Smol Soldiers

A Soldier $I$ is defined by his height and weight as [height, weight]. Smol Shreya wants to find no. of Smol soldiers in a given army. Given an array for the army, return the no. of Smol soldiers. A smol soldier is defined as a soldier $I$ for which there exists a soldier $J$ with $height[i] < height[j]$ and $weight[i] < weight[j]$ ### Input - The first line of input will contain a single integ