Algorithm Solutions for Codeforces Educational Round 164
A. Ribbon Coloring Strategy
Alice's optimal strategy is to color the ribbon in a repeating pattern like "123123...". Bob's optimal counter-strategy is to recolor the ribbon to the most frequent color.
The most frequent color appears at least ⌈n/m⌉ times, leaving Bob with at most (n - ⌈n/m⌉) recoloring operations. Compare this value wi ...
Posted on Fri, 19 Jun 2026 16:00:53 +0000 by []InTeR[]
Understanding Array Data Structures: Operations and Performance
An array represents a linear data structure that utilizes a contiguous block of memory to store elements of the same data type. Linear Data Structures
Linear data structures organize elements in a sequential manner where each element has at most one predecessor and one successor. Besides arrays, common linear structures include linked lists, qu ...
Posted on Sun, 10 May 2026 09:50:42 +0000 by Smiffy