結果
問題 | No.2361 Many String Compare Queries |
ユーザー |
👑 |
提出日時 | 2024-04-14 22:18:46 |
言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 662 ms / 2,500 ms |
コード長 | 18,781 bytes |
コンパイル時間 | 3,713 ms |
コンパイル使用メモリ | 281,476 KB |
実行使用メモリ | 36,284 KB |
最終ジャッジ日時 | 2024-10-04 02:17:58 |
合計ジャッジ時間 | 9,431 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 14 |
ソースコード
// #pragma GCC target("avx2")// #pragma GCC optimize("O3")// #pragma GCC optimize("unroll-loops")#include <bits/stdc++.h>using namespace std;// #define INTERACTIVEnamespace templates {// typeusing ll = long long;using ull = unsigned long long;using Pii = pair<int, int>;using Pil = pair<int, ll>;using Pli = pair<ll, int>;using Pll = pair<ll, ll>;template <class T>using pq = priority_queue<T>;template <class T>using qp = priority_queue<T, vector<T>, greater<T>>;// clang-format off#define vec(T, A, ...) vector<T> A(__VA_ARGS__);#define vvec(T, A, h, ...) vector<vector<T>> A(h, vector<T>(__VA_ARGS__));#define vvvec(T, A, h1, h2, ...) vector<vector<vector<T>>> A(h1, vector<vector<T>>(h2, vector<T>(__VA_ARGS__)));// clang-format on// for loop#define fori1(a) for (ll _ = 0; _ < (a); _++)#define fori2(i, a) for (ll i = 0; i < (a); i++)#define fori3(i, a, b) for (ll i = (a); i < (b); i++)#define fori4(i, a, b, c) for (ll i = (a); ((c) > 0 || i > (b)) && ((c) < 0 || i < (b)); i += (c))#define overload4(a, b, c, d, e, ...) e#define fori(...) overload4(__VA_ARGS__, fori4, fori3, fori2, fori1)(__VA_ARGS__)// declare and input// clang-format off#define INT(...) int __VA_ARGS__; inp(__VA_ARGS__);#define LL(...) ll __VA_ARGS__; inp(__VA_ARGS__);#define STRING(...) string __VA_ARGS__; inp(__VA_ARGS__);#define CHAR(...) char __VA_ARGS__; inp(__VA_ARGS__);#define DOUBLE(...) double __VA_ARGS__; STRING(str___); __VA_ARGS__ = stod(str___);#define VEC(T, A, n) vector<T> A(n); inp(A);#define VVEC(T, A, n, m) vector<vector<T>> A(n, vector<T>(m)); inp(A);// clang-format on// const valueconst ll MOD1 = 1000000007;const ll MOD9 = 998244353;const double PI = acos(-1);// other macro#if !defined(RIN__LOCAL) && !defined(INTERACTIVE)#define endl "\n"#endif#define spa ' '#define len(A) ll(A.size())#define all(A) begin(A), end(A)// functionvector<char> stoc(string &S) {int n = S.size();vector<char> ret(n);for (int i = 0; i < n; i++) ret[i] = S[i];return ret;}string ctos(vector<char> &S) {int n = S.size();string ret = "";for (int i = 0; i < n; i++) ret += S[i];return ret;}template <class T>auto min(const T &a) {return *min_element(all(a));}template <class T>auto max(const T &a) {return *max_element(all(a));}template <class T, class S>auto clamp(T &a, const S &l, const S &r) {return (a > r ? r : a < l ? l : a);}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);}template <class T, class S>inline bool chclamp(T &a, const S &l, const S &r) {auto b = clamp(a, l, r);return (a != b ? a = b, 1 : 0);}template <typename T>T sum(vector<T> &A) {T tot = 0;for (auto a : A) tot += a;return tot;}template <typename