17 lines
200 B
Go
17 lines
200 B
Go
package helpers
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func CountMatches(a, b []int) int {
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m := make(map[int]bool)
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for _, n := range b {
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m[n] = true
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}
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match := 0
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for _, n := range a {
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if m[n] {
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match++
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}
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}
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return match
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}
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