Leetcode 3400. Maximum Number of Matching Indices After Right Shifts

Given two equal-length arrays (or strings), find the circular right-shift of one array that maximizes the number of indices where the shifted array equals the other, and return that maximum count — the challenge is to compute this efficiently for large n by reasoning about relative index offsets.

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Leetcode 3400. Maximum Number of Matching Indices After Right Shifts

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