8-Convert the following BNF to EBNF → cexpr> + | | * | / | factor> | cexp> → () id **
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- Define Overrides keywordString Implement a custom type for representing strings in C++. Allow following operations as well as operators, considering dynamic memory allocation: Operations: • length: determine the length of string upper: convert the string to upper case • lower: convert the string to lower case • at: return character at a given index • substring: extract a substring given start and end • index: find starting index of a substring • compare: compare two strings concat: concatenate/append the argument after current string. Cater cases for different data types such as String, C-string, char, int, float prepend: concatenate/append the argument before current string. Cater cases for different data types such as String, char, int, float Operators: + : for concatenation and prepend operations taking into account different data types and order of argumets = : for assignment • =, !=, : for comparison operations ] : for access to character at a given index >> and << : for output and input a string7.Convert the following BNF to EBNF + | | | | ** () | id
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- please typed not hand written Question: Write a BNF description of the precedence and associativity rules defined below. Assume the only operands are the names a,b,c,d, and e.Explain with an example the situation where using read() is appropriate andalso an example where readlines() is appropriate.:what is suffix trie in data structure? How do you show the suffix trie T for eight suffixes of string "maximize" and compact representation of T, for the reference string. 0 1 2 3 4 5 6. 7 i mi a e