Data Structure

★★ MediumHash TableLeetCodePrefix SumSubarray Sums Divisible by K

Leetcode # 523. Continuous Subarray Sum

2024/06/08 A1go

★ EasyBinary Search TreeLeetCode

Leetcode # 270. Closest Binary Search Tree Value

2024/04/21 A1go

★★ MediumBinary TreeBreadth-First SearchLeetCode

Leetcode # 103. Binary Tree Zigzag Level Order Traversal

2024/04/21 A1go

★★ MediumBinary TreeDepth-First SearchLeetCode

Leetcode # 1302. Deepest Leaves Sum

2024/04/20 A1go

★ EasyBinary TreeDepth-First SearchLeetCode

Leetcode # 543. Diameter of Binary Tree

2024/04/20 A1go

★★ MediumBFS & DFSBinary TreeLeetCode

Leetcode # 1026. Maximum Difference Between Node and Ancestor

2024/04/20 A1go

★ EasyBinary TreeDepth-First SearchLeetCode

Leetcode # 111. Minimum Depth of Binary Tree

2024/04/20 A1go

★★★ HardLeetCodeMathematicsTree

Leetcode # 2867. Count Valid Paths in a Tree

2023/10/04 A1go

★★ MediumArrayLeetCodeOne-PassPrefix Sum

Leetcode # 2874. ⭐️ Maximum Value of an Ordered Triplet II

2023/10/01 A1go

★ EasyArrayLeetCodePrefix Sum

Leetcode # 2873. Maximum Value of an Ordered Triplet I

2023/10/01 A1go