Editorial for DMOPC '15 Contest 1 P2 - Itami and Squad

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Author: cheesecake

To simulate each squad leader picking the best available soldier, sort the strengths of the soldiers in non-increasing order. We then iterate through the array starting with soldier R-1 (in a 0-index array) and increment by L, adding their respective strengths will result in the maximum strength of Itami's squad.

Time Complexity: \mathcal{O}(N \log N)


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