Sets And Maps Advanced - Exercises

Problems

01. Unique Usernames

Problem Description

02. Sets of Elements

03. Periodic Table

04. Count Symbols

05. Phonebook

06. Fix Emails

07. Hands Of Cards

08. User Logs

09. Population Counter

10. Logs Aggregator

11. Legendary Farming

12. Сръбско Unleashed

13. Dragon Army