We have come so far in this book! We have learned the fundamentals of C++ application development and discussed architecting and designing world-ready applications. We also dove into data structures and algorithms, which are at the heart of efficient programming. It's now time to leverage all of these skills to design complex software, such as a search engine.
With the popularity of the internet, search engines have become the most in-demand products out there. Most users start their journey through the web from a search engine. Various web search services, such as Google, Baidu, Yandex, and so on, receive huge amounts of traffic, serving trillions of requests daily. Search engines process each request in less than a second. Although they maintain thousands of servers to tackle the load, at the heart of their efficient processing...