Himanshu Goyaldsa-patterns-prefix-sum-with-hashmap.hashnode.dev·Dec 17, 2024DSA Patterns: Prefix Sum with Hash Map Technique ✨✨✨Welcome to the first article in our DSA Patterns series, where we discuss commonly used patterns to solve coding problems, particularly for interviews. In this blog, we will break down the Prefix Sum with Hash Map technique—a powerful approach for so...dsapatterns
