Question: PLEASE CODE IN C++ USING VECTORS!! 4.2 Task 2: Find useless symbols Determine useless symbols in the grammar and remove rules that contain useless symbols.
PLEASE CODE IN C++ USING VECTORS!!


4.2 Task 2: Find useless symbols Determine useless symbols in the grammar and remove rules that contain useless symbols. Then output each rule of the remaining rules on a single line in the following format
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