crissu
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crissu
使用数组来做判断是否存在要比map性能好，很棒
func zigzagLevelOrder(root *TreeNode) [][]int { res := [][]int{} if root == nil{ return res } q := []*TreeNode{root} var size, i, j int var lay []int var tmp []*TreeNode var...
> > @crissu > > func zigzagLevelOrder(root *TreeNode) [][]int { > > res := [][]int{} > > if root == nil{ > > return res > > } > >...