結果
| 問題 | No.3671 Reusable Lazy Segment Tree |
| コンテスト | |
| ユーザー |
ei1333333
|
| 提出日時 | 2026-09-04 23:23:15 |
| 言語 | C++23(gcc16) (gcc 16.1.0 + boost 1.92.0 + ACL) |
| 結果 |
TLE
不安定
|
| 実行時間 | - |
| コード長 | 9,963 bytes |
| 記録 | |
| コンパイル時間 | 4,899 ms |
| コンパイル使用メモリ | 397,448 KB |
| 実行使用メモリ | 54,420 KB |
| 最終ジャッジ日時 | 2026-09-04 23:23:32 |
| 合計ジャッジ時間 | 14,597 ms |
|
ジャッジサーバーID (参考情報) |
judge4_0 / judge2_0 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 9 TLE * 1 -- * 9 |
ソースコード
#line 1 "template/template.hpp"
#include <bits/stdc++.h>
#if __has_include(<atcoder/all>)
#include <atcoder/all>
#endif
using namespace std;
using int64 = long long;
const int64 infll = (1LL << 62) - 1;
const int inf = (1 << 30) - 1;
struct IoSetup {
IoSetup() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
cout << fixed << setprecision(10);
cerr << fixed << setprecision(10);
}
} iosetup;
template <typename T1, typename T2>
ostream& operator<<(ostream& os, const pair<T1, T2>& p) {
os << p.first << " " << p.second;
return os;
}
template <typename T1, typename T2>
istream& operator>>(istream& is, pair<T1, T2>& p) {
is >> p.first >> p.second;
return is;
}
template <typename T>
ostream& operator<<(ostream& os, const vector<T>& v) {
for (size_t i = 0; i < v.size(); i++) {
os << v[i] << (i + 1 != v.size() ? " " : "");
}
return os;
}
template <typename T>
istream& operator>>(istream& is, vector<T>& v) {
for (T& in : v) is >> in;
return is;
}
template <typename T1, typename T2>
bool chmax(T1& a, T2 b) {
return a < b && (a = b, true);
}
template <typename T1, typename T2>
bool chmin(T1& a, T2 b) {
return a > b && (a = b, true);
}
template <typename T = int64>
vector<T> make_v(size_t a) {
return vector<T>(a);
}
template <typename T, typename... Ts>
auto make_v(size_t a, Ts... ts) {
return vector<decltype(make_v<T>(ts...))>(a, make_v<T>(ts...));
}
template <typename T, typename V>
enable_if_t<is_class_v<T> == 0> fill_v(T& t, const V& v) {
t = v;
}
template <typename T, typename V>
enable_if_t<is_class_v<T> != 0> fill_v(T& t, const V& v) {
for (auto& e : t) fill_v(e, v);
}
template <typename F>
struct FixPoint : F {
explicit FixPoint(F&& f) : F(std::forward<F>(f)) {}
template <typename... Args>
decltype(auto) operator()(Args&&... args) const {
return F::operator()(*this, std::forward<Args>(args)...);
}
};
template <typename F>
decltype(auto) MFP(F&& f) {
return FixPoint<F>{std::forward<F>(f)};
}
#line 2 "structure/segment-tree/lazy-segment-tree.hpp"
#include <cassert>
#include <optional>
#include <set>
#include <vector>
#line 2 "structure/class/acted-monoid.hpp"
template <typename S2, typename Op, typename E, typename F2, typename Mapping,
typename Composition, typename Id>
struct LambdaActedMonoid {
using S = S2;
using F = F2;
S op(const S& a, const S& b) const { return _op(a, b); }
S e() const { return _e(); }
S mapping(const S& x, const F& f) const { return _mapping(x, f); }
F composition(const F& f, const F& g) const { return _composition(f, g); }
F id() const { return _id(); }
LambdaActedMonoid(Op _op, E _e, Mapping _mapping, Composition _composition,
