OJ-Problems-Source/HDOJ/2920_autoAC.cpp

95 lines
2.3 KiB
C++

#include <iostream>
#include <cstring>
#include <cstdio>
#include <cmath>
#include <algorithm>
#include <string>
using namespace std;
#define ll long long
#define N 105000
struct Obj
{
int sign,len;
ll val;
}obj[N];
ll p[N],ha[N];
int tot;
void init(char *s)
{
int len=strlen(s);
tot=0;
for(int i=0,nxt=0;i<len;i=nxt)
{
if(s[i]=='#') obj[tot++].sign=1,nxt=i+1;
else if(s[i]=='*') obj[tot++].sign=0,nxt=i+1;
else
{
ll t=0;
while(nxt<len&&s[nxt]!='#'&&s[nxt]!='*')
{
t=t*133+s[nxt];
nxt++;
}
obj[tot].sign=-1;
obj[tot].val=t;
obj[tot++].len=nxt-i;
}
}
}
bool solve(char *s)
{
int len=strlen(s+1);
ha[0]=0;
for(int i=1;i<=len;++i) ha[i]=ha[i-1]*133+s[i];
int cur=1;
for(int i=0;i<tot&&cur<=len+1;++i)
{
if(obj[i].sign==1) cur++;
else if(obj[i].sign<0)
{
if(i==0)
{
if(obj[i].len>len || ha[obj[i].len]!=obj[i].val) return false;
cur+=obj[i].len;
continue;
}
if(i==tot-1)
{
if(cur+obj[i].len>len+1) return false;
if((len+1-(cur+obj[i].len))%2) return false;
cur=len+1-obj[i].len;
return ha[cur+obj[i].len-1]-ha[cur-1]*p[obj[i].len]==obj[i].val;
}
while(cur<=len+1&&cur+obj[i].len<=len+1)
{
if(ha[cur+obj[i].len-1]-ha[cur-1]*p[obj[i].len]==obj[i].val) break;
cur+=2;
}
if(cur>len+1||cur+obj[i].len>len+1) return false;
cur+=obj[i].len;
}
}
--cur;
return cur<=len&&(len-cur)%2==0;
}
char s[N];
int main ()
{
p[0]=1;
for(int i=1;i<N;++i) p[i]=p[i-1]*133;
int ncase1=0,ncase2=0;
while(scanf("%s",s) && s[0]!='Q')
{
init(s);
ncase1++;ncase2=0;
while(scanf("%s",s+1) && s[1]!='E' && s[1]!='Q')
{
printf("%d.%d. ",ncase1,++ncase2);
if(solve(s)) printf("match\n");
else printf("not\n");
}
if(s[1]=='Q') break;
}
return 0;
}