Optimal Flip

CodeChefRating 2006Open on judge ↗

You are given an array $A$ of length $N$. You are allowed to perform the following operation on it **at most once**: - Choose an element $A_i$ and change it to $A_i+1$. Find the **maximum** count of subarrays having **at least one even** element after performing the operation at most once. ### Input - The first line of input will contain a single integer $T$, denoting the number of test cases

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