T>vector<T> compression(vector<T> X) {sort(all(X));X.erase(unique(all(X)), X.end());return X;}// input and outputnamespace io {// __int128_tstd::ostream &operator<<(std::ostream &dest, __int128_t value) {std::ostream::sentry s(dest);if (s) {__uint128_t tmp = value < 0 ? -value : value;char buffer[128];char *d = std::end(buffer);do {--d;*d = "0123456789"[tmp % 10];tmp /= 10;} while (tmp != 0);if (value < 0) {--d;*d = '-';}int len = std::end(buffer) - d;if (dest.rdbuf()->sputn(d, len) != len) {dest.setstate(std::ios_base::badbit);}}return dest;}// vector<T>template <typename T>istream &operator>>(istream &is, vector<T> &A) {for (auto &a : A) is >> a;return is;}template <typename T>ostream &operator<<(ostream &os, vector<T> &A) {for (size_t i = 0; i < A.size(); i++) {os << A[i];if (i != A.size() - 1) os << ' ';}return os;}// vector<vector<T>>template <typename T>istream &operator>>(istream &is, vector<vector<T>> &A) {for (auto &a : A) is >> a;return is;}template <typename T>ostream &operator<<(ostream &os, vector<vector<T>> &A) {for (size_t i = 0; i < A.size(); i++) {os << A[i];if (i != A.size() - 1) os << endl;}return os;}// pair<S, T>template <typename S, typename T>istream &operator>>(istream &is, pair<S, T> &A) {is >> A.first >> A.second;return is;}template <typename S, typename T>ostream &operator<<(ostream &os, pair<S, T> &A) {os << A.first << ' ' << A.second;return os;}// vector<pair<S, T>>template <typename S, typename T>istream &operator>>(istream &is, vector<pair<S, T>> &A) {for (size_t i = 0; i < A.size(); i++) {is >> A[i];}return is;}template <typename S, typename T>ostream &operator<<(ostream &os, vector<pair<S, T>> &A) {for (size_t i = 0; i < A.size(); i++) {os << A[i];if (i != A.size() - 1) os << endl;}return os;}// tupletemplate <typename T, size_t N>struct TuplePrint {static ostream &print(ostream &os, const T &t) {TuplePrint<T, N - 1>::print(os, t);os << ' ' << get<N - 1>(t);return os;}};template <typename T>struct TuplePrint<T, 1> {static ostream &print(ostream &os, const T &t) {os << get<0>(t);return os;}};template <typename... Args>ostream &operator<<(ostream &os, const tuple<Args...> &t) {TuplePrint<decltype(t), sizeof...(Args)>::print(os, t);return os;}// io functionsvoid FLUSH() {cout << flush;}void print() {cout << endl;}template <class Head, class... Tail>void print(Head &&head, Tail &&...tail) {cout << head;if (sizeof...(Tail)) cout << spa;print(std::forward<Tail>(tail)...);}template <typename T, typename S>void prisep(vector<T> &A, S sep) {int n = A.size();for (int i = 0; i < n; i++) {cout << A[i];if (i != n - 1) cout << sep;}cout << endl;}template <typename T, typename S>void priend(T A, S end) {cout << A << end;}template <typename T>void prispa(T A) {priend(A, spa);}template <typename T, typename S>bool printif(bool f, T A, S B) {if (f)print(A);elseprint(B);return f;}template <class... T>void inp(T &...a) {(cin >> ... >> a);}} // namespace iousing namespace io;// read graphvector<vector<int>> read_edges(int n, int m, bool direct = false, int indexed = 