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Iterative fibonacci result is incorrect #20

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opened 2025-08-21 21:04:08 +00:00 by ed · 1 comment

ed commented

2025-08-21 21:04:08 +00:00

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The following assertion fails:

main() {
	assert fib(10) == 55
}

fib(n int) -> int {
	b := 0
	c := 1

	loop 0..n {
		a := b
		b = c
		c = a + b
	}

	return b
}

The returned value is 1024 (2^10) instead of 55.

The following assertion fails: ``` main() { assert fib(10) == 55 } fib(n int) -> int { b := 0 c := 1 loop 0..n { a := b b = c c = a + b } return b } ``` The returned value is 1024 (2^10) instead of 55.

ed added the

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2025-08-21 21:04:08 +00:00

ed self-assigned this

2025-08-21 21:07:55 +00:00

ed commented

2025-08-22 05:43:46 +00:00

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Owner

Fixed in 87aa424d77.

Fixed in https://git.urbach.dev/cli/q/commit/87aa424d77701084de50d68bc5cc85b8ba4f58ea.

ed closed this issue

2025-08-22 05:43:46 +00:00

ed added spent time

2025-08-29 07:49:02 +00:00

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cli/q#20

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