De Shaw came to our campus for intership .
Problem 1:  FtoF Interview
In This question we were to predict the suitable data structure used for this situation.

You are given data for 5 years for 50 cities. Data Includes city name, date, minimum temperature, maximum temperature. You need to predict the data structure required to answer the following queries:

a) Hottest city on a given date

b) Coldest city on a given date

c) Hottest city in entire period

d) Coldest city in entire period

e)Hottest day of entire period

f) Coldest day of entire period