HBC25029仓鼠不玩炉石传说,思维[USACO 2007 Dec S]Charm Bracelet题解

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Bessie has gone to the mall's jewelry store and spies a charm bracelet. Of course, she'd like to fill it with the best charms possible from the N available charms. Each charm i in the supplied list has a weight Wi , a 'desirability' factor Di , and can be used at most once. Bessie can only support a charm bracelet whose weight is no more than M .Given that weight limit as a constraint and a list of the charms with their weights and desirability rating, deduce the maximum possible sum of ratings.

Bessie has gone to the mall's jewelry store and spies a charm bracelet. Of course, she'd like to fill it with the best charms possible from the N (1 ≤ N ≤ 3,402) available charms. Each charm i in the supplied list has a weight Wi (1 ≤ Wi ≤ 400), a 'desirability' factor Di (1 ≤ Di ≤ 100), and can be used at most once. Bessie can only support a charm bracelet whose weight is no more than M (1 ≤ M ≤ 12,880). Given that weight limit as a constraint and a list of the charms with their weights and desirability rating, deduce the maximum possible sum of ratings.

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标签： HBC25029仓鼠不玩炉石传说 思维[USACO 2007 Dec S]Charm Bracelet题解