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Problem 721


Problem 721


High powers of irrational numbers

Given is the function f(a,n)=(a:+a:)n.
. denotes the floor function and . denotes the ceiling function.
f(5,2)=27 and f(5,5)=3935.

G(n)=a=1nf(a,a2).
G(1000)mod999 999 937=163861845.
Find G(5 000 000). Give your answer modulo 999 999 937.


无理数的高次幂

考虑函数f(a,n)=(a:+a:)n,其中.代表下取整函数,.代表上取整函数。
已知f(5,2)=27f(5,5)=3935

G(n)=a=1nf(a,a2)
已知G(1000)mod999 999 937=163861845
G(5 000 000),并将你的答案对999 999 937取余。


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