Percentile from sorted array
Review this Go function that returns the p-th percentile latency from a sorted slice (e.g. p=95 for p95).
`sorted` is ascending and non-empty; `p` is in [0, 100].
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1func percentile(sorted []float64, p int) float64 {
2 idx := (p * len(sorted)) / 100
3 return sorted[idx]
4}
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