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What is the difference between size_t and int in C++?
Here we will see what are the differences between size_t and int in C++. If we consider the standard, both are integers of size 16 bits.
On a typical 64-bit system, the size_t will be 64-bit, but unsigned int will be 32 bit. So we cannot use them interchangeably.
One standard recommendation is that the size_t be at most as big as an unsigned long. So you may think that we can use unsigned long in the place of size_t, but unsigned long on 64-bit system, if the OS ins Windows, will be of 32-bits, but size_t will be of 64-bits.
Updated on: 30-Jul-2019
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