#include <bits/stdc++.h>
const int maxn = 2e5 + 5;
using namespace std;
struct Trie{
int nex[maxn][26], fail[maxn], end[maxn];
int root, p;
inline int newnode() {
for (int i = 0; i < 26; ++i) {
nex[p][i] = -1;
}
end[p++] = 0;
return p - 1;
}
inline void init() {
p = 0;
root = newnode();
}
inline void insert(char *buf) {
int now = root;
for (int i = 0; buf[i]; ++i) {
if (nex[now][buf[i]-'a'] == -1)
nex[now][buf[i]-'a'] = newnode();
now = nex[now][buf[i]-'a'];
}
end[now]++;
}
inline void build() {
queue<int> que;
fail[root] = root;
for (int i = 0; i < 26; ++i) {
if (nex[root][i] == -1)
nex[root][i] = root;
else {
fail[nex[root][i]] = root;
que.push(nex[root][i]);
}
}
while (!que.empty()) {
int now = que.front();
que.pop();
for (int i = 0; i < 26; ++i) {
if (nex[now][i] == -1)
nex[now][i] = nex[fail[now]][i];
else {
fail[nex[now][i]] = nex[fail[now]][i];
que.push(nex[now][i]);
}
}
}
}
}L, R;
icontofig
|
发布于 2020-01-27 16:34:36
|
阅读量 604
|
字符串
发布于 2020-01-27 16:34:36
|
字符串
内容更新于： 2020-01-27 16:34:36
链接地址： http://blog.leanote.com/post/icontofig/%E4%B8%80%E4%B8%AA%E7%9C%8B%E8%B5%B7%E6%9D%A5%E9%A3%9E%E5%BF%AB%E7%9A%84ACzi-zo
链接地址： http://blog.leanote.com/post/icontofig/%E4%B8%80%E4%B8%AA%E7%9C%8B%E8%B5%B7%E6%9D%A5%E9%A3%9E%E5%BF%AB%E7%9A%84ACzi-zo
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