Casting out nines: Difference between revisions
Content added Content deleted
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fn cast_out(base int, start int, end int) []int { |
fn cast_out(base int, start int, end int) []int { |
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mut b := base - 1 |
mut b := []int{len: base - 1, init: index} |
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mut |
mut result := []int{} |
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mut |
mut x, mut k := start / (base - 1), 0 |
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mut ran := b.filter(it % b.len == (it * it) % b.len) |
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for idx in 0..b { |
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if idx % b == (idx * idx) % b {ran << idx} |
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} |
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for { |
for { |
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for n in ran { |
for n in ran { |
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k = b * x + n |
k = b.len * x + n |
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if k < start {continue} |
if k < start {continue} |
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if k > end {return result} |
if k > end {return result} |
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| Line 2,118: | Line 2,116: | ||
} |
} |
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return result |
return result |
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} |
} |
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</syntaxhighlight> |
</syntaxhighlight> |
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