kubo39
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kubo39's blog
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D言語
import std.stdio : writeln; import std.conv : to; class Fib(T) if (__traits(isIntegral, T)) { T opIndex(T n) const pure nothrow @trusted @nogc in { assert(n > 0); } body { T y; { T x = 1; foreach (_; 0..n) (((x = n = x) += y) ? y : y) = n; } return y; } } version(unittest) {} else void main() { (new…
190
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Hatena Blog
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2015-03-25 13:09:29
フィボナッチ
rich
https://kubo39.hatenablog.com/entry/2015/03/25/130929
1.0
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