Find the Hacker

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In today's digital era everyone is being hacked by someone, but there are a few who are untouchables/unhackable and are considered Master Hackers. Your task is to find these Master Hackers in the hacker community. A Master Hacker is the one who is hacking everyone else either directly or indirectly, i.e 1. A --> B, A hacks B 2. B --> C, B hacks C ==> A --> C, A is indirectly hacking C. A hacker

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L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

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L5 Full solution

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solution.cppC++17

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