Petya and Sequence

CodeChefRating 2875Open on judge ↗

Little Petya likes integer numbers a lot. Recently he has received a sequence of integers as a gift from his mother. Petya calls a sequence of N integers Ai beautiful if there exist a sequence of N integer numbers Bi for which the following conditions hold: - At least one number Bi differs from 0. - For every j from 0 to N-1 the following holds: A0* Bj + A1* B(j + 1) mod N + ... + AN-1* B(j + N

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