algorithm/leetcode-master
1
0
Fork 0
mirror of https://github.com/youngyangyang04/leetcode-master.git synced 2025-07-08 16:54:50 +08:00
Code Issues Packages Projects Releases Wiki Activity

update: 平衡二叉树js版本格式化

Browse Source
This commit is contained in:
mengyuan
2021-11-22 20:04:35 +08:00
parent 6598443445
commit 434ba4ed39
1 changed files with 14 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
problems/0110.平衡二叉树.md
View File

@ -610,25 +610,19 @@ var isBalanced = function(root) {
// 1. 确定递归函数参数以及返回值
const getDepth = function(node) {
// 2. 确定递归函数终止条件
if(node===null){
return 0;
}
if(node === null) return 0;
// 3. 确定单层递归逻辑
let leftDepth = getDepth(node.left); //左子树高度
if(leftDepth===-1){
return -1;
}
let rightDepth = getDepth(node.right); //右子树高度
if(rightDepth===-1){
return -1;
}
if(leftDepth === -1) return -1;
if(rightDepth === -1) return -1;
if(Math.abs(leftDepth - rightDepth) > 1) {
return -1;
} else {
return 1 + Math.max(leftDepth, rightDepth);
}
}
return getDepth(root)===-1?false:true;
return !(getDepth(root) === -1);
};
```