A pair holds exactly two values that can have different types. You might store a name with an age, or coordinates as x and y. The standard library provides When you create Pairs save you from writing small structs when you just need to bundle two things.
They work with sorting, comparison operators, and STL algorithms automatically. Understanding this concept deeply will help you write better code. Practice with examples until the pattern becomes automatic.
Review earlier sections if anything is unclear. Building on solid foundations makes advanced topics easier.