Id _id)
: _op(_op),
_e(_e),
_mapping(_mapping),
_composition(_composition),
_id(_id) {}
private:
Op _op;
E _e;
Mapping _mapping;
Composition _composition;
Id _id;
};
template <typename Op, typename E, typename Mapping, typename Composition,
typename Id>
LambdaActedMonoid(Op _op, E _e, Mapping _mapping, Composition _composition,
Id _id)
-> LambdaActedMonoid<decltype(_e()), Op, E, decltype(_id()), Mapping,
Composition, Id>;
/*
struct ActedMonoid {
using S = ?;
using F = ?;
static constexpr S op(const S& a, const S& b) {}
static constexpr S e() {}
static constexpr S mapping(const S &x, const F &f) {}
static constexpr F composition(const F &f, const F &g) {}
static constexpr F id() {}
};
*/
#line 9 "structure/segment-tree/lazy-segment-tree.hpp"
template <typename ActedMonoid>
struct LazySegmentTree {
using S = typename ActedMonoid::S;
using F = typename ActedMonoid::F;
private:
ActedMonoid m;
int n{}, sz{}, height{};
std::vector<S> data;
std::vector<F> lazy;
inline void update(int k) {
data[k] = m.op(data[2 * k + 0], data[2 * k + 1]);
}
inline void all_apply(int k, const F& x) {
data[k] = m.mapping(data[k], x);
if (k < sz) lazy[k] = m.composition(lazy[k], x);
}
inline void propagate(int k) {
if (lazy[k] != m.id()) {
all_apply(2 * k + 0, lazy[k]);
all_apply(2 * k + 1, lazy[k]);
lazy[k] = m.id();
}
}
public:
LazySegmentTree() = default;
explicit LazySegmentTree(ActedMonoid m, int n) : m(m), n(n) {
sz = 1;
height = 0;
while (sz < n) sz <<= 1, height++;
data.assign(2 * sz, m.e());
lazy.assign(2 * sz, m.id());
}
explicit LazySegmentTree(ActedMonoid m, const std::vector<S>& v)
: LazySegmentTree(m, static_cast<int>(v.size())) {
build(v);
}
void build(const std::vector<S>& v) {
assert(n == (int)v.size());
for (int k = 0; k < n; k++) data[k + sz] = v[k];
for (int k = sz - 1; k > 0; k--) update(k);
}
void set(int k, const S& x) {
k += sz;
for (int i = height; i > 0; i--) propagate(k >> i);
data[k] = x;
for (int i = 1; i <= height; i++) update(k >> i);
}
S get(int k) {
k += sz;
for (int i = height; i > 0; i--) propagate(k >> i);
return data[k];
}
S operator[](int k) { return get(k); }
S prod(int l, int r) {
if (l >= r) return m.e();
l += sz;
r += sz;
for (int i = height; i > 0; i--) {
if (((l >> i) << i) != l) propagate(l >> i);
if (((r >> i) << i) != r) propagate((r - 1) >> i);
}
S L = m.e(), R = m.e();
for (; l < r; l >>= 1, r >>= 1) {
if (l & 1) L = m.op(L, data[l++]);
if (r & 1) R = m.op(data[--r], R);
}
return m.op(L, R);
}
S all_prod() const { return data[1]; }
void apply(int k, const F& f) {
k += sz;
for (int i = height; i > 0; i--) propagate(k >> i);
data[k] = m.mapping(data[k], f);
for (int i = 1; i <= height; i++) update(k >> i);
}
void apply(int l, int r, const F& f) {
if (l >= r) return;
l += sz;
r += sz;
for (int i = height; i > 0; i--) {
if (((l >> i) << i) != l) propagate(l >> i);
if (((r >> i) << i) != r) propagate((r - 1) >> i);
}
{
int l2 = l, r2 = r;
for (; l < r; l >>= 1, r >>= 1) {
if (l & 1) all_apply(l++, f);
if (r & 1) all_apply(--r, f);
}
l = l2, r = r2;
