What are the rules used while writing subscripts?

1.	What are the rules used while writing subscripts?
Answer» Rules for subscripts are: (i) each subscript must be an unsigned positive integer constant or an expression (ii) subscript of a subscript is not permitted (iii) maximum subscript appearing in a program for a subscripted variable should not exceed the declared one (iv) subscript value ranges from 0 to one less than the maximum size. If an array has three elements then subscript can be 0,1,2.

Answer»

Rules for subscripts are:

(i) each subscript must be an unsigned positive integer constant or an expression

(ii) subscript of a subscript is not permitted

(iii) maximum subscript appearing in a program for a subscripted variable should not exceed the declared one

(iv) subscript value ranges from 0 to one less than the maximum size. If an array has three elements then subscript can be 0,1,2.

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