1) {vector<vector<int>> edges(n, vector<int>());for (int i = 0; i < m; i++) {INT(u, v);u -= indexed;v -= indexed;edges[u].push_back(v);if (!direct) edges[v].push_back(u);}return edges;}vector<vector<int>> read_tree(int n, int indexed = 1) {return read_edges(n, n - 1, false, indexed);}template <typename T = long long>vector<vector<pair<int, T>>> read_wedges(int n, int m, bool direct = false, int indexed = 1) {vector<vector<pair<int, T>>> edges(n, vector<pair<int, T>>());for (int i = 0; i < m; i++) {INT(u, v);T w;inp(w);u -= indexed;v -= indexed;edges[u].push_back({v, w});if (!direct) edges[v].push_back({u, w});}return edges;}template <typename T = long long>vector<vector<pair<int, T>>> read_wtree(int n, int indexed = 1) {return read_wedges<T>(n, n - 1, false, indexed);}// yes / nonamespace yesno {// yesinline bool yes(bool f = true) {cout << (f ? "yes" : "no") << endl;return f;}inline bool Yes(bool f = true) {cout << (f ? "Yes" : "No") << endl;return f;}inline bool YES(bool f = true) {cout << (f ? "YES" : "NO") << endl;return f;}// noinline bool no(bool f = true) {cout << (!f ? "yes" : "no") << endl;return f;}inline bool No(bool f = true) {cout << (!f ? "Yes" : "No") << endl;return f;}inline bool NO(bool f = true) {cout << (!f ? "YES" : "NO") << endl;return f;}// possibleinline bool possible(bool f = true) {cout << (f ? "possible" : "impossible") << endl;return f;}inline bool Possible(bool f = true) {cout << (f ? "Possible" : "Impossible") << endl;return f;}inline bool POSSIBLE(bool f = true) {cout << (f ? "POSSIBLE" : "IMPOSSIBLE") << endl;return f;}// impossibleinline bool impossible(bool f = true) {cout << (!f ? "possible" : "impossible") << endl;return f;}inline bool Impossible(bool f = true) {cout << (!f ? "Possible" : "Impossible") << endl;return f;}inline bool IMPOSSIBLE(bool f = true) {cout << (!f ? "POSSIBLE" : "IMPOSSIBLE") << endl;return f;}// Alice Bobinline bool Alice(bool f = true) {cout << (f ? "Alice" : "Bob") << endl;return f;}inline bool Bob(bool f = true) {cout << (f ? "Bob" : "Alice") << endl;return f;}// Takahashi Aokiinline bool Takahashi(bool f = true) {cout << (f ? "Takahashi" : "Aoki") << endl;return f;}inline bool Aoki(bool f = true) {cout << (f ? "Aoki" : "Takahashi") << endl;return f;}} // namespace yesnousing namespace yesno;} // namespace templatesusing namespace templates;std::vector<int> SuffixArray(const std::string &S) {int n = S.size();std::vector<int> s(n);for (int i = 0; i < n; i++) s[i] = S[i];std::vector<int> sa(n), rnk = s, tmp(n);std::iota(sa.begin(), sa.end(), 0);for (int k = 1; k < n; k <<= 1) {auto cmp = [&](int x, int y) {if (rnk[x] != rnk[y]) return rnk[x] < rnk[y];int rx = x + k < n ? rnk[x + k] : -1;int ry = y + k < n ? rnk[y + k] : -1;return rx < ry;};std::sort(sa.begin(), sa.end(), cmp);tmp[sa[0]] = 0;for (int i = 1; i < n; i++) {tmp[sa[i]] = tmp[sa[i - 1]] + (cmp(sa[i - 1], sa[i]) ? 