Madeeasy Max Heap 2019 [closed]

Question

Please explain the logic behind this shortcut and when to be used?

Comments

@MiNiPanda, check this- https://gateoverflow.in/292895/madeaeasy?show=292950#c292950

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If anyone wants to do fast. just watch that video it will you to solve the question only in one minute.

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just check the beautiful explanation by KAPIL sir https://gateoverflow.in/102171

@Markzuck

Please before posting the question, should check for Duplicates.

Due to you didn't check, everyone wastes their precious time for this discussion ( due to it is already solved and discussed in very clear manner )