Solution: Minimum Size Subarray Sum

Understand how to solve the minimum size subarray sum problem by applying the sliding window technique. This lesson guides you through maintaining a dynamic window over an array of positive integers to find the smallest contiguous subarray with a sum greater than or equal to the target. You'll learn to track window boundaries, update sums efficiently, and implement an optimal O(n) time complexity solution with constant space, improving your approach to similar coding interview problems.