1 : 0);}std::swap(tmp, rnk);}return sa;}std::vector<int> lcpArray(const std::string &S, const std::vector<int> &sa) {int n = S.size();std::vector<int> rnk(n);for (int i = 0; i < n; i++) rnk[sa[i]] = i;std::vector<int> lcp(n - 1);int h = 0;for (int i = 0; i < n; i++) {if (h > 0) h--;if (rnk[i] == 0) continue;int j = sa[rnk[i] - 1];for (; j + h < n && i + h < n; h++) {if (S[j + h] != S[i + h]) break;}lcp[rnk[i] - 1] = h;}return lcp;}#ifndef ATCODER_LAZYSEGTREE_HPP#define ATCODER_LAZYSEGTREE_HPP 1#include <algorithm>#include <cassert>#include <iostream>#include <vector>#ifndef ATCODER_INTERNAL_BITOP_HPP#define ATCODER_INTERNAL_BITOP_HPP 1#ifdef _MSC_VER#include <intrin.h>#endifnamespace atcoder {namespace internal {// @param n `0 <= n`// @return minimum non-negative `x` s.t. `n <= 2**x`int ceil_pow2(int n) {int x = 0;while ((1U << x) < (unsigned int)(n)) x++;return x;}// @param n `1 <= n`// @return minimum non-negative `x` s.t. `(n & (1 << x)) != 0`constexpr int bsf_constexpr(unsigned int n) {int x = 0;while (!(n & (1 << x))) x++;return x;}// @param n `1 <= n`// @return minimum non-negative `x` s.t. `(n & (1 << x)) != 0`int bsf(unsigned int n) {#ifdef _MSC_VERunsigned long index;_BitScanForward(&index, n);return index;#elsereturn __builtin_ctz(n);#endif}} // namespace internal} // namespace atcoder#endif // ATCODER_INTERNAL_BITOP_HPPnamespace atcoder {template <class S, S (*op)(S, S), S (*e)(), class F, S (*mapping)(F, S), F (*composition)(F, F),F (*id)()>struct lazy_segtree {public:lazy_segtree() : lazy_segtree(0) {}explicit lazy_segtree(int n) : lazy_segtree(std::vector<S>(n, e())) {}explicit lazy_segtree(const std::vector<S> &v) : _n(int(v.size())) {log = internal::ceil_pow2(_n);size = 1 << log;d = std::vector<S>(2 * size, e());lz = std::vector<F>(size, id());for (int i = 0; i < _n; i++) d[size + i] = v[i];for (int i = size - 1; i >= 1; i--) {update(i);}}void set(int p, S x) {assert(0 <= p && p < _n);p += size;for (int i = log; i >= 1; i--) push(p >> i);d[p] = x;for (int i = 1; i <= log; i++) update(p >> i);}S get(int p) {assert(0 <= p && p < _n);p += size;for (int i = log; i >= 1; i--) push(p >> i);return d[p];}S prod(int l, int r) {assert(0 <= l && l <= r && r <= _n);if (l == r) return e();l += size;r += size;for (int i = log; i >= 1; i--) {if (((l >> i) << i) != l) push(l >> i);if (((r >> i) << i) != r) push((r - 1) >> i);}S sml = e(), smr = e();while (l < r) {if (l & 1) sml = op(sml, d[l++]);if (r & 1) smr = op(d[--r], smr);l >>= 1;r >>= 1;}return op(sml, smr);}S all_prod() {return d[1];}void apply(int p, F f) {assert(0 <= p && p < _n);p += size;for (int i = log; i >= 1; i--) push(p >> i);d[p] = mapping(f, d[p]);for (int i = 1; i <= log; i++) update(p >> i);}void apply(int l, int r, F f) {assert(0 <= l && l <= r && r <= _n);if (l == r) return;l += size;r += size;for (int i = log; i >= 1; i--) {if (((l >> i) << i) != l) push(l >> i);if (((r >> i) << i) != r) push((r - 1) >> i);}{int l2 = l, r2 = r;while (l < r) {if (l & 1) all_apply(l++, f);if (r & 1) all_apply(--r, f);l >>= 1;r >>= 1;}l = l2;r = r2;}for (int i = 1; i <= log; i++) {if (((l >> i) << i) != l) update(l >> i);if (((r >> i) << i) != r) update((r - 1) >> i);}}template <bool (*g)(S)>int max_right(int l) {return max_right(l, [](S x) { return g(x); });}template <class G>int max_right(int l, G g) {assert(0 <= l && l <= _n);assert(g(e()));if (l == _n) return _n;l += size;for (int i = log; i >= 1; i--) push(l >> i);S sm = e();do {while (l % 2 == 0) l >>= 1;if (!g(op(sm, d[l]))) {while (l < size) {push(l);l = (2 * l);if (g(op(sm, d[l]))) {sm = op(sm, d[l]);l++;}}return l - size;}sm = op(sm, d[l]);l++;} while ((l & -l) != l);return _n;}template <bool (*g)(S)>int min_left(int r) {return min_left(r, [](S x) { return g(x); });}template <class G>int min_left(int r, G g) {assert(0 <= r && r <= _n);assert(g(e()));if (r == 0) return 0;r += size;for (int i = log; i >= 1; i--) push((r - 1) >> i);S sm = e();do {r--;while (r > 1 && (r % 2)) r >>= 1;if (!g(op(d[r], sm))) {while (r < size) {push(r);r = (2 * r + 1);if (g(op(d[r], sm))) {sm = op(d[r], sm);r--;}}return r + 1 - size;}sm = op(d[r], sm);} while ((r & -r) != r);return 0;}private:int _n, size, log;std::vector<S> d;std::vector<F> lz;void update(int k) {d[k] = op(d[2 * k], d[2 * k + 1]);}void all_apply(int k, F f) {d[k] = mapping(f, d[k]);if (k < size) lz[k] = composition(f, lz[k]);}void push(int k) {all_apply(2 * k, lz[k]);all_apply(2 * k + 1, lz[k]);lz[k] = id();}};} // namespace atcoder#endif // ATCODER_LAZYSEGTREE_HPPconst ll inf = 1LL << 60;struct S {ll le;ll tot;ll mi;};S op(S l, S r) {return {l.le + r.le, l.tot + r.tot, min(l.mi, r.mi)};}S e() {return {0, 0, inf};}using F = ll;S mapping(F f, S x) {if (f <= x.mi)return {x.le, x.le * f, f};elsereturn x;}F composition(F f, F g) {return min(f, g);}F id() {return inf;}void solve() {INT(n, Q);STRING(SS);auto sa = SuffixArray(SS);auto lcp = lcpArray(SS, sa);vec(int, inv, n);fori(i, n) inv[sa[i]] = i;vec(ll, cum, n + 1, 0);vec(ll, cum_lcp, n + 1, 0);fori(i, n) {cum[i + 1] = cum[i] + n - sa[i];}vvec(Pll, query, n);fori(i, Q) {INT(l, r);l--;int p = inv[l];int d = r - l;query[p].push_back({d, i});}vec(ll, ans, Q, 0);{vec(S, ini, n, {1, 0, inf});atcoder::lazy_segtree<S, op, e, F, mapping, composition, id> seg(ini);fori(p, n) {for (auto [d, i] : query[p]) {ans[i] = cum[p] + d - 1;int l = seg.min_left(p, [&](S x) { return x.mi >= d; });auto res = seg.prod(l, p);ans[i] -= (cum[p] - cum[l]) - res.le * (d - 1);}if (p < n - 1) {int d = lcp[p];int l = seg.min_left(p, [&](S x) { return x.mi >= d; });seg.apply(l, p + 1, d);}}}{vec(S, ini, n - 1, {1, 0, inf});atcoder::lazy_segtree<S, op, e, F, mapping, composition, id> seg(ini);fori(p, n - 2, -1, -1) {{int d = lcp[p];int r = seg.max_right(p, [&](S x) { return x.mi >= d; });seg.apply(p, r, d);}for (auto [d, i] : query[p]) {int r = seg.max_right(p, [&](S x) { return x.mi >= d; });auto res = seg.prod(p, r);ll add = seg.prod(p, n - 1).tot;ans[i] += add;ll sub = res.tot - res.le * (d - 1);ans[i] -= sub;}}}prisep(ans, "\n");}int main() {#ifndef INTERACTIVEcin.tie(0)->sync_with_stdio(0);#endif// cout << fixed << setprecision(12);int t;t = 1;// cin >> t;while (t--) solve();return 0;}