38 lines
671 B
Go
38 lines
671 B
Go
// Package q2273 implements a solution for https://leetcode.com/problems/find-resultant-array-after-removing-anagrams/
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package q2273
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var buf = [26]int{}
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var bufZ = [26]int{}
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func isAnagram(a, b string) bool {
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if len(a) != len(b) {
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return false
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}
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seen := buf[:]
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copy(seen, bufZ[:])
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for i := range len(a) {
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c := a[i] - 'a'
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seen[c]++
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}
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for i := range len(b) {
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c := b[i] - 'a'
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seen[c]--
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if seen[c] < 0 {
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return false
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}
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}
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return true
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}
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func removeAnagrams(words []string) []string {
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p := 0
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for i := 1; i < len(words); i++ {
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if !isAnagram(words[p], words[i]) {
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p++
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words[p] = words[i]
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}
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}
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return words[:p+1]
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}
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var _ = removeAnagrams
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