NeetCode #229LC-3208MediumSliding Window
← Back to All Problems#229 · #3208 · Alternating Groups II(交替组 II)
📌 Problem Statement & Constraints
There is a circle of
colors[i] (0 or 1) and an integer k. An alternating group of size k is k consecutive tiles on the circle whose colours alternate. Return the number of such groups. Constraints: 3 <= colors.length <= 10^5, colors[i] is 0 or 1, 1 <= k <= colors.length.🔒
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