Great War

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The human army has proved itself against the mighty aliens by winning the Great War. But even in times of peace, the army should remain alert and disciplined. The army has N soldiers. The soldiers are numbered from 1 to N. The army has a superiority hierarchy. Every soldier has one immediate superior. The superior of a superior of a soldier is also a superior to that soldier. So, a soldier may h

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solution.cppC++17

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