Cherry and Pyramid

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Cherry has a string $S$ consisting of lowercase English letters. Using this string, he formed a pyramid of infinite length with certain rules: 1. $N$-th row of pyramid contains $N$ characters. 2. Each row of pyramid begins with the first character of the string. 3. The subsequent characters of the row are appended to the string in cyclic fashion, until the size of string for that Row is reach

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solution.cppC++17

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