From ce970df5ffdb2e428b4ec2417e2bbccdc9371a31 Mon Sep 17 00:00:00 2001
From: NevS <1173325467@qq.com>
Date: Tue, 1 Jun 2021 23:43:02 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=200454.=E5=9B=9B=E6=95=B0?=
 =?UTF-8?q?=E7=9B=B8=E5=8A=A0II=20go=E7=89=88=E6=9C=AC?=
MIME-Version: 1.0
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---
 problems/0454.四数相加II.md | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/problems/0454.四数相加II.md b/problems/0454.四数相加II.md
index 2c648f58..5291060c 100644
--- a/problems/0454.四数相加II.md
+++ b/problems/0454.四数相加II.md
@@ -154,6 +154,23 @@ class Solution(object):
 
 
 Go：
+```go
+func fourSumCount(nums1 []int, nums2 []int, nums3 []int, nums4 []int) int {
+    m := make(map[int]int)
+    count := 0
+    for _, v1 := range nums1 {
+        for _, v2 := range nums2 {
+            m[v1+v2]++
+        }
+    }
+    for _, v3 := range nums3 {
+        for _, v4 := range nums4 {
+            count += m[-v3-v4]
+        }
+    }
+    return count
+}
+```
 
 javaScript: