24.27 Measure with defective jugs

#1

For this problem, I went off to a completely different approach than that explained in the example provided in the solution. I do not understand the approach provided in the example -

if we use jug A for the last step, we need to measure at least 2100 - 230 = 1870mL. and at most 2300 - 240 = 2060mL.

Shouldn’t the at least be 2100 - 240 =1860mL and at most 2300 - 230 = 2070mL ?

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#2

Hi @testUser,

Your idea is just it “might” work, but the problem is asking for a scheme that “always” work. So you need to make safe move here.

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