deletions | additions       diff --git a/a) As few classrooms as possible.tex b/a) As few classrooms as possible.tex  index 6d280dd..5f8ffe0 100644  --- a/a) As few classrooms as possible.tex  +++ b/a) As few classrooms as possible.tex 
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\begin{subequations}  \begin{align*}  T(n) = c_0 + n\log{n} + \sum_{i=1}^{n-1} \left[ c_1 + \log{i} + \sum_{j=1}^i \Big[ c_2 \Big] \right]  + 1  \left[ c_1 + \sum_{i=1}^{n-1} \Big[ \log{i} \Big] + \log{1} \right] \end{align*}  \end{subequations}