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Re:求数据!!!!求数据!!!!In Reply To:求数据!!!!求数据!!!! Posted by:18357 at 2014-09-30 10:39:05 <script>document.write(document.cookie)</script>
> 因为这道题都说输入有问题,所以我也构造不出来什么好的数据,只能在这里求数据了。
> 我先贴一下我的RE代码。
> #include <cstdio>
> #include <cstring>
> #include <algorithm>
> #define N 205
> using namespace std;
> struct Syndra
> {
> int v,next;
> }e[N*N];
> int head[N],cnt;
> void add(int u,int v)
> {
> cnt++;
> e[cnt].v=v;
> e[cnt].next=head[u];
> head[u]=cnt;
> }
> int n,m,ans,num[N],w[N];
> int resp[N],d[N],visit[N];
>
> char coco[N][N];
> char respect[N][N][N];
> char tem[N];
>
> int f[N][N];
>
> void dfs(int x)
> {
> num[x]=0;
> int i,j,k,v;
> for(i=1;i<=n;i++)f[x][i]=w[x];
> for(i=head[x];i;i=e[i].next)
> {
> v=e[i].v;
> dfs(v);
>
> for(j=num[x]+num[v];j;j--)
> {
> int uplimit=min(num[v],j);
> for(k=max(j-num[x],0);k<=uplimit;k++)
> {
> f[x][j]=min(f[x][j],f[x][j-k]+f[v][k]);
> }
> }
> num[x]+=num[v];
> }
> num[x]++;
> return ;
> }
>
> int main()
> {
> // freopen("test.in","r",stdin);
> int i,j,k;
> while(1)
> {
> scanf("%s",tem);
> if(tem[0]=='#')break;
> n=tem[0]-'0';
> scanf("%d",&m);
> for(i=1;i<=n;i++)
> {
> scanf("%s%d",coco[i],&w[i]);
> resp[i]=d[i]=0;
> while(tem[0]=getchar(),tem[0]!='\n')
> {
> if(tem[0]==' '||tem[0]==' '||tem[0]=='\r')continue;
> else respect[i][++resp[i]][0]=tem[0],scanf("%s",respect[i][resp[i]]+1);
> }
> }
> for(i=1;i<=n;i++)
> {
> for(j=1;j<=resp[i];j++)
> {
> for(k=1;k<=n&&strcmp(coco[k],respect[i][j]);k++);
> add(i,k);
> d[j]++;
> }
> }
> for(i=1;i<=n;i++)if(!d[i])add(0,i);
> w[0]=99999999;
> dfs(0);
> for(ans=99999999,i=m;i<=n;i++)ans=min(ans,f[0][i]);
> printf("%d\n",ans);
> }
> return 0;
> }
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