Event-Counter

Implemented an event counter using redblack tree and minheap

RedblackTree.Java

1. This class has a function that implements the redblack tree from scratch.
2. All the delete,insert and search operation was implemented from scratch.

Minheap.java

1. This class implements the Minheap data structure from scratch.

Minheapnode

1. This is the minheap node, that links the minheap with the redblack tree.

Risingcity.java

1. This is the main class where the problem statement was solved using minheap and redblack tree.