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Difficulty: Easy
Category: architecture & logic
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Topics: networking, string-manipulation, c++
The Financial Information eXchange (FIX) protocol is a standard electronic communications protocol used to exchange real-time information related to financial markets. To ensure data integrity, every FIX message ends with a checksum field (Tag 10). Low-latency trading systems must quickly and efficiently validate this checksum before parsing the rest of the message to discard corrupted data. Task Implement a class FIXValidator with a method isValid that takes a FIX message as a string and retur
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