添加新题目

This commit is contained in:
2025-08-26 06:18:10 +08:00
parent e1546166a3
commit 72f4dca9ed
18 changed files with 485 additions and 0 deletions

View File

@@ -0,0 +1,26 @@
package main
type TreeNode struct {
Val int
Left *TreeNode
Right *TreeNode
}
func main() {
}
func isSymmetric(root *TreeNode) bool {
return checkifq(root.Left, root.Right)
}
func checkifq(a, b *TreeNode) bool {
if a == nil && b == nil {
return true
}
if a == nil || b == nil {
return false
}
return a.Val == b.Val && checkifq(a.Left, b.Right) && checkifq(a.Right, b.Left)
}