From 8198249ac5bc41f9aaef31d0df3b8f0a372f593a Mon Sep 17 00:00:00 2001
From: Matej Focko <me@mfocko.xyz>
Date: Tue, 9 Jul 2024 09:52:12 +0200
Subject: [PATCH] =?UTF-8?q?go:=20add=20=C2=AB1701.=20Average=20Waiting=20T?=
 =?UTF-8?q?ime=C2=BB?=
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Signed-off-by: Matej Focko <me@mfocko.xyz>
---
 go/average-waiting-time.go | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 go/average-waiting-time.go

diff --git a/go/average-waiting-time.go b/go/average-waiting-time.go
new file mode 100644
index 0000000..14b59d4
--- /dev/null
+++ b/go/average-waiting-time.go
@@ -0,0 +1,15 @@
+package main
+
+func averageWaitingTime(customers [][]int) float64 {
+	waitingTime := 0
+
+	idleAt := 0
+	for _, customer := range customers {
+		arrives, length := customer[0], customer[1]
+
+		idleAt = max(idleAt, arrives) + length
+		waitingTime += idleAt - arrives
+	}
+
+	return float64(waitingTime) / float64(len(customers))
+}