[Objective] To design a priority analyzer operator, understanding the principle of priority analysis. ] [Requirements analysis algorithm using the operator priority grammar analysis of the following: E →# E# E → E+ T | TT → T* F | FF → P ^ F | PP → (E) | i which i can be seen as is a terminator, no analysis of Authors. Specific requirements are as follows: 1. If you enter the correct sentence for the string of symbols, showing analysis steps, including analysis of the contents of the stack to give priority to the relationship between input symbols string changes 2. If the input string is not correct sentence symbols are also given the wrong location .

suanfuyouxianfenxiqi.txt

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