結果

問題 No.1891 Static Xor Range Composite Query
ユーザー Forested
提出日時 2022-04-04 20:56:30
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 446 ms / 5,000 ms
コード長 9,704 bytes
コンパイル時間 1,247 ms
コンパイル使用メモリ 121,708 KB
最終ジャッジ日時 2025-01-28 15:03:04
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 * 1
other AC * 30
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ソースコード

diff #
プレゼンテーションモードにする

// ===== template.hpp =====
#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <cmath>
#include <iomanip>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
#define OVERRIDE(a, b, c, d, ...) d
#define REP2(i, n) for (i32 i = 0; i < (i32) (n); ++i)
#define REP3(i, m, n) for (i32 i = (i32) (m); i < (i32) (n); ++i)
#define REP(...) OVERRIDE(__VA_ARGS__, REP3, REP2)(__VA_ARGS__)
#define PER(i, n) for (i32 i = (i32) (n) - 1; i >= 0; --i)
#define ALL(x) begin(x), end(x)
using namespace std;
using u32 = unsigned int;
using u64 = unsigned long long;
using u128 = __uint128_t;
using i32 = signed int;
using i64 = signed long long;
using i128 = __int128_t;
template <typename T>
using Vec = vector<T>;
template <typename T>
bool chmin(T &x, const T &y) {
if (x > y) {
x = y;
return true;
}
return false;
}
template <typename T>
bool chmax(T &x, const T &y) {
if (x < y) {
x = y;
return true;
}
return false;
}
[[maybe_unused]] constexpr i32 INF = 1000000100;
[[maybe_unused]] constexpr i64 INF64 = 3000000000000000100;
struct FastIO {
FastIO() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout << fixed << setprecision(10);
}
} fast_io;
// ===== template.hpp =====
#ifdef DEBUGF
#include "new_library/other/debug.hpp"
#else
#define DBG(x) (void) 0
#endif
// ===== mod_int.hpp =====
#ifndef MOD_INT_HPP
#define MOD_INT_HPP
#include <cassert>
#include <iostream>
#include <type_traits>
// ===== utils.hpp =====
#ifndef UTILS_HPP
#define UTILS_HPP
#include <cstddef>
constexpr bool is_prime(unsigned n) {
if (n == 0 || n == 1)
return false;
for (unsigned i = 2; i * i <= n; ++i) {
if (n % i == 0)
return false;
}
return true;
}
constexpr unsigned mod_pow(unsigned x, unsigned y, unsigned mod) {
unsigned ret = 1, self = x;
while (y != 0) {
if (y & 1)
ret = (unsigned long long)ret * self % mod;
self = (unsigned long long)self * self % mod;
y >>= 1;
}
return ret;
}
template <unsigned mod>
constexpr unsigned primitive_root() {
static_assert(is_prime(mod), "`mod` must be a prime number.");
if (mod == 2)
return 1;
unsigned primes[32] = {};
std::size_t it = 0;
{
unsigned m = mod - 1;
for (unsigned i = 2; i * i <= m; ++i) {
if (m % i == 0) {
primes[it++] = i;
while (m % i == 0)
m /= i;
}
}
if (m != 1)
primes[it++] = m;
}
for (unsigned i = 2; i < mod; ++i) {
bool ok = true;
for (std::size_t j = 0; j < it; ++j) {
if (mod_pow(i, (mod - 1) / primes[j], mod) == 1) {
ok = false;
break;
}
}
if (ok)
return i;
}
return 0;
}
#endif
// ===== utils.hpp =====
template <typename T, std::enable_if_t<std::is_signed_v<T>> * = nullptr>
constexpr unsigned safe_mod(T x, unsigned mod) {
if (x < 0) {
return (unsigned)(x % (T)mod + mod);
} else {
return (unsigned)(x % (T)mod);
}
}
template <typename T, std::enable_if_t<std::is_unsigned_v<T>> * = nullptr>
constexpr unsigned safe_mod(T x, unsigned mod) {
return (unsigned)(x % mod);
}
template <unsigned mod>
class ModInt {
static_assert(mod != 0, "`mod` must not be equal to 0.");
static_assert(
mod < (1u << 31),
"`mod` must be less than (1u << 31) = 2147483648.");
unsigned val;
public:
constexpr ModInt() : val(0) {}
template <typename T>
constexpr ModInt(T x) : val(safe_mod(x, mod)) {}
static constexpr ModInt raw(unsigned x) {
ModInt<mod> ret;
ret.val = x;
return ret;
}
constexpr unsigned get_val() const {
return val;
}
constexpr ModInt operator+() const {
return *this;
}
constexpr ModInt operator-() const {
return ModInt<mod>(0u) - *this;
}
constexpr ModInt &operator+=(const ModInt &rhs) {
val += rhs.val;
if (val >= mod)
val -= mod;
return *this;
}
constexpr ModInt &operator-=(const ModInt &rhs) {
if (val < rhs.val)
val += mod;
val -= rhs.val;
return *this;
}
constexpr ModInt &operator*=(const ModInt &rhs) {
