trulo_17's blog

Round #13 problem C
By trulo_17, 16 years ago, In English
So.....what's the idea behind this problem? I know is greedy, but could someone shed some light on this? Thx in advance.
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16 years ago, hide # |
 
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An idea by maksay
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16 years ago, hide # |
 
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Problem C is just a DP problem.
It's clear that the number will change to T that T = x[i].
If not , we can make less changes.

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