From 7fd680c01454e4954f5679514579d41b82692ace Mon Sep 17 00:00:00 2001
From: JessonChan <chinachendongpo@gmail.com>
Date: Thu, 13 Aug 2020 19:06:25 +0800
Subject: [PATCH] use range-for

range for is much easy to read
---
 leetcode/0001.Two-Sum/1. Two Sum.go | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/leetcode/0001.Two-Sum/1. Two Sum.go b/leetcode/0001.Two-Sum/1. Two Sum.go
index dda3d53f..26aefd12 100644
--- a/leetcode/0001.Two-Sum/1. Two Sum.go	
+++ b/leetcode/0001.Two-Sum/1. Two Sum.go	
@@ -2,12 +2,11 @@ package leetcode
 
 func twoSum(nums []int, target int) []int {
 	m := make(map[int]int)
-	for i := 0; i < len(nums); i++ {
-		another := target - nums[i]
-		if _, ok := m[another]; ok {
-			return []int{m[another], i}
+	for k, v := range nums {
+		if idx, ok := m[target-v]; ok {
+			return []int{idx, k}
 		}
-		m[nums[i]] = i
+		m[v] = k
 	}
 	return nil
 }