Learn and practice the Hash Maps and Knowing What to Track patterns to solve coding interview problems.

Educative-77 in C++: Accelerate Your Coding Interview Prep

Hash maps are powerful data structures that enable programmers to design more efficient solutions for certain problems. After practicing solving problems using hash maps, we will move to the more general problem-solving skill of figuring out the key characteristics of a problem, using various techniques to track them, in order to design remarkably efficient solutions for seemingly complex problems.

Hashing and Tracking

Here's a quick summary of what we learned from the "Hashing and Tracking" module.

Hash Maps

Knowing What to Track

Conclusion

Final Remarks

Summary