LC #217: Contains Duplicate

May 21, 2025 · 2 min read · 🧠 Problem Statement Check if any element appears more than once in the array. 🔗 Leetcode Link Contains Duplicate - LC #217 💥 Brute Force for (int i = 0; i < nums.length; i++) { for (int j = i + 1; j < nums.length; j++) { if (nums[...