Avid Learner
CodeChefOpen on judge ↗
Problem Description Ankit has a collection of N books each numbered from 1 to N. As he is an avid reader he has assigned a number A[i] to each of his books. One fine day he bought a new book shelf, which had exactly N slots, and started storing his books in it. But he used the ith slot for the book numbered i only. While storing the books, he would pick any of the book that is yet to be placed i
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.
Sign in to chat with the tutor and save your progress.
Sign in to start