Add 1 to the list

Problemtc :O(n), sc:O(1) ⛶/* class Node{ int data; Node next; Node(int x){ data = x; next = null; } } */ class Solution { public Node addOne(Node head) { ...
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Exploring Static Variable in PHP

Have you ever needed a shared memory drawer in PHP — a place where your data stays accessible between function calls without polluting the global scope? Welcome to one of PHP’s most under...
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