Topcoder SRM 645 will be held tomorrow (Monday) at 11:00 AM EST (see below for your time zone). Official announcement here.
So, see here for the time of Monday's round. This thread can be used for pre/post-contest discussion.
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CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
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CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
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How do you solve 250 for Div 1? I saw some dp solutions in my room but I cannot understand it.. Thanks in advance.