feat: Revised the book (#978)

* Sync recent changes to the revised Word.

* Revised the preface chapter

* Revised the introduction chapter

* Revised the computation complexity chapter

* Revised the chapter data structure

* Revised the chapter array and linked list

* Revised the chapter stack and queue

* Revised the chapter hashing

* Revised the chapter tree

* Revised the chapter heap

* Revised the chapter graph

* Revised the chapter searching

* Reivised the sorting chapter

* Revised the divide and conquer chapter

* Revised the chapter backtacking

* Revised the DP chapter

* Revised the greedy chapter

* Revised the appendix chapter

* Revised the preface chapter doubly

* Revised the figures

codes/go/chapter_dynamic_programming/edit_distance.go

@@ -76,7 +76,7 @@ func editDistanceDP(s string, t string) int {
 	for j := 1; j <= m; j++ {
 		dp[0][j] = j
 	}
-	// 状态转移：其余行列
+	// 状态转移：其余行和列
 	for i := 1; i <= n; i++ {
 		for j := 1; j <= m; j++ {
 			if s[i-1] == t[j-1] {