Search results
3 sie 2016 · You should simply use global keyword. As previous = None is defined outside class Solution, so to use same variable inside class, add a line. global previous if previous!=None and previous >= root.val: your logic this will do your work.
17 kwi 2024 · Given a Binary Search Tree consisting of N distinct nodes, the task is to flatten the given Binary Search Tree to convert the tree into a wave list. A wave list arr[0..n-1] is called a wave list if arr[0] >= arr[1] <= arr[2] >= arr[3] <= arr[4] >= ... . Examples: Input: 1 / \ 0 10Output: 0 \ 10 \ 1 Input: 3 / \ 1 7 / \ / \ 0 2 5 10 O
21 mar 2024 · Local variables are declared within specific blocks of code and have limited scope, existing only within their block. Global variables, declared outside of any function, are accessible from any part of the program and persist throughout its execution.
30 maj 2024 · Deleting a key from the B-tree involves the key, removing it from the appropriate leaf node and ensuring the B-tree remains balanced by merging or redistributing the nodes if necessary. The time complexity of the deletion operation is O(log n) .
What is a B-Tree? A B-Tree is a self-balancing search tree with several unique properties. It is commonly used in scenarios where large amounts of data need to be stored and accessed quickly. B-Trees have a variable number of children per node, which helps maintain balance as the tree grows.
To create a global variable inside a function, you can use the global keyword. Example. If you use the global keyword, the variable belongs to the global scope: def myfunc (): global x. x = "fantastic" myfunc () print("Python is " + x) Try it Yourself » Also, use the global keyword if you want to change a global variable inside a function. Example.
We have then defined different functions to insert the value in the node, split the node, set the value of the node, insert elements in the B Tree, copy the successor, perform the right shift and left shift, merge the nodes, adjust the node, and traverse the tree.
