Temirlan's blog

USP-ICMC 2015

By Temirlan, history, 9 years ago, In Russian

How to solve I ,J ?

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9 years ago, # |
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I — Max flow, but greedy also works.

J — For each sprayer find walls positions when the sprayer is blocked — you'll get a bunch of segments, then just find point covered by maximum number of segments.

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    9 years ago, # ^ |
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    Please can you explain J a little more ? I can't understand the idea.

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