23 lines
365 B
Go
23 lines
365 B
Go
package main
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func xorQueries(arr []int, queries [][]int) []int {
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result := make([]int, len(queries))
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// Prefix XOR
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for i := 1; i < len(arr); i++ {
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arr[i] ^= arr[i-1]
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}
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// Evaluate queries
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for i, query := range queries {
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l, r := query[0], query[1]
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if l > 0 {
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result[i] = arr[l-1] ^ arr[r]
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} else {
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result[i] = arr[r]
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}
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}
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return result
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}
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