LeetCode: Two Sum 🔢 Brute Force Approach |Beginner Explanation 🚀 #java #dsa #coding #computerscience

🔍 Two Sum - Brute Force Explained💡
Example:
✅ Array: [2, 7, 11] | Target: 18
🔵 Outer loop picks the 1st number
🔴 Inner loop picks the 2nd number
➕ Add them → equal to target? Done!
📍 Step by step:

2 + 7 = 9 ❌ Not 18, move on
2 + 11 = 13 ❌ Not 18, move on
7 + 11 = 18 ✅ FOUND IT! → return [1, 2]

Just 2 loops checking every pair — that's Brute Force! 🧠
⏱ Time: O(n²) | 💾 Space: O(1)

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