public static void Pre(Node head)
if (head != null)
Stack<Node> stack = new Stack<Node>();
stack.add(head);
while (!stack.isEmpty()) {
head = stack.pop();
System.out.print(hea...
| English Article | Word Count | Duration | Accuracy | Speed | Backspace | Error | Slogan |
|---|---|---|---|---|---|---|---|
| 《前中序遍历二叉树》 | 733字 | 16.0分钟 | 100% | 120 CPM | 37 次 | 0 | 及格，继续努力！ |
|
Suggestion:
可能对按键不够熟悉，或者对输入法不够熟练所导致，不要急慢慢来，先打对把准确率提高，然后逐渐的加快速度，最后才能打准打快。
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| Inspirational quotes: 坚志者，功名之主也，不惰者，众善之师也。 ——葛洪 | |||||||
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