松岡 航太郎
Decomposition(a[X]) roundoffset = 1 << (32 - l * Bgbit - 1) for i from 1 to l for j from 0 to N-1 âᵢⱼ=(((aⱼ+roundoffset)>>(32-Bgbit*i))&(Bg-1)) for i from l to 1 for j from 0 to N-1 if âᵢⱼ ≥ Bg/2 āᵢⱼ = âᵢⱼ - Bg â₍ᵢ₋₁₎ⱼ += 1 else āᵢⱼ = âᵢⱼ return 𝐚̄[X]
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