In lecture 37, the topic of discussion is arrays in C++. The instructor explains what arrays are and their structure, which includes elements of the same data type being stored in a contiguous block of memory. The declaration and initialization of arrays are also discussed, with examples provided.
The lecture also covers the concepts of heap, stack, and code section, which are different memory areas used for storing data and code during program execution. Dynamic arrays of objects are introduced, along with overloading the new and delete operators for efficient memory allocation and deallocation.
The instructor also explains the concept of dynamic memory allocation, which allows the allocation of memory at runtime instead of compile time, using the malloc and calloc functions. The importance of properly managing dynamic memory allocation is emphasized, as improper handling can lead to memory leaks and program crashes.
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