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The October Problem

As this was the last problem to be set, the great Threenivasan and Sodharth were discussing about the possible topic of the problem. Momoswini , who was eagerly waiting for the contest, had already requested the problem setters to make sure there was no hard-topic involved in the contest. Hence, we present you with a rather simple problem. "Once upon a time in Neverland, there was a small kid

HINT LADDERno hints yet
L1 Observation
L2 Technique
L3 Approach
L4 Pseudo-code
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L5 Full solution
L5 unlocks only if you insist twice
solution.cppC++17

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