Computer Programming
2,140 learners
C++ HashMaps in Practice: Revision and Application
Strengthen your understanding and application of hashmap data structures with a focus on counting and aggregation tasks. This course will deepen your comprehension of efficient data access and manipulation using hashmaps.
C++
4 lessons
20 practices
4 hours
General Programming and Algorithms
Course details
Updating Book Titles in the Library Catalog
Fix the Unordered Map Syntax Error
Checking Book Availability in a Library Catalog using C++ Unordered Map
Updating and Accessing Elements in C++ HashMaps
Updating Library Catalog Entries in C++
Meet Cosmo:
The smartest AI guide in the universe
Our built-in AI guide and tutor, Cosmo, prompts you with challenges that are built just for you and unblocks you when you get stuck.

Join the 1M+ learners on CodeSignal
Be a part of our community of 1M+ users who develop and demonstrate their skills on CodeSignal