Harry in Hogwarts

CodeChefOpen on judge ↗

Harry Potter traveled from Muggle World to Hogwarts to attend a fair. It is a lovely event with magical stalls selling food items from different worlds. Harry is really hungry and he is provided with wizard coupons by Professor Dumbledore. A single coupon can be used to buy a single item from the stall. There are $N$ magical stalls in a line (numbered 1 to $N$). Initially, the stalls are guarded

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