From e5d5f4ef33cb8847e3ae2373e96f5ac86d0d9978 Mon Sep 17 00:00:00 2001
From: Omooo <869759698@qq.com>
Date: Tue, 16 Jun 2020 08:19:57 +0800
Subject: [PATCH] =?UTF-8?q?Update=20=E6=95=B0=E7=BB=84=E7=9B=B8=E5=85=B3.m?=
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---
 blogs/Algorithm/剑指 Offer/数组相关.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/blogs/Algorithm/剑指 Offer/数组相关.md b/blogs/Algorithm/剑指 Offer/数组相关.md
index a8763e6..8cbe7dd 100644
--- a/blogs/Algorithm/剑指 Offer/数组相关.md	
+++ b/blogs/Algorithm/剑指 Offer/数组相关.md	
@@ -2,6 +2,21 @@
 数组相关
 ---
 
+[03. 数组中重复的数字](https://leetcode-cn.com/problems/shu-zu-zhong-zhong-fu-de-shu-zi-lcof/)
+
+```java
+class Solution {
+    public int findRepeatNumber(int[] nums) {
+        int[] res = new int[nums.length];
+        for (int i : nums) {
+            res[i]++;
+            if (res[i] > 1) return i;
+        }
+        return -1;
+    }
+}
+```
+
 [04. 二维数组中的查找](https://leetcode-cn.com/problems/er-wei-shu-zu-zhong-de-cha-zhao-lcof/)
 
 ```java