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baneHunterIn Reply To:多重背包 Posted by:1340502116 at 2016-03-09 11:23:47 > #include<cstdio> > #include<cstring> > #include<algorithm> > using namespace std; > int W,n; > int w[10005]; > int cnt; > int dp[100005]; > int main() > { > while(scanf("%d%d",&W,&n)!=EOF) > { > memset(dp,0,sizeof(dp)); > cnt=0; > for(int i=0;i<n;i++) > { > int b,v; > scanf("%d%d",&b,&v); > int e=1; > while(e<=b) > { > w[cnt++]=e*v; > b-=e; > e<<=1; > } > w[cnt++]=b*v; > } > > for(int i=0;i<cnt;i++) > for(int j=W;j>=w[i];j--) > dp[j]=max(dp[j],dp[j-w[i]]+w[i]); > > printf("%d\n",dp[W]); > } > > return 0; > } Followed by: Post your reply here: |
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