$ Loj \ 6045 $ [Yali training $ 2017 \ Day8 $] price of network flow

Positive Solutions: Network Flow

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Portal $ QwQ $

This problem also, very interesting to me was $ jio $.

First, consider still shining minimum cut mold construction diagram chant, then up analysis from meaning, a cutting edge is equivalent to a weight loss drug eat / buy one kind of medicine. Was made known, the number of medicines to buy and eat an equal number of slimming products, so long as consideration of the number of cutting edges meet exactly equal to n-$ $ $ QwQ $ like

And because the cut of the situation to appear at least to cut $ n $ strip (apparently there is a ,, ,,,? Bother to permit the $ QwQ $

So now we must consider cutting the number of sides must be minimal

It is not clear that the traffic will be able to achieve a particularly large Well $ QwQ $

Also, because to $ \ sum P_ {i} $ take $ min $, so have become $ inf-p_ {i} $ to become

Then finish spicy! $ Over $

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$ Jio $ flu just about to say next principle did not say in detail how to build map? $ QwQ $

Consider obesity agent and herbs were built even $ inf $, $ T $ herbs and even $ inf $, $ S $ and even diet pills $ inf-p_ {i} $ points between each other in a row.

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