Melisandre and her Vision

CodeChefOpen on judge ↗

Melisandre is again looking to the future in the fire with help of The Lord. A series of events starts coming in her vision. The series of events is in the form of a string $S$, in which each event is represented as a digit ranging from '0' to '9'. Now, when she had already seen $N$ number of events(i.e. $N$ digits), she gets interrupted by Jon Snow. Now, she wants to see all this again, but this

HINT LADDERno hints yet

L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

🔒

L5 Full solution

L5 unlocks only if you insist twice

solution.cppC++17

CodeSearch Tutor

Hints, not spoilers — it won’t hand over the full solution unless you insist.

voice by Sarvam AI