From 5307e7ef8583f8f1cc44f25e9854b7bd1dea6d2c Mon Sep 17 00:00:00 2001
From: Matej Focko <me@mfocko.xyz>
Date: Sat, 1 Jun 2024 23:49:40 +0200
Subject: [PATCH] =?UTF-8?q?swift:=20add=20=C2=AB724.=20Find=20Pivot=20Inde?=
 =?UTF-8?q?x=C2=BB?=
MIME-Version: 1.0
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Signed-off-by: Matej Focko <me@mfocko.xyz>
---
 swift/find-pivot-index.swift | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 swift/find-pivot-index.swift

diff --git a/swift/find-pivot-index.swift b/swift/find-pivot-index.swift
new file mode 100644
index 0000000..4987c02
--- /dev/null
+++ b/swift/find-pivot-index.swift
@@ -0,0 +1,18 @@
+class Solution {
+    func pivotIndex(_ nums: [Int]) -> Int {
+        var fromLeft = 0
+        var fromRight = nums.reduce(0, +)
+
+        for (i, x) in nums.enumerated() {
+            fromRight -= x
+
+            if fromLeft == fromRight {
+                return i
+            }
+
+            fromLeft += x
+        }
+
+        return -1
+    }
+}