Question: Please implement using vectors !! 4.2 Task 2: Find useless symbols Determine useless symbols in the grammar and remove rules that contain useless symbols. Then

Please implement using vectors !!

Determine useless symbols in the grammar and remove rules that contain useless

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 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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