Created
May 16, 2023 04:17
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| import math | |
| def decompose(n): | |
| res = None | |
| ss = [] | |
| def rec(squared, next_number_cannot_be_larger_than): | |
| nonlocal res | |
| if res: return | |
| if squared == 0: | |
| res = ss[::-1] | |
| return | |
| start_cond = min(int(math.sqrt(squared)), next_number_cannot_be_larger_than) | |
| for i in range(start_cond, 0, -1): | |
| if res: return | |
| sq2 = i**2 | |
| if squared >= sq2: | |
| ss.append(i) | |
| rec(squared - sq2, i-1) | |
| ss.pop() | |
| rec(n**2, n-1) | |
| return res if res else None |
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