algorithm-practice/yandex_practicum/sprint_5/tasks/C/task.go at master · dmitryburov/algorithm-practice · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
package main

import (
	"fmt"
)

// Node
// TODO Comment it before submitting
type Node struct {
	value int
	left  *Node
	right *Node
}

func Solution(root *Node) bool {
	if root.left == nil && root.right == nil {
		return true
	} else if root.left == nil || root.right == nil {
		return false
	}

	return valueLR(root.left) == valueRL(root.right)
}

func valueLR(root *Node) string {
	if root == nil {
		return ""
	}
	return valueLR(root.left) + fmt.Sprint(root.value) + valueLR(root.right)
}

func valueRL(root *Node) string {
	if root == nil {
		return ""
	}
	return valueRL(root.right) + fmt.Sprint(root.value) + valueRL(root.left)
}