What is the point of declaring a constant variable in C ++

If a programmer (or a development team) can successfully track every detail of each variable and not accidentally assign a value to a constant, then by all means declare constants const.

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, - FORTRAN 77. FORTRAN 77 , :

subroutine increment(i)
integer i

i = i + 1
end

subroutine process ()
call increment (1)
call someprocedure (1, 2, 3)
...

, someprocedure() (2, 2, 3)!

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