In this HackerEarth Separating Numbers problem solution We are given a tree with N nodes….

In this HackerEarth Inverted cells problem solution You are given a matrix n * m….

In this HackerEarth XYZ Path queries problem solution Given a tree with N nodes (numbered…

In this HackerEarth Water supply problem solution Your country can be represented by N cities…

In this HackerEarth Random Subset on a Tree problem solution You are given a tree…

In this HackerEarth One and only flow problem solution You are given a network of…