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*/
/*
* powered by ANDRIY POPYK
* in honor of MYSELF and SEGMENT DECOMPOSITION and N^(log(N)) and (Harry Potter and the Methods of Rationality) and Monkie D. Luffy
*/
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
//#pragma GCC optimize("O3")
//#pragma GCC target("avx,avx2,fma")
//#pragma GCC optimization ("unroll-loops")
//#pragma GCC target("avx,avx2,sse,sse2,sse3,sse4,popcnt")
using namespace std;
using namespace __gnu_pbds;
//#define int long long
#define float long double
#define elif else if
#define endl "\n"
#define mod 1000000007
#define pi acos(-1)
#define eps 0.000000001
#define inf 1000'000'000'000'000'000LL
#define FIXED(a) cout << fixed << setprecision(a)
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define time_init auto start = std::chrono::high_resolution_clock::now()
#define time_report \
auto end = std::chrono::high_resolution_clock::now(); \
std::cout << std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count() << " ms" << endl
#define debug(x) \
{ cerr << #x << " = " << x << endl; }
#define len(x) (int) x.size()
#define sqr(x) ((x) * (x))
#define cube(x) ((x) * (x) * (x))
#define bit(x, i) (((x) >> (i)) & 1)
#define set_bit(x, i) ((x) | (1LL << (i)))
#define clear_bit(x, i) ((x) & (~(1LL << (i))))
#define toggle_bit(x, i) ((x) ^ (1LL << (i)))
#define low_bit(x) ((x) & (-(x)))
#define count_bit(x) __builtin_popcountll(x)
#define srt(x) sort(all(x))
#define rsrt(x) sort(rall(x))
#define mp make_pair
#define maxel(x) (*max_element(all(x)))
#define minel(x) (*min_element(all(x)))
#define maxelpos(x) (max_element(all(x)) - x.begin())
#define minelpos(x) (min_element(all(x)) - x.begin())
#define sum(x) (accumulate(all(x), 0LL))
#define product(x) (accumulate(all(x), 1LL, multiplies<int>()))
#define gcd __gcd
#define lcm(a, b) ((a) / gcd(a, b) * (b))
#define rev(x) (reverse(all(x)))
#define shift_left(x, k) (rotate(x.begin(), x.begin() + k, x.end()))
#define shift_right(x, k) (rotate(x.rbegin(), x.rbegin() + k, x.rend()))
#define is_sorted(x) (is_sorted_until(all(x)) == x.end())
#define is_even(x) (((x) &1) == 0)
#define is_odd(x) (((x) &1) == 1)
#define pow2(x) (1LL << (x))
struct custom_hash {
static uint64_t splitmix64(uint64_t x) {
// http://xorshift.di.unimi.it/splitmix64.c
x += 0x9e3779b97f4a7c15;
x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
return x ^ (x >> 31);
}
size_t operator()(uint64_t x) const {
static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
return splitmix64(x + FIXED_RANDOM);
}
};
template<typename T>
using min_heap = priority_queue<T, vector<T>, greater<T>>;
template<typename T>
using max_heap = priority_queue<T, vector<T>, less<T>>;
template<typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T>
using ordered_multiset = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T>
using matrix = vector<vector<T>>;
template<typename T>
using graph = vector<vector<T>>;
using hashmap = gp_hash_table<int, int, custom_hash>;
template<typename T>
vector<T> vect(int n, T val) {
return vector<T>(n, val);
}
template<typename T>
vector<vector<T>> vect(int n, int m, T val) {
return vector<vector<T>>(n, vector<T>(m, val));
}
template<typename T>
vector<vector<vector<T>>> vect(int n, int m, int k, T val) {
return vector<vector<vector<T>>>(n, vector<vector<T>>(m, vector<T>(k, val)));
}
template<typename T>
vector<vector<vector<vector<T>>>> vect(int n, int m, int k, int l, T val) {
return vector<vector<vector<vector<T>>>>(n, vector<vector<vector<T>>>(m, vector<vector<T>>(k, vector<T>(l, val))));
}
template<typename T>
matrix<T> new_matrix(int n, int m, T val) {
return matrix<T>(n, vector<T>(m, val));
}
template<typename T>
graph<T> new_graph(int n) {
return graph<T>(n);
}
template<class T, class S>
inline bool chmax(T &a, const S &b) {
return (a < b ? a = b, 1 : 0);
}
template<class T, class S>
inline bool chmin(T &a, const S &b) {
return (a > b ? a = b, 1 : 0);
}
using i8 = int8_t;
