-
Notifications
You must be signed in to change notification settings - Fork 7
/
Main.java
31 lines (26 loc) · 820 Bytes
/
Main.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
package com.company;
class TreeNode {
int val;
TreeNode left;
TreeNode right;
TreeNode() {}
TreeNode(int val) { this.val = val; }
TreeNode(int val, TreeNode left, TreeNode right) {
this.val = val;
this.left = left;
this.right = right;
}
}
public class Main {
public static void main(String[] args) {
// write your code here
}
public boolean hasPathSum(TreeNode root, int targetSum) {
return dfs(root, 0, targetSum);
}
public boolean dfs(TreeNode node, int path, int targetSum){
if(node == null) return false;
if(node.left == node.right && path + node.val == targetSum) return true;
return dfs(node.left, path + node.val, targetSum) || dfs(node.right, path + node.val, targetSum);
}
}