Commit a5ee6b0

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Merge remote-tracking branch 'upstream/master'

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Original file line number	Diff line number	Diff line change
`@@ -313,6 +313,31 @@ class solution {`
`313`	`313`	`}`
`314`	`314`	```
`315`	`315`
	`316`	+```java
	`317`	`+class Solution {`
	`318`	`+ /**`
	`319`	`+ * 递归法(求深度法)`
	`320`	`+ */`
	`321`	`+ //定义最大深度`
	`322`	`+ int maxnum = 0;`
	`323`	`+`
	`324`	`+ public int maxDepth(TreeNode root) {`
	`325`	`+ ans(root,0);`
	`326`	`+ return maxnum;`
	`327`	`+ }`
	`328`	`+`
	`329`	`+ //递归求解最大深度`
	`330`	`+ void ans(TreeNode tr,int tmp){`
	`331`	`+ if(tr==null) return;`
	`332`	`+ tmp++;`
	`333`	`+ maxnum = maxnum<tmp?tmp:maxnum;`
	`334`	`+ ans(tr.left,tmp);`
	`335`	`+ ans(tr.right,tmp);`
	`336`	`+ tmp--;`
	`337`	`+ }`
	`338`	`+}`
	`339`	+```
	`340`	`+`
`316`	`341`	```java
`317`	`342`	`class solution {`
`318`	`343`	`/**`

Lines changed: 4 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -320,8 +320,11 @@ TypeScript:`
`320`	`320`	```typescript
`321`	`321`	`function sumNumbers(root: TreeNode \| null): number {`
`322`	`322`	`if (root === null) return 0;`
	`323`	`+ // 记录最终结果`
`323`	`324`	`let resTotal: number = 0;`
	`325`	`+ // 记录路径中遇到的节点值`
`324`	`326`	`const route: number[] = [];`
	`327`	`+ // 递归初始值`
`325`	`328`	`route.push(root.val);`
`326`	`329`	`recur(root, route);`
`327`	`330`	`return resTotal;`
`@@ -342,6 +345,7 @@ function sumNumbers(root: TreeNode \| null): number {`
`342`	`345`	`};`
`343`	`346`	`}`
`344`	`347`	`function listToSum(nums: number[]): number {`
	`348`	`+ // 数组求和`
`345`	`349`	`return Number(nums.join(''));`
`346`	`350`	`}`
`347`	`351`	`};`

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