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题解 | #求二叉树的层序遍历#

/* * function TreeNode(x) { * this.val = x; * this.left = null; * this.right = null; * } */ /** * * @param root TreeNode类 * @retu...

Javascript Node

2021-09-25

0 412

题解 | #重建二叉树#

/* function TreeNode(x) { this.val = x; this.left = null; this.right = null; } */ function reConstructBinaryTree(pre, vin) { // write ...

Javascript Node

2021-09-25

2 404

题解 | #二分查找-II#

/** * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可 * * 如果目标值存在返回下标，否则返回 -1 * @param nums int整型一维数组 * @param target int整型 * @return int整型 */ function ...

Javascript Node

2021-09-25

0 349

题解 | #整数中1出现的次数（从1到n整数中1出现的次数）#

function NumberOf1Between1AndN_Solution(n) { // write code here let arr =[]; let point = 0; let ret = 0; while(n-point>0){ ...

Javascript Node

2021-09-25

0 296

题解 | #两个链表的第一个公共结点#

/*function ListNode(x){ this.val = x; this.next = null; }*/ function FindFirstCommonNode(pHead1, pHead2) { // write code here let temp...

Javascript Node

2021-09-25

0 377

题解 | #从上往下打印二叉树#

/* function TreeNode(x) { this.val = x; this.left = null; this.right = null; } */ function PrintFromTopToBottom(root) { // write code...

Javascript Node

2021-09-25

0 415

题解 | #反转链表#

/*function ListNode(x){ this.val = x; this.next = null; }*/ function ReverseList(pHead) { // write code here let pre = null; let c...

Javascript Node

2021-09-25

0 364