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Count Inversions in an Array

An inversion is a pair of indices (i, j) such that: i arr[j] In simple words, an inversion tells us how far an array is from being sorted.

java dev.to Jun 04, 2026

Collections in Java.

Java Collection Framework (JCF) is a set of classes and interfaces that provide ready-made data structures to store and manipulate groups of objects e

java dev.to Jun 04, 2026

Structs in Go

Let's explore structs in Go. If you know Go's basic types like string, int, and bool, structs let you handle more complex data. Say you're building a

go dev.to Jun 04, 2026
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