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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#363536 | #2343. First of Her Name | TWTP_TCTF# | WA | 0ms | 3868kb | C++17 | 2.2kb | 2024-03-23 23:59:02 | 2024-03-23 23:59:03 |
Judging History
answer
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int N = 3e5 + 5, mod = 1e9 + 7, A = 26;
/*
int trie[N][A];
int go[N][A]; ///holds the node that you will go to after failure and stuff
int fail[N]; ///the failure function for each
ll ans[N];
*/
struct SA {
struct node {
int to[26];
int link, len;
ll co = 0;
node() {
memset(to, 0, sizeof to);
co = 0, link = 0, len = 0;
}
};
int last, sz;
vector<node> v;
SA(int n) {
v = vector<node>(n + 1);
last = 0, sz = n + 1;
}
void add_letter(int c, int last, int p) {
v[last].len = v[p].len + 1;
v[last].co = 1;
for (; v[p].to[c] == 0; p = v[p].link)
v[p].to[c] = last;
if (v[p].to[c] == last) {
v[last].link = 0;
return;
}
int q = v[p].to[c];
if (v[q].len == v[p].len + 1) {
v[last].link = q;
return;
}
int cl = sz++;
v.push_back(v[q]);
v.back().co = 0;
v.back().len = v[p].len + 1;
v[last].link = v[q].link = cl;
for (; v[p].to[c] == q; p = v[p].link)
v[p].to[c] = cl;
}
void build_co() {
priority_queue<pair<int, int>> q;
for (int i = sz - 1; i > 0; i--)
q.push({v[i].len, i});
while (q.size()) {
int i = q.top().second;
q.pop();
v[v[i].link].co += v[i].co;
}
}
};
SA *sa;
ll solve(string s) {
std::reverse(s.begin(), s.end());
int cur = 0;
for (auto ch: s) {
if (sa->v[cur].to[ch - 'A'] == 0)return 0;
cur = sa->v[cur].to[ch - 'A'];
}
return sa->v[cur].co;
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n, q;
cin >> n >> q;
sa = new SA(n);
for (int i = 0; i < n; ++i) {
char x;
int p;
cin >> x >> p;
x -= 'A';
sa->add_letter(x,i+1, p);
}
sa->build_co();
while (q--) {
string s;
cin >> s;
cout << solve(s) << '\n';
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3636kb
Test #2:
score: 0
Accepted
time: 0ms
memory: 3572kb
Test #3:
score: 0
Accepted
time: 0ms
memory: 3868kb
Test #4:
score: 0
Accepted
time: 0ms
memory: 3832kb
Test #5:
score: 0
Accepted
time: 0ms
memory: 3628kb
Test #6:
score: 0
Accepted
time: 0ms
memory: 3608kb
Test #7:
score: 0
Accepted
time: 0ms
memory: 3844kb
Test #8:
score: -100
Wrong Answer
time: 0ms
memory: 3608kb