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Why is const used in field.c of pset3?
No they are not the same:
#define MAX 65536:
This tells the compiler to swap all instances of MAX with 65536, it is not not a variable that exists in memory.
const int MAX = 65536:
This declares a variable … When and for what purposes should the const keyword be used in C for variables?
Wikipedia on const
Which is better; const int vs #define? …