}
for (int i = 1; i <= height; i++) {
if (((l >> i) << i) != l) update(l >> i);
if (((r >> i) << i) != r) update((r - 1) >> i);
}
}
template <typename C>
std::optional<int> find_first(int l, const C& check) {
if (l >= n) return std::nullopt;
l += sz;
for (int i = height; i > 0; i--) propagate(l >> i);
S sum = m.e();
do {
while ((l & 1) == 0) l >>= 1;
if (check(m.op(sum, data[l]))) {
while (l < sz) {
propagate(l);
l <<= 1;
auto nxt = m.op(sum, data[l]);
if (not check(nxt)) {
sum = nxt;
l++;
}
}
return l + 1 - sz;
}
sum = m.op(sum, data[l++]);
} while ((l & -l) != l);
return std::nullopt;
}
template <typename C>
std::optional<int> find_last(int r, const C& check) {
if (r <= 0) return std::nullopt;
r += sz;
for (int i = height; i > 0; i--) propagate((r - 1) >> i);
S sum = m.e();
do {
r--;
while (r > 1 and (r & 1)) r >>= 1;
if (check(m.op(data[r], sum))) {
while (r < sz) {
propagate(r);
r = (r << 1) + 1;
auto nxt = m.op(data[r], sum);
if (not check(nxt)) {
sum = nxt;
r--;
}
}
return r - sz;
}
sum = m.op(data[r], sum);
} while ((r & -r) != r);
return std::nullopt;
}
};
constexpr int mask = (1 << 30) - 1;
struct ActedMonoid {
struct S {
uint32_t sum, old, len;
};
using F = char;
static constexpr S op(const S& a, const S& b) {
return {.sum = a.sum + b.sum, .old = a.old + b.old, .len = a.len + b.len};
}
static constexpr S e() {
return {.sum = 0, .old = 0, .len = 0};
}
static constexpr S mapping(const S &x, const F &f) {
if (f == -1) return x;
if (f == 0) return {.sum = 0, .old = x.old, .len = x.len};
if (f == 1) return {.sum = x.len, .old = x.old, .len = x.len};
return {.sum = x.old, .old = x.old, .len = x.len};
}
static constexpr F composition(const F &f, const F &g) {
if (g == -1) return f;
return g;
}
static constexpr F id() {
return -1;
}
};
int main() {
int N, M;
cin >> N >> M;
vector< int > A(N), l(M), r(M), x(M), L(M), R(M);
cin >> A >> l >> r >> x >> L >> R;
int Q;
cin >> Q;
using Seg = LazySegmentTree< ActedMonoid >;
vector< Seg > segs;
for (int i = 0; i < 30; i++) {
vector< Seg::S > init(N);
for (int j = 0; j < N; j++) {
unsigned v = (A[j] >> i) & 1;
init[j] = {.sum = v, .old = v, .len = 1};
}
segs.emplace_back(ActedMonoid(), init);
}
for (int i = 1; i <= Q; i++) {
int s, q;
cin >> s >> q;
int y = i;
for (int j = 1; j <= q; j++) {
int z = (s + j) % M;
int u = min(N, max(1, l[z] ^ y)) - 1;
int v = min(N, max(1, r[z] ^ y)) - 1;
int U = min(N, max(1, L[z] ^ y)) - 1;
int V = min(N, max(1, R[z] ^ y)) - 1;
int ll = min(u, v);
int rr = max(u, v) + 1;
int LL = min(U, V);
int RR = max(U, V) + 1;
if (z % 2 == 1) {
auto val = x[z] ^ y;
for (unsigned bit = val; bit; bit &= bit - 1) {
auto b = countr_zero(bit);
segs[b].apply(ll, rr, 1);
}
} else {
auto val = x[z] ^ y;
val = ~val & mask;
for (int bits = val; bits; bits &= bits - 1) {
int b = countr_zero((unsigned)bits);
segs[b].apply(ll, rr, 0);
}
}
y = 0;
for (int k = 0; k < 30; k++) {
auto c = segs[k].prod(LL, RR).sum;
y = y + ((uint64_t)c << k) & mask;
}
}
for (int k = 0; k < 30; k++) {
segs[k].apply(0, N, 2);
}
cout << y << "\n";
}
}
ei1333333