val = (unsigned long long)val * rhs.val % mod;
return *this;
}
constexpr ModInt &operator/=(const ModInt &rhs) {
val = (unsigned long long)val * rhs.inv().val % mod;
return *this;
}
friend constexpr ModInt operator+(const ModInt &lhs, const ModInt &rhs) {
return ModInt<mod>(lhs) += rhs;
}
friend constexpr ModInt operator-(const ModInt &lhs, const ModInt &rhs) {
return ModInt<mod>(lhs) -= rhs;
}
friend constexpr ModInt operator*(const ModInt &lhs, const ModInt &rhs) {
return ModInt<mod>(lhs) *= rhs;
}
friend constexpr ModInt operator/(const ModInt &lhs, const ModInt &rhs) {
return ModInt<mod>(lhs) /= rhs;
}
constexpr ModInt pow(unsigned long long x) const {
ModInt<mod> ret = ModInt<mod>::raw(1);
ModInt<mod> self = *this;
while (x != 0) {
if (x & 1)
ret *= self;
self *= self;
x >>= 1;
}
return ret;
}
constexpr ModInt inv() const {
static_assert(is_prime(mod), "`mod` must be a prime number.");
assert(val != 0);
return this->pow(mod - 2);
}
friend std::istream &operator>>(std::istream &is, ModInt<mod> &x) {
is >> x.val;
// x.val %= mod;
return is;
}
friend std::ostream &operator<<(std::ostream &os, const ModInt<mod> &x) {
os << x.val;
return os;
}
friend bool operator==(const ModInt &lhs, const ModInt &rhs) {
return lhs.val == rhs.val;
}
friend bool operator!=(const ModInt &lhs, const ModInt &rhs) {
return lhs.val != rhs.val;
}
};
[[maybe_unused]] constexpr unsigned mod998244353 = 998244353;
[[maybe_unused]] constexpr unsigned mod1000000007 = 1000000007;
#endif
// ===== mod_int.hpp =====
using Mint = ModInt<mod998244353>;
// ===== linear_function.hpp =====
#ifndef LINEAR_FUNCTION_HPP
#define LINEAR_FUNCTION_HPP
template <typename T>
struct LinearFunction {
T slope;
T intercept;
LinearFunction() : slope(), intercept() {}
LinearFunction(const T &s, const T &i) : slope(s), intercept(i) {}
T operator()(const T &x) const {
return intercept + slope * x;
}
// (this)(other(x))
LinearFunction<T> composite(const LinearFunction<T> &other) const {
return LinearFunction<T>(
slope * other.slope,
slope * other.intercept + intercept);
}
};
#endif
// ===== linear_function.hpp =====
using F = LinearFunction<Mint>;
template <typename Monoid>
class SegmentTreeXorRange {
public:
using Value = typename Monoid::Value;
private:
static std::size_t floor_log2(std::size_t n) {
return 63 - __builtin_clzl(n);
}
std::size_t depth;
std::vector<std::vector<Value>> node;
public:
SegmentTreeXorRange(const std::vector<Value> &a) : depth(floor_log2(a.size())), node(2 * a.size()) {
assert(!a.empty());
assert(a.size() == (1ul << depth));
for (std::size_t i = 0; i < a.size(); ++i) {
node[a.size() + i] = {a[i]};
}
for (std::size_t i = a.size() - 1; i > 0; --i) {
std::size_t k = node[2 * i].size();
node[i].resize(2 * k);
for (std::size_t j = 0; j < k; ++j) {
node[i][j] = Monoid::op(node[2 * i][j], node[2 * i + 1][j]);
node[i][j + k] = Monoid::op(node[2 * i + 1][j], node[2 * i][j]);
}
}
}
Value prod(std::size_t l, std::size_t r, std::size_t x) const {
std::size_t d = depth;
std::size_t nodel_prefix = l;
std::size_t noder_prefix = r;
l += 1ul << depth;
r += 1ul << depth;
Value lp = Monoid::id();
Value rp = Monoid::id();
while (l < r) {
std::size_t x_upper = x >> (depth - d);
std::size_t x_lower = x ^ (x_upper << (depth - d));
if (l % 2 == 1) {
std::size_t nodei = (x_upper ^ nodel_prefix) + (1ul << d);
lp = Monoid::op(lp, node[nodei][x_lower]);
++l;
++nodel_prefix;
}
if (r % 2 == 1) {
--r;
--noder_prefix;
std::size_t nodei = (x_upper ^ noder_prefix) + (1ul << d);
rp = Monoid::op(node[nodei][x_lower], rp);
}
--d;
l /= 2;
nodel_prefix /= 2;
r /= 2;
noder_prefix /= 2;
}
return Monoid::op(lp, rp);
}
};
struct LFC {
using Value = F;
static Value id() {
return F(Mint(1), Mint(0));
}
static Value op(const Value &lhs, const Value &rhs) {
return rhs.composite(lhs);
}
};
int main() {
i32 n, q;
cin >> n >> q;
Vec<F> f(n);
REP(i, n) {
cin >> f[i].slope >> f[i].intercept;
}
SegmentTreeXorRange<LFC> segtree(f);
REP(qi, q) {
i32 l, r, p;
Mint x;
cin >> l >> r >> p >> x;
cout << segtree.prod(l, r, p)(x) << '\n';
}
}
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