Problem 44381. Cache me Outside

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Solution 1310594

Submitted on 23 Oct 2017 by Roman Müller-Hainbach

Size: 10
Leading solution size is 8.

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Test Suite

Test	Status	Code Input and Output
1	Pass	memfib = memoize_this(@fib); [seq, n1] = fib(1, memfib); assert(n1 == 1); [seq, n2] = fib(20, memfib); assert(n2 - n1 == 19); [seq, n3] = fib(100, memfib); assert(n3 - n2 == 81); function [seq, n] = fib(n, memfib) persistent num if isempty(num) num = 1; else num = num + 1; end if n < 3 seq = ones(1, n); else seq = memfib(n-1, memfib); seq = [seq, seq(end-1) + seq(end)]; end n = num; end

Test

Status

Code Input and Output

Pass

memfib = memoize_this(@fib); [seq, n1] = fib(1, memfib); assert(n1 == 1); [seq, n2] = fib(20, memfib); assert(n2 - n1 == 19); [seq, n3] = fib(100, memfib); assert(n3 - n2 == 81); function [seq, n] = fib(n, memfib) persistent num if isempty(num) num = 1; else num = num + 1; end if n < 3 seq = ones(1, n); else seq = memfib(n-1, memfib); seq = [seq, seq(end-1) + seq(end)]; end n = num; end

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