Question

T - programming languages concepts

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Answer 1

<hex-literal> $\rightarrow$ <hex-integer> [ <integer-suffix> ]

<hex-integer> $\rightarrow$ <hexadecimal> | <hexadecimal-H>

<integer-suffix> $\rightarrow$ <unsigned-suffix> [ <long-suffix> ]

                               | <long-suffix> [ <unsigned-suffix> ]

<unsigned-suffix> $\rightarrow$ u | U

<long-suffix> $\rightarrow$ l | L

<hexadecimal> $\rightarrow$ 0x <hex-digits> | 0x <hex-digits>

<hexadecimal-H> $\rightarrow$ <hex-digit> h | <hex-digits> H

<hex-digits> $\rightarrow$ <hex-digit> <hex-digits> | <hex-digit>

<hex-digit> $\rightarrow$ 0|1|2|3|4|5|6|7|8|9

|a|b|c|d|e|f|A|B|C|D|E|F