delete pics to save space

2.11732.cpp

@@ -0,0 +1,65 @@
+#include<cstdio>
+#include<cstring>
+#include<algorithm>
+using namespace std;
+typedef long long LL;
+int son[4000010],bro[4000010],l[4010],n,sz;
+LL size[4000010];
+char ch[4000010],s[4010][1010];
+void init()
+{
+	int i;
+	for(i=1;i<=n;i++)
+	{
+		scanf("%s",s[i]+1);
+		l[i]=strlen(s[i]+1);
+	}
+	memset(son,0,sizeof(son));
+	memset(bro,0,sizeof(bro));
+	sz=0;
+}
+LL solve()
+{
+	init();
+	int i,j,k,p,tmp;
+	bool flag;
+	LL res=0,last;
+	for(i=1;i<=n;i++)
+	{
+		p=0;
+		last=i-1;
+		for(j=1;j<=l[i]+1;j++)
+		{
+			flag=0;
+			for(k=son[p];k;tmp=k,k=bro[k])
+				if(ch[k]==s[i][j])
+				{
+					flag=1;
+					break;
+				}
+			if(flag) p=k;
+			else
+			{
+				if(!son[p]) son[p]=++sz;
+				else bro[tmp]=++sz;
+				p=sz;
+				ch[p]=s[i][j];
+				size[p]=0;
+			}
+			res+=size[p]+last;
+			last=size[p];
+			size[p]++;
+		}
+	}
+	return res;
+}
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+    int K=0;
+    while(scanf("%d",&n)==1&&n)
+        printf("Case %d: %lld\n",++K,solve());
+    return 0;
+}