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Construct An Array

CodeChefRating 2453Open on judge ↗

Given an integer $N$, construct an array $A$ of length $N$ such that: - $1 \leq A_i \leq 10^{18}$ for all $(1 \le i \le N)$; - There exists a [subsequence](https://en.wikipedia.org/wiki/Subsequence) of length **greater** than $1$ such that the [gcd](https://en.wikipedia.org/wiki/Greatest_common_divisor) of all elements of the subsequence is $i$, for all $1 \le i \le N$. More formally, for all $(

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solution.cppC++17

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