Solution

java.lang.Object
- leetcode.binary_tree_cameras.Solution

```
public class Solution
extends Object
```
968. 监控二叉树

Field Summary

Fields
Modifier and Type Field Description

(package private) HashMap<TreeNode,Integer> m0

(package private) HashMap<TreeNode,Integer> m1

Constructor Summary

Constructors
Constructor Description

Solution()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`minCameraCover(TreeNode root)`
`int`	`minCameraCover0(TreeNode root)`
`int`	`minCameraCover1(TreeNode root)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

m0
```
HashMap<TreeNode,Integer> m0
```

m1
```
HashMap<TreeNode,Integer> m1
```

Constructor Detail
- Solution
```
public Solution()
```

Method Detail

minCameraCover

public int minCameraCover(TreeNode root)

minCameraCover0

public int minCameraCover0(TreeNode root)

minCameraCover1

public int minCameraCover1(TreeNode root)