Counting Pairs with Sums Divisible by K

This problem asks you to count all pairs in an array whose sum is divisible by K. 🔢
It’s fascinating to see how numbers combine to meet the divisibility condition! 😲
Even simple arrays can hide surprising patterns when you look at sums modulo K. ✨
Each pair contributes to the final count, and discovering them feels like solving a mini number puzzle. 💡
The challenge sharpens your logical reasoning and helps you spot relationships between numbers. 🚀
You’ll be amazed at how a few observations can uncover the hidden structure in the array. 🌟
A perfect problem for anyone who loves exploring number properties, patterns, and math-based coding challenges! 🔍