2368. Reachable Nodes With Restrictions
2368. Reachable Nodes With Restrictions
class Solution:
def reachableNodes(self,
Gary Lai
695. Max Area of Island
695. Max Area of Island
class Solution:
def maxAreaOfIsland(self,
103. Binary Tree Zigzag Level Order Traversal
103. Binary Tree Zigzag Level Order Traversal
# Definition for a
515. Find Largest Value in Each Tree Row
515. Find Largest Value in Each Tree Row
題目要熟悉 BFS
1026. Maximum Difference Between Node and Ancestor
1026. Maximum Difference Between Node and Ancestor
這題要找的是 「某個節點與它的祖先節點之間的差異最大值」。節點的選擇可以是樹中的任何一點，
1208. Get Equal Substrings Within Budget
1208. Get Equal Substrings Within Budget
class Solution:
def equalSubstring(
2090. K Radius Subarray Averages
2090. K Radius Subarray Averages
這個題目的重點是細心處理邊界問題。
class Solution:
def getAverages(
1413. Minimum Value to Get Positive Step by Step Sum
1413. Minimum Value to Get Positive Step by Step Sum
2270. Number of Ways to Split Array
2270. Number of Ways to Split Array
此道題目需要先理解 Prefix Sum
525. Contiguous Array
525. Contiguous Array
題目給定一個只包含 0 和 1 的陣列，請找出其中最長的子陣列，這個子陣列必須滿足包含相同數量的