where relop is a relational operator (e.g., <, >, ...), ô refers to the empty statement, and if, then, else are terminals. Consider a program P following the above grammar containing ten if terminals. The number of control flow paths in P is For example, the program if e, then e, else ez 2 control flow paths, e,-e, and e, →ez.

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Consider the following gramnmar:
stmt
if expr then expr else expr; stmt | ở
expr
term relop term term
term
id number
id
a | b| c
number
- [0-9]
where relop is a relational operator (e.g., <, >, ...), ó refers to the empty statement, and if, then, else are terminals.
Consider a program P following the above grammar containing ten if terminals. The number of control flow paths in P is
For example, the program
if
e1
then
e2
else
e3
S2 control flow paths, e,-e, and e, e3.
Transcribed Image Text:Consider the following gramnmar: stmt if expr then expr else expr; stmt | ở expr term relop term term term id number id a | b| c number - [0-9] where relop is a relational operator (e.g., <, >, ...), ó refers to the empty statement, and if, then, else are terminals. Consider a program P following the above grammar containing ten if terminals. The number of control flow paths in P is For example, the program if e1 then e2 else e3 S2 control flow paths, e,-e, and e, e3.
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