using i16 = int16_t;
using i32 = int32_t;
using i64 = int64_t;
using i128 = __int128_t;
using u8 = uint8_t;
using u16 = uint16_t;
using u32 = uint32_t;
using u64 = uint64_t;
using u128 = __uint128_t;
template<typename T>
using vec = vector<T>;
using pII = pair<int, int>;
template<typename T>
using enumerated = pair<T, int>;
struct node {
array<int, 4> next;
int cnt = 0;
int is_terminal = 0;
};
int cur_size = 0;
node nodes[60000000];
int new_node() {
node v;
v.next.fill(-1);
nodes[cur_size] = v;
cur_size++;
return cur_size - 1;
}
void insert(int root, const vec<int> &s) {
int v = root;
nodes[v].cnt++;
for (int i: s) {
if (nodes[v].next[i] == -1) {
nodes[v].next[i] = new_node();
}
v = nodes[v].next[i];
nodes[v].cnt++;
}
nodes[v].is_terminal++;
}
int initialize() {
return new_node();
}
int calc(int root, const vec<int> &t) {
// node *v = root;
// for (int i: t) {
// if (v->next[i] == nullptr) {
// return 0;
// }
// v = v->next[i];
// }
// return v->cnt;
int v = root;
for (int i: t) {
if (nodes[v].next[i] == -1) {
return 0;
}
v = nodes[v].next[i];
}
return nodes[v].cnt;
}
vec<vec<int>> get_sorted(int root) {
vec<vec<int>> res;
function<void(int, vec<int>)> dfs = [&](int v, vec<int> path) {
if (nodes[v].is_terminal) {
for (int i = 0; i < nodes[v].is_terminal; i++) {
res.push_back(path);
}
}
for (int i = 0; i < 4; i++) {
if (nodes[v].next[i] != -1) {
path.push_back(i);
dfs(nodes[v].next[i], path);
path.pop_back();
}
}
};
dfs(root, {});
return res;
}
const int maxN = 1e5 + 5;
int stree[4 * maxN];
vec<vec<int>> rvs;
void build(int v, int tl, int tr) {
stree[v] = initialize();
for (int i = tl; i <= tr; i++) {
insert(stree[v], rvs[i]);
}
if (tl == tr) {
return;
}
int tm = (tl + tr) / 2;
build(2 * v, tl, tm);
build(2 * v + 1, tm + 1, tr);
}
int get(int v, int tl, int tr, int l, int r, const vec<int> &b) {
if (tl == l && tr == r) {
return calc(stree[v], b);
}
int tm = (tl + tr) / 2;
if (r <= tm) {
return get(2 * v, tl, tm, l, r, b);
}
if (l > tm) {
return get(2 * v + 1, tm + 1, tr, l, r, b);
}
return get(2 * v, tl, tm, l, tm, b) + get(2 * v + 1, tm + 1, tr, tm + 1, r, b);
}
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int n, q;
cin >> n >> q;
map<char, int> m;
m['A'] = 0;
m['C'] = 1;
m['G'] = 2;
m['U'] = 3;
auto parse = [&](const string &s) -> vec<int> {
vec<int> res;
for (char c: s) {
res.push_back(m[c]);
}
return res;
};
vec<vec<int>> strs;
int bor = initialize();
for (int i = 0; i < n; i++) {
string s;
cin >> s;
strs.push_back(parse(s));
insert(bor, strs.back());
}
auto sorted = get_sorted(bor);
rvs = sorted;
for (auto &v: rvs) {
rev(v);
}
build(1, 0, len(rvs) - 1);
while (q--) {
string a, b;
cin >> a >> b;
vec<int> a1 = parse(a);
vec<int> b1 = parse(b);
rev(b1);
int tl = 0;
int tr = len(sorted) - 1;
auto small = [&](int id) {
for (int i = 0; i < min(len(sorted[id]), len(a1)); i++) {
if (sorted[id][i] < a1[i]) return true;
if (sorted[id][i] > a1[i]) return false;
}
if (len(sorted[id]) < len(a1)) return true;
return false;
};
while (tl != tr) {
int tm = (tl + tr) / 2;
if (small(tm)) {
tl = tm + 1;
} else {
tr = tm;
}
}
int id = tl;
auto eq = [&](int id) {
if (len(sorted[id]) < len(a1)) {
return false;
}
for (int i = 0; i < len(a1); i++) {
if (sorted[id][i] != a1[i]) {
return false;
}
}
return true;
};
if (!eq(id)) {
cout << 0 << endl;
continue;
}
tl = id;
tr = len(sorted) - 1;
while (tl != tr) {
int tm = (tl + tr + 1) / 2;
if (eq(tm)) {
tl = tm;
} else {
tr = tm - 1;
}
}
cout << get(1, 0, len(rvs) - 1, id, tl, b1) << endl;
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
357 ms |
1048576 KB |
Execution killed with signal 9 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
333 ms |
1048576 KB |
Execution killed with signal 9 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
347 ms |
1048576 KB |
Execution killed with signal 9 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
357 ms |
1048576 KB |
Execution killed with signal 9 |
| 2 |
Halted |
0 ms |
0 KB |
- |
