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Re:空间一维的01背包,内详,转移方程In Reply To:空间一维的01背包,内详,转移方程 Posted by:lqp18_31 at 2009-07-28 14:12:14 > for( int i=1 ; i<=N; i++)
> {
> if( a[ i ]>0 )
> for( int j=MAX-1 ; j>=a[ i ] ; j--)
> f[ j ]=max( f[ j ] , f[ j-a[ i ] ]+b[ i ] );
> else{
> a[ i ]=-a[ i ];
> for( int j=0 ; j+a[ i ]<MAX ; j++)
> f[ j ]=max( f[ j ] , f[ j+a[ i ] ]+b[ i ] );
> }
> }
>
> best=max( f[ i ]+i-MID , best );
MAX是什么意思?
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