Day 3 / 90 – Two Pointer Pattern 🔥

Focused on optimizing array problems using two pointers.
✅ 88 Merge Sorted Array (in-place, O(m+n))
✅ 2824 Count Pairs < Target
✅ 1 Two Sum
✅ 167 Two Sum II

Thinking in patterns > brute force 🚀

Day3 #DSA