delete pics to save space

2.10817.cpp

@@ -0,0 +1,45 @@
+#include<iostream>
+#include<sstream>
+#include<cstring>
+#include<algorithm>
+using namespace std;
+const int maxn=125,maxs=8,oo=1000000000;
+int m,n,s,c[maxn],st[maxn],d[maxn][1<<maxs][1<<maxs],x;
+int dp(int i,int s0,int s1,int s2)
+{
+	if(i>=m+n) return s2==(1<<s)-1?0:oo;
+	int &res=d[i][s1][s2];
+	if(res>=0) return res;
+	res=oo;
+	if(i>=m) res=dp(i+1,s0,s1,s2);
+	int m0=st[i]&s0,m1=st[i]&s1;
+	s0^=m0;
+	s1=(s1^m1)|m0;
+	s2|=m1;
+	res=min(res,c[i]+dp(i+1,s0,s1,s2));
+  	return res;
+}
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+	string str;
+	while(getline(cin,str))
+	{
+		stringstream ss(str);
+		ss>>s>>m>>n;
+		if(s==0) break;
+		for(int i=0;i<m+n;i++)
+		{
+			getline(cin,str);
+			stringstream ss(str);
+			ss>>c[i];
+			st[i]=0;
+			while(ss>>x) st[i]|=(1<<(x-1));
+		}
+		memset(d,-1,sizeof(d));
+		cout<<dp(0,(1<<s)-1,0,0)<<endl;
+	}
+	return 0;
+}