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| #include <cstdio>
#include <queue>
#include <vector>
#include <string>
#include <cstring>
#include <iostream>
#include <algorithm>
using namespace std;
const int N = 36e4 + 10, M = 6e4 + 10, Q = 1e4 + 10;
char s[N];
int n, m;
string qry[Q];
vector <int> g[N];
namespace LCA
{
const int K = 25;
int d[N];
int stmp, id[N], st[N << 1][K], lg[N << 1];
void dfs (int x)
{
st[id[x] = ++stmp][0] = x;
for (int i : g[x])
{
d[i] = d[x] + 1;
dfs(i);
st[++stmp][0] = x;
}
}
int dmin (int x, int y)
{
return d[x] < d[y] ? x : y;
}
void init()
{
d[0] = 1;
dfs(0);
for (int i = 2; i <= stmp; i++)
lg[i] = lg[i >> 1] + 1;
for (int k = 1; (1 << k) <= stmp; k++)
for (int i = 1; i + (1 << k) - 1 <= stmp; i++)
st[i][k] = dmin(st[i][k - 1], st[i + (1 << k - 1)][k - 1]);
}
int lca (int x, int y)
{
x = id[x], y = id[y];
x > y && (swap(x, y), 0);
int k = lg[y - x + 1];
return dmin(st[x][k], st[y - (1 << k) + 1][k]);
}
}
namespace Trie
{
int id[M], c[N];
int stmp, dfn[N], sz[N];
int idx, cnt[N], nxt[N], tr[N][26];
namespace BIT
{
int tr[N];
void add (int x, int k)
{
for (; x <= stmp; x += x & -x)
tr[x] += k;
}
int query (int x)
{
int res = 0;
for (; x; x -= x & -x)
res += tr[x];
return res;
}
}
void insert (int x, int len, char *str)
{
int p = 0;
for (int i = 1; i <= len; i++)
{
int &t = tr[p][str[i] - 'a'];
!t && (t = ++idx);
p = t;
}
id[x] = p;
}
void build ()
{
queue <int> q;
for (int i = 0; i < 26; i++)
tr[0][i] && (q.push(tr[0][i]), 0);
while (!q.empty())
{
int t = q.front();
q.pop();
for (int i = 0; i < 26; i++)
{
int &p = tr[t][i];
if (!p)
p = tr[nxt[t]][i];
else
{
nxt[p] = tr[nxt[t]][i];
q.push(p);
}
}
g[nxt[t]].push_back(t);
}
}
void dfs (int x)
{
sz[x] = 1;
dfn[x] = ++stmp;
for (int i : g[x])
{
dfs(i);
sz[x] += sz[i];
}
}
void init()
{
for (int i = 1; i <= m; i++)
{
scanf("%s", s + 1);
insert(i, strlen(s + 1), s);
}
build();
}
bool cmp (int a, int b)
{
return dfn[a] < dfn[b];
}
int main ()
{
dfs(0);
for (int k = 0; k < n; k++)
{
vector <int> q;
int p = 0;
for (int i = 0; i < qry[k].size(); i++)
q.push_back(p = tr[p][qry[k][i] - 'a']);
sort(q.begin(), q.end(), cmp);
for (int i : q)
BIT::add(dfn[i], 1);
for (int i = 1; i < q.size(); i++)
BIT::add(dfn[LCA::lca(q[i], q[i - 1])], -1);
}
for (int i = 1; i <= m; i++)
printf("%d\n", BIT::query(dfn[id[i]] + sz[id[i]] - 1) - BIT::query(dfn[id[i]] - 1));
return 0;
}
}
int main ()
{
scanf("%d%d", &n, &m);
for (int i = 0; i < n; i++)
cin >> qry[i];
Trie::init();
LCA::init();
return Trie::main();
}
|