Resources Link

• ER Diagram Link - https://erdplus.com/edit-diagram/5ab7538f-4725-40a7-9da4-a5cc876e1150
• Schema Design Link (drawsql.app) - https://drawsql.app/none-538/diagrams/online-judge

Basic ER Diagram of the system

• tags attribute is multivalued
• testcases input/output is also multivalued

Schema Design

https://drawsql.app/none-538/diagrams/online-judge/embed