From e1f6309dd3605ba194a4afa1977d497fb8edc9ca Mon Sep 17 00:00:00 2001
From: liyongjun1 <yogilee@vip.qq.com>
Date: Thu, 20 May 2021 11:40:03 +0800
Subject: [PATCH] =?UTF-8?q?Update=203.=20=E6=95=B0=E7=BB=84=E4=B8=AD?=
 =?UTF-8?q?=E9=87=8D=E5=A4=8D=E7=9A=84=E6=95=B0=E5=AD=97.md?=
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感觉第39行的 swap没有存在的意义，因为执行到此处说明 i == nums[i]，那么同一个位置交换前和交换后是没有什么变化的(swap(nums,  n, n))
---
 notes/3. 数组中重复的数字.md | 1 -
 1 file changed, 1 deletion(-)

diff --git a/notes/3. 数组中重复的数字.md b/notes/3. 数组中重复的数字.md
index babab09d..4469fccf 100644
--- a/notes/3. 数组中重复的数字.md	
+++ b/notes/3. 数组中重复的数字.md	
@@ -36,7 +36,6 @@ public int duplicate(int[] nums) {
             }
             swap(nums, i, nums[i]);
         }
-        swap(nums, i, nums[i]);
     }
     return -1;
 }