The Lego Way

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Have you ever heard of the great lego way? Neither have we. But anyways we have to reconstruct the ancient broken lego way, the lego way is made of blocks of dimensions 1x1, but it used to be a magnificent structure going upwards like stairs, i.e each pillar in this lego way was one higher than the one before it. If it is represented as an array $Arr[i] = 1 + Arr[i-1]$. You are given the

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solution.cppC++17

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