Merge pull request halfrost#60 from halfrost/code_quality_improvement

optimization code quality level from A to A+

Author: halfrost

.vscode/settings.json

@@ -0,0 +1,13 @@
+{
+    "go.formatTool": "gofmt",
+    "go.formatFlags": [
+        "-s"
+    ],
+    "[go]": {
+        "editor.insertSpaces": false,
+        "editor.formatOnSave": true,
+        "editor.codeActionsOnSave": {
+            "source.organizeImports": true
+        }
+    }
+}

README.md

@@ -8,20 +8,28 @@
 </p>
 
 <p align='center'>
+<a href="https://github.com/halfrost/LeetCode-Go/releases/" rel="nofollow"><img alt="GitHub All Releases" src="https://img.shields.io/github/downloads/halfrost/LeetCode-Go/total?label=PDF%20downloads"></a>
+<img src="https://github.com/halfrost/LeetCode-Go/workflows/Deploy%20leetcode-cookbook/badge.svg?branch=master">
+<img src="https://travis-ci.org/halfrost/LeetCode-Go.svg?branch=master">
+<img src="https://goreportcard.com/badge/github.com/halfrost/LeetCode-Go">
+<img src="https://img.shields.io/badge/runtime%20beats-100%25-success">
+<img alt="GitHub go.mod Go version" src="https://img.shields.io/github/go-mod/go-version/halfrost/LeetCode-Go?color=26C2F0">
+<img src="https://visitor-badge.laobi.icu/badge?page_id=halfrost.LeetCode-Go">
+</p>
+
+<p align='center'>
+<a href="https://github.com/halfrost/LeetCode-Go/blob/master/LICENSE"><img alt="GitHub" src="https://img.shields.io/github/license/halfrost/LeetCode-Go?label=License"></a>
+<img src="https://img.shields.io/badge/License-CC-000000.svg">
 <a href="https://leetcode.com/halfrost/"><img src="https://img.shields.io/badge/@halfrost-8751-yellow.svg">
-<img src="https://img.shields.io/badge/language-Golang-abcdef.svg">
+<img src="https://img.shields.io/badge/language-Golang-26C2F0.svg">
 <a href="https://halfrost.com"><img src="https://img.shields.io/badge/Blog-Halfrost--Field-80d4f9.svg?style=flat"></a>
 <a href="http://weibo.com/halfrost"><img src="https://img.shields.io/badge/[email protected]?style=flat&colorA=f4292e"></a>
 <a href="https://twitter.com/halffrost"><img src="https://img.shields.io/badge/[email protected]?style=flat&colorA=009df2"></a>
 <a href="http://www.jianshu.com/u/12201cdd5d7a"><img src="https://img.shields.io/badge/%E7%AE%80%E4%B9%A6-@%E4%B8%80%E7%BC%95%E6%AE%87%E6%B5%81%E5%8C%96%E9%9A%90%E5%8D%8A%E8%BE%B9%E5%86%B0%E9%9C%9C-b561fe.svg?style=flat&colorA=ed6f59"></a>
 <a href="https://juejin.im/user/5692e1e000b09aa2e8dcd422"><img src="https://img.shields.io/badge/%E6%8E%98%E9%87%91-@%E4%B8%80%E7%BC%95%E6%AE%87%E6%B5%81%E5%8C%96%E9%9A%90%E5%8D%8A%E8%BE%B9%E5%86%B0%E9%9C%9C-fd6f32.svg?style=flat&colorA=1970fe"></a>
 <a href="https://www.zhihu.com/people/halfrost/activities"><img src="https://img.shields.io/badge/%E7%9F%A5%E4%B9%[email protected]?style=flat&colorA=0083ea"></a>
-<img src="https://img.shields.io/badge/PR-welcome%20!-brightgreen.svg?colorA=a0cd34">
-<a href=""><img src="https://img.shields.io/badge/license-CC-000000.svg"></a>
 <img src="https://img.shields.io/badge/made%20with-=1-blue.svg">
-<img src="https://visitor-badge.laobi.icu/badge?page_id=halfrost.LeetCode-Go">
-<img src="https://github.com/halfrost/LeetCode-Go/workflows/Deploy%20leetcode-cookbook/badge.svg?branch=master">
-<img src="https://travis-ci.org/halfrost/LeetCode-Go.svg?branch=master">
+<a href="https://github.com/halfrost/LeetCode-Go/pulls"><img src="https://img.shields.io/badge/PR-Welcome-brightgreen.svg"></a>
 </p>
 
 支持 Progressive Web Apps 和 Dark Mode 的题解电子书《LeetCode Cookbook》 <a href="https://books.halfrost.com/leetcode/" rel="nofollow">Online Reading</a>

go.mod

@@ -0,0 +1,3 @@
+module LeetCode-Go
+
+go 1.14

leetcode/0001.Two-Sum/1. Two Sum_test.go

@@ -26,32 +26,30 @@ type ans1 struct {
 func Test_Problem1(t *testing.T) {
 
 	qs := []question1{
-
-		question1{
+		{
 			para1{[]int{3, 2, 4}, 6},
 			ans1{[]int{1, 2}},
 		},
 
