添加字符串接龙go语言版本代码

problems/kamacoder/0110.字符串接龙.md

@@ -268,6 +268,82 @@ if __name__=='__main__':
 
 ### Go
 
+```go
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+)
+
+func connectWord(words []string, startWord string, endWord string) int {
+	if words == nil || len(words) == 0 {
+		return 0
+	}
+	var allWord = make(map[string]bool)
+	for _, word := range words {
+		allWord[word] = true
+	}
+	visitedWord := make(map[string]bool)
+	queue := make([]string, 0)
+	result := 1
+	queue = append(queue, startWord)
+	queue = append(queue, "")
+	for len(queue) > 0 {
+		word := queue[0]
+		queue = queue[1:]
+		if word == "" {
+			if len(queue) > 0 {
+				result++
+				queue = append(queue, "")
+			}
+            continue
+		}
+		arr := []rune(word)
+		for i := 0; i < len(arr); i++ {
+			old := arr[i]
+			for j := 'a'; j <= 'z'; j++ {
+				arr[i] = j
+				newWord := string(arr)
+				if allWord[newWord] && !visitedWord[newWord] {
+					visitedWord[newWord] = true
+					queue = append(queue, newWord)
+					if newWord == endWord {
+						return result + 1
+					}
+				}
+			}
+			arr[i] = old
+		}
+	}
+	return 0
+}
+
+func main() {
+	scanner := bufio.NewScanner(os.Stdin)
+	scanner.Scan()
+	n, _ := strconv.Atoi(scanner.Text())
+	scanner.Scan()
+	input := strings.Split(scanner.Text(), " ")
+	beginStr := input[0]
+	endStr := input[1]
+
+	wordList := []string{beginStr, endStr}
+	for i := 0; i < n; i++ {
+		scanner.Scan()
+		wordList = append(wordList, scanner.Text())
+	}
+	count := connectWord(wordList, beginStr, endStr)
+	fmt.Println(count)
+}
+
+```
+
+
+
 ### Rust
 
 ### JavaScript