Editorial for Mock CCC '19 Contest 2 J3 - Tudor Buys Some Tea
Remember to use this editorial only when stuck, and not to copy-paste code from it. Please be respectful to the problem author and editorialist.
Submitting an official solution before solving the problem yourself is a bannable offence.
Submitting an official solution before solving the problem yourself is a bannable offence.
To solve the subtask, note that Tudor will not be able to get any free tea.
Therefore, the answer is .
To solve the problem, we need to compute the maximum number of free cups of tea
that Tudor can obtain. If we think about "bundles" of cups of tea, where
Tudor buys
cups of tea and gets one cup of free tea, we note that
Tudor can get exactly
bundles,
which is exactly how many cups of free tea he can get. Therefore, the answer
is
.
Comments