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| // Sort the nums first, if the previous number is same and we already used it the skip | ||
| // Time complextity: O(N! * N(new list)) N: number of nums | ||
| // Space complextity: O(N!) | ||
| // Time spend: 04:28 |
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これも色々書き方ありそうです。
https://more-itertools.readthedocs.io/en/stable/_modules/more_itertools/more.html#distinct_permutations
これとか読んでおきますか。
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https://leetcode.com/problems/permutations-ii/description/