Written by MD ARIFUL HAQUE
1569. Number of Ways to Reorder Array to Get Same BST Difficulty: Hard Topics: Principal, Array, Math, Divide and Conquer, Dynamic Programming, Tree, Union-Find, Binary Search Tree, Memoization, Combinatorics, Binary Tree, Fermat's Little Theorem, Weekly Contest 204 Given an array nums that represents a permutation of integers from 1 to n. We are going to construct a binary search tree (BST) by inserting the elements of nums in order into an initially empty BST. Find the number of differen...