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Friday, July 4, 2025

isEmpty() in Linked List in C++

int isEmpty(Node* top) {
    return (top == NULL); // return (!top);

}


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3917. Count Indices With Opposite Parity (Brute Force) O(n2) + Optimized Solution O(n) + tips LEETCODE WEEKLY 500

  class Solution {     public int [] countOppositeParity ( int [] nums ) {          // approach 1 - checks every pair         int n = n...