XOR PERMUTATION

CodeChefOpen on judge ↗

Bob and Alice are good friends. Bob loves permutations and Alice loves XOR operations. Now Bob is busy in preparing for his offline exams, so he gave his task of permutations to Alice. Bob gave a set of permutation of $N$ to Alice and told her to $Find$ $Minimum$ Number of Elements that must be $Removed$ from set of the $permuatation$ $[1,2,3,....,N]$ such that the bitwise XOR of all the remaining

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