← All problemsSign in

Fibonacci Queries

CodeChefRating 2222Open on judge ↗

Chef's love for Fibonacci numbers helps him to design following interesting problem. He defines a function F for an array S as follows: where - Si denotes a non-empty subset of multiset S. - sum(Si) denotes the sum of all element of multiset Si. - Fibonacci(x) denotes the xth Fibonacci number. Given an array A consisting of N elements. Chef asked you to process following two types of queries

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

Sign in to chat with the tutor and save your progress.

Sign in to start