(a, b) = (b, a b).
a n
a n
f x, y 1yx
x y g
g(x) = max{f(x, y),1yx}
x
g(x)1
ln(α)ln(x)α=1 + 5
2
f
f(34,3), f(34,15), f(34,21)
g
g(3), g(5), g(8), g(13), g(21), g(34)
(x, g(x)) 2 x30
x1
ln(α)ln(x)
n
[a1, . . . , an] [d, t1, . . . , tn]
d= (a1, . . . , an) = t1a1+··· +tnan.
a, b, m n
m n a m b
n
[a1, . . . , ak] [n1, . . . , nk]ni
ainii
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