40 lines
709 B
Go
40 lines
709 B
Go
package main
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type Range struct {
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min, max int
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}
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func RangeFromArray(array []int) Range {
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return Range{
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min: array[0],
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max: array[len(array)-1],
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}
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}
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func (r *Range) Update(subarray []int) {
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r.min = min(r.min, subarray[0])
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r.max = max(r.max, subarray[len(subarray)-1])
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}
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func abs(x int) int {
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return max(-x, x)
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}
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func RangeMaxDistance(x, y Range) int {
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return max(
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abs(x.min-y.max),
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abs(y.min-x.max),
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)
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}
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func maxDistance(arrays [][]int) int {
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foundDistance := 0
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extremes := RangeFromArray(arrays[0])
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for i := 1; i < len(arrays); i++ {
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foundDistance = max(foundDistance, RangeMaxDistance(extremes, RangeFromArray(arrays[i])))
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extremes.Update(arrays[i])
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}
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return foundDistance
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}
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