10532 - Combination! Once Again

All about problems in Volume 105. If there is a thread about your problem, please use it. If not, create one with its number in the subject.

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lighted
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Re: 10532 - Combination! Once Again

Post by lighted » Tue Mar 14, 2017 3:07 pm

You can solve it with DP by deriving recurrent formula.
A person who sees the good in things has good thoughts. And he who has good thoughts receives pleasure from life... Bediuzzaman

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