Challenge First

CodeChefOpen on judge ↗

Cheffina challanges chef to rearrange the given array as arr[i] > arr[i+1] < arr[i+2] > arr[i+3].. and so on..., i.e. also arr[i] < arr[i+2] and arr[i+1] < arr[i+3] and arr[i] < arr[i+3] so on.. Chef accepts the challenge, chef starts coding but his code is not compiling help him to write new code. ###Input: - First-line will contain $T$, the number of test cases. Then the test cases follow.

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