Serializable Schedule

Question

It's a question I already asked and correct answer is 2 but what's wrong with this approach help me :(

Comments

Thats why at last i am doing 70 - 12 -12 - 4- 1 = 41 , i.e. removing all which can create a cycle.

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Here : https://gatestack.in/t/conflict-serializable-very-difficult-gate-question-2017-should-have-come-for-atleast-10-marks-how-can-they-ask-this-for-2-marks/271

I used same approach 

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these questions may help you

https://gateoverflow.in/247402/self-doubt-conflict-serializable

https://gateoverflow.in/245417/test-series