#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/rope>
using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;
random_device(rd);
mt19937 rng(rd());
const long long FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
struct custom_hash
{
template<class T>
unsigned long long operator()(T v) const
{
unsigned long long x = v;
x += FIXED_RANDOM;
// x += 11400714819323198485ull;
// x = (x ^ (x >> 30)) * 13787848793156543929ull;
x = (x ^ (x >> 27)) * 10723151780598845931ull;
return x ^ (x >> 31);
}
};
template<class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<class T, class U> using hash_table = gp_hash_table<T, U, custom_hash>;
template<class T>
T randomize(T mod)
{
return (uniform_int_distribution<T>(0, mod - 1))(rng);
}
template<class T>
void readi(T &x)
{
x = 0;
bool negative = false;
char c = ' ';
while (c < '-')
{
c = getchar();
}
if (c == '-')
{
negative = true;
c = getchar();
}
while (c >= '0')
{
x = x * 10 + (c - '0');
c = getchar();
}
if (negative)
{
x = -x;
}
}
template<class T>
void printi(T output)
{
if (output == 0)
{
putchar('0');
return;
}
if (output < 0)
{
putchar('-');
output = -output;
}
int buf[20], n = 0;
while(output)
{
buf[n] = ((output % 10));
output /= 10;
n++;
}
for (n--; n >= 0; n--)
{
putchar(buf[n] + '0');
}
return;
}
template<class T>
void ckmin(T &a, T b)
{
a = min(a, b);
}
template<class T>
void ckmax(T &a, T b)
{
a = max(a, b);
}
long long expo(long long a, long long e, long long mod)
{
return ((e == 0) ? 1 : ((expo(a * a % mod, e >> 1, mod)) * ((e & 1) ? a : 1) % mod));
}
template<class T, class U>
void nmod(T &x, U mod)
{
if (x >= mod) x -= mod;
}
template<class T>
T gcd(T a, T b)
{
return (b ? gcd(b, a % b) : a);
}
#define y0 ___y0
#define y1 ___y1
#define MP make_pair
#define PB push_back
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define DBG(x) cerr << #x << " = " << (x) << endl
#define SZ(x) ((int) ((x).size()))
#define FOR(i, a, b) for (auto i = (a); i < (b); i++)
#define FORD(i, a, b) for (auto i = (a) - 1; i >= (b); i--)
#define ALL(x) (x).begin(), (x).end()
const long double PI = 4.0 * atan(1.0);
const long double EPS = 1e-9;
#define MAGIC 347
#define SINF 10007
#define CO 1000007
#define INF 1000000007
#define BIG 1000000931
#define LARGE 1696969696967ll
#define GIANT 2564008813937411ll
#define LLINF 2696969696969696969ll
#define MAXN 200013
#define MAXM 4000013
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<ld, ld> pdd;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<ld> vd;
typedef vector<pii> vpi;
typedef vector<pll> vpl;
typedef vector<pdd> vpd;
int M, Q;
vi s[MAXN];
vpl sh[MAXN], th[MAXN];
int beg[MAXN], teg[MAXN];
int lt[MAXN], rt[MAXN];
vi S;
pair<vi, vi> t[MAXN];
int ans[MAXN];
int mpc(char c)
{
if (c == 'A') return 1;
if (c == 'C') return 2;
if (c == 'G') return 3;
if (c == 'U') return 4;
}
int N;
int sval[30][MAXM];
int srank[MAXM], suf[MAXM];
vector<int> sfi[MAXM], sse[MAXM];
int lcp[MAXM];
int sparse[25][MAXM];
vector<pair<pii, pii> > quer[MAXM];
void getsuf()
{
FOR(i, 0, N)
{
sval[0][i] = S[i];
}
for (int i = 0; i <= 22; i++)
{
int Z = (i == 0 ? max(N, M + Q + 10) : N + 2);
for (int j = 0; j <= Z; j++)
{
sfi[j].clear();
sse[j].clear();
}
for (int j = 0; j < N; j++)
{
int curval = 0;
if (j + (1 << i) < N) curval = sval[i][j + (1 << i)];
sse[curval].PB(j);
}
for (int j = 0; j <= Z; j++)
{
for (int idx : sse[j])
{
sfi[sval[i][idx]].PB(idx);
}
}
