Count Total Nodes Problem

Count Total Nodes Problem — ExecCode Easy DSA Practice

Solve the Count Total Nodes problem on ExecCode. Free online easy DSA practice in Tree. Write and run code in Java, C++, Python — no signup required to run.

Problem description

Description You are given the input needed to solve Count Total Nodes. Your task is to in Count Total Nodes, you must respect the tree structure instead of treating values as a flat list. A hierarchy is stored as a tree, and each parent-child link affects the final answer. data: n and level-order node values. Return total nodes in tree.

Examples

Input {"data": "1\n1"}; Output 1. Input {"data": "3\n1\n2\n3"}; Output 3. Input {"data": "5\n1\n2\n3\n4\n5"}; Output 5

Constraints

1 <= n <= 10^4

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