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This example shows how multiple keys collide at the same index, creating a long chain
and increasing search time.
9.7.2 Memory Usage
Hash tables require memory proportional to the table size, not just the number of
elements stored. If the table is too large, memory is wasted. If the table is too small, collisions
increase. Balancing memory usage and performance is a challenge, especially in systems with
limited resources.
Example: Large Table Initialization in C++
This example demonstrates how initializing a very large hash table consumes
significant memory, even if only a few keys are stored.
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