int K = 0; pii was = MP(-1, -1);
for (int j = 0; j <= Z; j++)
{
for (int idx : sfi[j])
{
pii cur = MP(0, 0);
cur.fi = sval[i][idx];
if (idx + (1 << i) < N) cur.se = sval[i][idx + (1 << i)];
if (cur != was)
{
assert(cur > was);
was = cur;
K++;
}
sval[i + 1][idx] = K;
}
}
}
for (int i = 0; i < N; i++)
{
srank[i] = sval[23][i] - 1;
suf[srank[i]] = i;
}
}
void getlcp()
{
int best = 0;
for (int i = 0; i < N; i++)
{
if (srank[i] == N - 1)
{
lcp[N - 1] = 0;
continue;
}
int idx = suf[srank[i] + 1];
while(idx + best < N && i + best < N && S[idx + best] == S[i + best]) best++;
lcp[srank[i]] = best;
if (best) best--;
}
}
int compare(int x, int y)
{
//compare s[x] with t[y]
int lo = 0, hi = min(SZ(s[x]), SZ(t[y].fi));
while(hi > lo)
{
int mid = (hi + lo + 1) >> 1;
if (sh[x][mid] == th[y][mid])
{
lo = mid;
}
else
{
hi = mid - 1;
}
}
int res;
if (lo == SZ(t[y].fi)) res = 0;
else res = ((lo == SZ(s[x]) || s[x][lo] < t[y].fi[lo]) ? -1 : 1);
// cerr << "ask " << x << ' ' << y << ' ' << res << endl;
return res;
}
int qry(int x, int y)
{
if (x > y) swap(x, y);
int sz = 31 - __builtin_clz(y - x + 1);
return min(sparse[sz][x], sparse[sz][y - (1 << sz) + 1]);
}
bool cmp(int x, int y)
{
int lo = 0, hi = min(SZ(s[x]), SZ(s[y]));
while(hi > lo)
{
int mid = (hi + lo + 1) >> 1;
if (sh[x][mid] == sh[y][mid])
{
lo = mid;
}
else
{
hi = mid - 1;
}
}
if (lo == min(SZ(s[x]), SZ(s[y]))) return SZ(s[x]) < SZ(s[y]);
return (s[x][lo] < s[y][lo]);
}
int fen[MAXM];
void upd(int idx, int v)
{
for (int e = idx + 1; e <= N; e += e & (-e))
{
fen[e] += v;
}
}
int query(int idx)
{
int res = 0;
for (int e = idx + 1; e; e -= e & (-e))
{
res += fen[e];
}
return res;
}
int32_t main()
{
ios_base::sync_with_stdio(0); cin.tie(0);
// cout << fixed << setprecision(10);
// cerr << fixed << setprecision(10);
// if (fopen("file.in", "r"))
// {
// freopen ("file.in", "r", stdin);
// freopen ("file.out", "w", stdout);
// }
cin >> M >> Q;
FOR(i, 0, M)
{
string temps;
cin >> temps;
for(char c : temps)
{
s[i].PB(mpc(c));
}
sh[i].PB({0, 0});
for (int x : s[i])
{
pll p = sh[i].back();
p.fi *= CO; p.fi += x; p.fi %= INF;
p.se *= CO; p.se += x; p.se %= BIG;
sh[i].PB(p);
}
}
int ord[M];
FOR(i, 0, M)
{
ord[i] = i;
}
sort(ord, ord + M, cmp);
FOR(i, 0, M)
{
t[i].fi = s[i];
}
FOR(i, 0, M)
{
s[i] = t[ord[i]].fi;
// for (int x : s[i])
// {
// cerr << x << ' ';
// }
// cerr << endl;
sh[i].clear();
sh[i].PB({0, 0});
for (int x : s[i])
{
pll p = sh[i].back();
p.fi *= CO; p.fi += x; p.fi %= INF;
p.se *= CO; p.se += x; p.se %= BIG;
sh[i].PB(p);
}
}
// cerr << endl;
FOR(i, 0, M)
{
beg[i] = SZ(S);
S.insert(S.end(), s[i].begin(), s[i].end());
S.PB(5);
S.PB(i + 6);
}
beg[M] = SZ(S);
FOR(i, 0, Q)
{
string temps, tempt;
cin >> temps >> tempt;
// DBG(temps); DBG(tempt);
t[i].fi.clear();
for (char c : temps)
{
t[i].fi.PB(mpc(c));
}
for (char c : tempt)
{
t[i].se.PB(mpc(c));
}
// for (int x : t[i].se)
// {
// cerr << x << ' ';
// }
// cerr << endl;
}
FOR(i, 0, Q)
{
th[i].PB({0, 0});
for (int x : t[i].fi)
{
pll p = th[i].back();
p.fi *= CO; p.fi += x; p.fi %= INF;
p.se *= CO; p.se += x; p.se %= BIG;
th[i].PB(p);
}
teg[i] = SZ(S);
int lo = 0, hi = M;
while(hi > lo)
{
int mid = (hi + lo) >> 1;
if (compare(mid, i) == -1) //mid < i
{
lo = mid + 1;
}
else
{
hi = mid;
}
}
lt[i] = lo;
lo = -1; hi = M - 1;
while(hi > lo)
{
int mid = (hi + lo + 1) >> 1;
if (compare(mid, i) == 1)
{
hi = mid - 1;
}
else
{
lo = mid;
}
}
rt[i] = lo;
