Pergunta de entrevista da empresa Susquehanna International Group

Coding session: Write a method which returns stock ticker value based on a company name found in a string of text which contains random words besides the company name. The most critical part is that the method must be optimized for performance under the assumption that there could be millions of companies to search through System Design session: Design a point of sale system which accepts coupons and write the associated code with minimal implementation details