Problem Leetcode 1137. N-th Tribonacci Number - DP Level: Easy Link N-th Tribonacci Number - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com My Approach Classic fibonacci problem with DP algorithm class Solution: def tribonacci(self, n: int) -> int: arr = [0, 1, 1] if n < 3: return..
Problem Leetcode 938: Range sum BST Level: Easy Link Range Sum of BST - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com My Approach # Definition for a binary tree node. # class TreeNode: # def __init__(self, val=0, left=None, right=None): # self.val = val # self.left = left # self...
Leetcode 563. Binary Tree Tilt Level: easy Link Binary Tree Tilt - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com My Approach # Definition for a binary tree node. # class TreeNode: # def __init__(self, val=0, left=None, right=None): # self.val = val # self.left = left # self.right..