// cerr << lt[i] << ' ' << rt[i] << endl;
S.insert(S.end(), t[i].se.begin(), t[i].se.end());
S.PB(5);
S.PB(i + M + 6);
//count how many of the above strings, start with S and end with T
}
teg[Q] = SZ(S);
N = SZ(S);
getsuf();
getlcp();
if (Q > 100 || M > 100) return 0;
// FOR(i, 0, N)
// {
// cerr << S[i] << ' ';
// }
// cerr << endl;
// FOR(i, 0, N)
// {
// cerr << suf[i] << ' ';
// }
// cerr << endl;
// FOR(i, 0, N)
// {
// cerr << lcp[i] << ' ';
// }
// cerr << endl;
FOR(i, 0, N)
{
sparse[0][i] = lcp[i];
}
FOR(i, 1, 25)
{
FOR(j, 0, N)
{
if (j + (1 << i) > N) continue;
sparse[i][j] = min(sparse[i - 1][j], sparse[i - 1][j + (1 << (i - 1))]);
}
}
FOR(i, 0, Q)
{
int x = teg[i];
if (lt[i] > rt[i]) continue;
// cerr << lt[i] << ' ' << rt[i] << endl;
lt[i] = beg[lt[i]];
rt[i] = beg[rt[i] + 1] - 1;
int idx = teg[i], sz = SZ(t[i].se) + 1;
// cerr << lt[i] << ' ' << rt[i] << ' ' << idx << ' ' << sz << endl;
int L, R;
int lo = 0, hi = srank[idx];
while(hi > lo)
{
int mid = (hi + lo) >> 1;
if (qry(mid, srank[idx] - 1) >= sz)
{
hi = mid;
}
else
{
lo = mid + 1;
}
}
L = lo;
lo = srank[idx]; hi = N - 1;
while(hi > lo)
{
int mid = (hi + lo + 1) >> 1;
if (qry(srank[idx], mid - 1) >= sz)
{
lo = mid;
}
else
{
hi = mid - 1;
}
}
R = hi;
// cerr << "OK " << L << ' ' << R << endl;
if (L != 0)
{
quer[L - 1].PB({{lt[i], rt[i]}, {i, -1}});
}
quer[R].PB({{lt[i], rt[i]}, {i, 1}});
// FOR(j, L, R + 1)
// {
// if (lt[i] <= suf[j] && suf[j] <= rt[i])
// {
// ans[i]++;
// }
// }
//how many have lcp(a....idx) is >= SZ(t[i].se) + 1 AND it's within lt[i]...rt[i]
//when does lcp get greater than x?
}
FOR(i, 0, N)
{
upd(suf[i], 1);
for (auto p : quer[i])
{
ans[p.se.fi] += p.se.se * (query(p.fi.se) - query(p.fi.fi - 1));
}
}
FOR(i, 0, Q)
{
cout << ans[i] << '\n';
}
//
// cerr << "time elapsed = " << (clock() / (CLOCKS_PER_SEC / 1000)) << " ms" << endl;
return 0;
}
/* READ READ READ
* int overflow, maxn too small, special cases (n=1?, two distinct?), cin.tie() interactive
* reread the problem, try small cases
* note down possible sources of error as you go
* do smth instead of nothing
*/
Compilation message
selling_rna.cpp: In function 'int32_t main()':
selling_rna.cpp:476:7: warning: unused variable 'x' [-Wunused-variable]
int x = teg[i];
^
selling_rna.cpp: In function 'int mpc(char)':
selling_rna.cpp:169:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
349 ms |
306296 KB |
Output is correct |
| 2 |
Correct |
314 ms |
306396 KB |
Output is correct |
| 3 |
Correct |
313 ms |
306168 KB |
Output is correct |
| 4 |
Correct |
318 ms |
306304 KB |
Output is correct |
| 5 |
Correct |
290 ms |
306168 KB |
Output is correct |
| 6 |
Correct |
316 ms |
306308 KB |
Output is correct |
| 7 |
Correct |
328 ms |
306296 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
1597 ms |
562800 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
938 ms |
392872 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
349 ms |
306296 KB |
Output is correct |
| 2 |
Correct |
314 ms |
306396 KB |
Output is correct |
| 3 |
Correct |
313 ms |
306168 KB |
Output is correct |
| 4 |
Correct |
318 ms |
306304 KB |
Output is correct |
| 5 |
Correct |
290 ms |
306168 KB |
Output is correct |
| 6 |
Correct |
316 ms |
306308 KB |
Output is correct |
| 7 |
Correct |
328 ms |
306296 KB |
Output is correct |
| 8 |
Execution timed out |
1597 ms |
562800 KB |
Time limit exceeded |
| 9 |
Halted |
0 ms |
0 KB |
- |
