Question: Data structure 19 Use a stack to determine if an input character string is of the form: xC y where x is a string consisting
Data structure 19

Use a stack to determine if an input character string is of the form: xC y where x is a string consisting of the letters 'A' and 'B', and where y is the reverse of x (that is, ifx - "ABABBA", y must equal "ABBABA") At each point you may read only the next character of the string. Write an algorithm in pseudo code for the above processing. (6 marks)
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