Candies

Abhi is a salesman. He was given two types of candies, which he is selling in $N$ different cities. For the prices of the candies to be valid, Abhi's boss laid down the following condition: - A given type of candy must have **distinct** prices in all $N$ cities. In his excitement, Abhi wrote down the prices of both the candies on the same page and in random order instead of writing them on diffe