32 lines
529 B
Go
32 lines
529 B
Go
package top100liked
|
|
|
|
import (
|
|
"testing"
|
|
)
|
|
|
|
// https://leetcode.cn/problems/symmetric-tree/description/?envType=study-plan-v2&envId=top-100-liked
|
|
|
|
type TreeNode struct {
|
|
Val int
|
|
Left *TreeNode
|
|
Right *TreeNode
|
|
}
|
|
|
|
func isSymmetric(root *TreeNode) bool {
|
|
return check(root.Left, root.Right)
|
|
}
|
|
|
|
func check(p, q *TreeNode) bool {
|
|
if p == nil && q == nil {
|
|
return true
|
|
}
|
|
if p == nil || q == nil {
|
|
return false
|
|
}
|
|
return p.Val == q.Val && check(p.Left, q.Right) && check(p.Right, q.Left)
|
|
}
|
|
|
|
func Test1(t *testing.T) {
|
|
|
|
}
|