Frequency Queries, is a HackerRank problem from Dictionaries and Hashmaps subdomain. In this post we will see how we can solve this challenge in Python

Problem Description

2/18/2020 1/3 Frequency Queries You are given queries. Each query is of the form two integers described below:

  • : Insert x in your data structure.
  • : Delete one occurence of y from your data ....

You can find the full details of the problem Frequency Queries at HackerRank

Solution: Please check the snippet for the solution.

Solution originally posted at: Github by @marinskiy