
| if n not in cache: | |
| if n % 2 == 0: | |
| cache[n] = 1 + collatz_count(n // 2) | |
| else: | |
| cache[n] = 1 + collatz_count(3 * n + 1) | |
| return cache[n] |
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