#pragma GCC optimize("Ofast,unroll-loops")
// #pragma comment(linker, "/stack:200000000")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma,tune=native")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef int ll;
typedef long double ld;
typedef pair <ll, ll> pll;
#ifdef SINA
#define dbg(...) __f(#__VA_ARGS__, __VA_ARGS__)
template <typename Arg1> void __f(const char* name, Arg1&& arg1) { cout << name << " : " << arg1 << std::endl; }
template <typename Arg1, typename... Args> void __f (const char* names, Arg1&& arg1, Args&&... args) {
const char* comma = strchr(names + 1, ',');cout.write(names, comma - names) << " : " << arg1<<" | ";__f(comma+1, args...); }
#define dbg2(x, j, n) cout<< #x << " : "; output((j), (n), x, 1); cout.flush();
#else
#define dbg(...) 0
#define dbg2(x, j, n) 0
#endif
#define SZ(x) ((ll)((x).size()))
#define File(s, t) freopen(s ".txt", "r", stdin); freopen(t ".txt", "w", stdout);
#define input(j, n, a) for (int _i = (j); _i < (n)+(j); _i++) cin>> a[_i];
#define output(j, n, a, t) for (int _i = (j); _i < (n)+(j); _i++) cout<< a[_i] << (((t) && _i != (n)+(j)-1)? ' ' : '\n');
#define kill(x) return cout<< (x) << endl, 0
#define cl const ll
#define fr first
#define sc second
#define lc (v << 1)
#define rc (lc | 1)
#define mid ((l + r) >> 1)
#define All(x) (x).begin(), (x).end()
cl inf = sizeof(ll) == 4 ? (1e9 + 10) : (3e18), mod = 1e9 + 7, MOD = 998244353;
template <class A,class B> ostream& operator << (ostream& out,const pair<A,B>&a){return out<<'('<<a.first<<", "<<a.second<<')';}
template <class A> ostream& operator << (ostream& out, const vector<A> &a) {
out<< '['; for (int i = -1; ++i < int(a.size());) out<< a[i] << (i + 1 < int(a.size()) ? ", " : ""); return out<<']'; }
template <class T, typename _t = less <T> > using Tree = tree <T, null_type, _t, rb_tree_tag, tree_order_statistics_node_update>;
#define ask(l, r, x) ll(upper_bound(All(x), r) - lower_bound(All(x), l))
cl N = 1e5 + 7, K = 2e6 + 7;
ll tin [K], tout [K], chr [26], n, q;
string s [N], t1, t2;
ll tr [K][4], lst, tr2 [K][4], lst2;
vector <ll> id [K], id2 [K];
inline void add2 (const string &_s, cl &_id) {
ll cur = 0;
for (auto &ch : _s) {
id2[cur].push_back(_id);
if (!tr2[cur][chr[ch - 'A']]) tr2[cur][chr[ch - 'A']] = ++lst2;
cur = tr2[cur][chr[ch - 'A']];
}
id2[cur].push_back(_id);
}
inline void add (const string &_s, cl &_id) {
ll cur = 0;
for (auto &ch : _s) {
if (!tr[cur][chr[ch - 'A']]) tr[cur][chr[ch - 'A']] = ++lst;
cur = tr[cur][chr[ch - 'A']];
}
id[cur].push_back(_id);
}
void _sort (cl &v = 0) {
tin[v] = lst + 1;
for (auto &x : id[v]) add2(s[x], ++lst);
if (tr[v][0]) _sort(tr[v][0]);
if (tr[v][1]) _sort(tr[v][1]);
if (tr[v][2]) _sort(tr[v][2]);
if (tr[v][3]) _sort(tr[v][3]);
tout[v] = lst;
}
ll get_id (const string &_s) {
ll cur = 0;
for (auto &ch : _s) {
if (!tr[cur][chr[ch - 'A']]) return -1;
cur = tr[cur][chr[ch - 'A']];
}
return cur;
}
ll get_id2 (const string &_s) {
ll cur = 0;
for (auto &ch : _s) {
if (!tr2[cur][chr[ch - 'A']]) return -1;
cur = tr2[cur][chr[ch - 'A']];
}
return cur;
}
ll solve () {
cin>> t1 >> t2;
ll x = get_id(t1);
if (!~x) return 0;
ll y = get_id2(t2);
if (!~y) return 0;
return max(0, ask(tin[x], tout[x], id2[y]));
}
int main ()
{
ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
chr['A' - 'A'] = 0, chr['C' - 'A'] = 1, chr['G' - 'A'] = 2, chr['U' - 'A'] = 3;
cin>> n >> q;
for (ll i = 1; i <= n; i++) {
cin>> s[i];
add(s[i], i);
reverse(All(s[i]));
}
lst = 0; _sort();
for (; q--;) cout<< solve() << '\n';
cerr<< "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n";
return 0;
}
/*
2 4
AUGC
AGC
G C
AU C
A C
C C
*/
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
55 ms |
97404 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
237 ms |
192420 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
78 ms |
98756 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
55 ms |
97404 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
