OJ-Problems-Source/HDOJ/2609_autoAC.cpp
2016-08-24 18:19:33 +08:00

100 lines
1.8 KiB
C++

#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<math.h>
typedef struct TNode{
struct TNode *left,*right;
int shit;
}Node;
Node p;
Node *root=&p;
Node *newnode()
{
Node *u=(Node*) malloc(sizeof(Node));
u->left=NULL;
u->right=NULL;
u->shit=0;
return u;
}
int addnode(char *s,int n)
{
int fuck=0,i;
Node *u=root;
for(i=0;i<n;i++)
{
if(s[i]=='0')
{
if(u->left==NULL)
u->left=newnode();
u=u->left;
if(u->shit==0) {fuck=1;u->shit=1;}
}
else if(s[i]=='1')
{
if(u->right==NULL)
u->right=newnode();
u=u->right;
if(u->shit==0) {fuck=1;u->shit=1;}
}
}
return fuck;
}
int min(int x,int y)
{
if(x<=y)
return x;
return y;
}
int huiliyi(char *s,int n)
{
int i,j,k,t;
i=0;j=1;k=0;
while(i<n&&j<n&&k<n)
{
t=s[(i+k)%n]-s[(j+k)%n];
if(t==0) ++k;
else
{
if(t<0) j=j+k+1;
else
i=i+k+1;
k=0;
if(i==j) ++j;
}
}
return min(i,j);
}
void remove(Node *u)
{
if(u==NULL) return;
remove(u->left);
remove(u->right);
u->shit=0;
}
int main()
{
int t,sum,n,x,i,j;
char s[105],c[105];
while(scanf("%d",&t)==1)
{
getchar();
sum=0;
while(t--)
{
scanf("%s",s);
n=strlen(s);
x=huiliyi(s,n);
j=0;
for(i=x;i<n;i++)
c[j++]=s[i];
for(i=0;i<x;i++)
c[j++]=s[i];
sum=sum+addnode(c,n);
}
printf("%d\n",sum);
remove(root->left);
remove(root->right);
}
return 0;
}