-		question1{
+		{
 			para1{[]int{3, 2, 4}, 5},
 			ans1{[]int{0, 1}},
 		},
 
-		question1{
+		{
 			para1{[]int{0, 8, 7, 3, 3, 4, 2}, 11},
 			ans1{[]int{1, 3}},
 		},
 
-		question1{
+		{
 			para1{[]int{0, 1}, 1},
 			ans1{[]int{0, 1}},
 		},
 
-		question1{
+		{
 			para1{[]int{0, 3}, 5},
 			ans1{[]int{}},
 		},
-
 		// 如需多个测试，可以复制上方元素。
 	}
 

leetcode/0002.Add-Two-Numbers/2. Add Two Numbers_test.go

@@ -29,42 +29,42 @@ func Test_Problem2(t *testing.T) {
 
 	qs := []question2{
 
-		question2{
+		{
 			para2{[]int{}, []int{}},
 			ans2{[]int{}},
 		},
 
-		question2{
+		{
 			para2{[]int{1}, []int{1}},
 			ans2{[]int{2}},
 		},
 
-		question2{
+		{
 			para2{[]int{1, 2, 3, 4}, []int{1, 2, 3, 4}},
 			ans2{[]int{2, 4, 6, 8}},
 		},
 
-		question2{
+		{
 			para2{[]int{1, 2, 3, 4, 5}, []int{1, 2, 3, 4, 5}},
 			ans2{[]int{2, 4, 6, 8, 0, 1}},
 		},
 
-		question2{
+		{
 			para2{[]int{1}, []int{9, 9, 9, 9, 9}},
 			ans2{[]int{0, 0, 0, 0, 0, 1}},
 		},
 
-		question2{
+		{
 			para2{[]int{9, 9, 9, 9, 9}, []int{1}},
 			ans2{[]int{0, 0, 0, 0, 0, 1}},
 		},
 
-		question2{
+		{
 			para2{[]int{2, 4, 3}, []int{5, 6, 4}},
 			ans2{[]int{7, 0, 8}},
 		},
 
-		question2{
+		{
 			para2{[]int{1, 8, 3}, []int{7, 1}},
 			ans2{[]int{8, 9, 3}},
 		},

leetcode/0003.Longest-Substring-Without-Repeating-Characters/3. Longest Substring Without Repeating Characters_test.go

@@ -26,22 +26,22 @@ func Test_Problem3(t *testing.T) {
 
 	qs := []question3{
 
-		question3{
+		{
 			para3{"abcabcbb"},
 			ans3{3},
 		},
 
-		question3{
+		{
 			para3{"bbbbb"},
 			ans3{1},
 		},
 
-		question3{
+		{
 			para3{"pwwkew"},
 			ans3{3},
 		},
 
-		question3{
+		{
 			para3{""},
 			ans3{0},
 		},

leetcode/0004.Median-of-Two-Sorted-Arrays/4. Median of Two Sorted Arrays_test.go

@@ -27,12 +27,12 @@ func Test_Problem4(t *testing.T) {
 
 	qs := []question4{
 
-		question4{
+		{
 			para4{[]int{1, 3}, []int{2}},
 			ans4{2.0},
 		},
 
-		question4{
+		{
 			para4{[]int{1, 2}, []int{3, 4}},
 			ans4{2.5},
 		},

leetcode/0007.Reverse-Integer/7. Reverse Integer_test.go

@@ -26,22 +26,22 @@ func Test_Problem7(t *testing.T) {
 
 	qs := []question7{
 
-		question7{
+		{
 			para7{321},
 			ans7{123},
 		},
 
-		question7{
+		{
 			para7{-123},
 			ans7{-321},
 		},
 
-		question7{
+		{
 			para7{120},
 			ans7{21},
 		},
 
-		question7{
+		{
 			para7{1534236469},
 			ans7{0},
 		},

leetcode/0009.Palindrome-Number/9. Palindrome Number_test.go

@@ -26,37 +26,37 @@ func Test_Problem9(t *testing.T) {
 
 	qs := []question9{
 
-		question9{
+		{
 			para9{121},
 			ans9{true},
 		},
 
-		question9{
+		{
 			para9{-121},
 			ans9{false},
 		},
 
-		question9{
+		{
 			para9{10},
 			ans9{false},
 		},
 
-		question9{
+		{
 			para9{321},
 			ans9{false},
 		},
 
-		question9{
+		{
 			para9{-123},
 			ans9{false},
 		},
 
-		question9{
+		{
 			para9{120},
 			ans9{false},
 		},
 
-		question9{
+		{
 			para9{1534236469},
 			ans9{false},
 		},

leetcode/0011.Container-With-Most-Water/11. Container With Most Water_test.go

@@ -26,12 +26,12 @@ func Test_Problem11(t *testing.T) {
 
 	qs := []question11{
 
-		question11{
+		{
 			para11{[]int{1, 8, 6, 2, 5, 4, 8, 3, 7}},
 			ans11{49},
 		},
 
-		question11{
+		{
 			para11{[]int{1, 1}},
 			ans11{1},
 		},