更新README.md

Author: aQua

README.md

@@ -5,6 +5,7 @@
 [![codecov](https://codecov.io/gh/aQuaYi/LeetCode-in-Golang/branch/master/graph/badge.svg)](https://codecov.io/gh/aQuaYi/LeetCode-in-Golang)
 
 
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 ## 答题进度：34%
 > 仅含免费题
 

README_HEAD.md

@@ -3,3 +3,4 @@
 [![LeetCode Ranking](https://img.shields.io/badge/Ranking-%d-blue.svg)](https://leetcode.com/%s/)
 [![Build Status](https://www.travis-ci.org/aQuaYi/LeetCode-in-Golang.svg?branch=master)](https://www.travis-ci.org/aQuaYi/LeetCode-in-Golang)
 [![codecov](https://codecov.io/gh/aQuaYi/LeetCode-in-Golang/branch/master/graph/badge.svg)](https://codecov.io/gh/aQuaYi/LeetCode-in-Golang)
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