結果
| 問題 | No.2338 Range AtCoder Query |
| ユーザー |
 suisen
|
| 提出日時 | 2023-06-02 22:22:08 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 34,137 bytes |
| コンパイル時間 | 3,796 ms |
| コンパイル使用メモリ | 329,276 KB |
| 最終ジャッジ日時 | 2025-02-13 18:53:31 |
|
ジャッジサーバーID （参考情報） |
judge3 / judge2 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 8 WA * 9 TLE * 17 |
ソースコード
#include <bits/stdc++.h>
#ifdef _MSC_VER
# include <intrin.h>
#else
# include <x86intrin.h>
#endif
#include <limits>
#include <type_traits>
namespace suisen {
// ! utility
template <typename ...Types>
using constraints_t = std::enable_if_t<std::conjunction_v<Types...>, std::nullptr_t>;
template <bool cond_v, typename Then, typename OrElse>
constexpr decltype(auto) constexpr_if(Then&& then, OrElse&& or_else) {
if constexpr (cond_v) {
return std::forward<Then>(then);
} else {
return std::forward<OrElse>(or_else);
}
}
// ! function
template <typename ReturnType, typename Callable, typename ...Args>
using is_same_as_invoke_result = std::is_same<std::invoke_result_t<Callable, Args...>, ReturnType>;
template <typename F, typename T>
using is_uni_op = is_same_as_invoke_result<T, F, T>;
template <typename F, typename T>
using is_bin_op = is_same_as_invoke_result<T, F, T, T>;
template <typename Comparator, typename T>
using is_comparator = std::is_same<std::invoke_result_t<Comparator, T, T>, bool>;
// ! integral
template <typename T, typename = constraints_t<std::is_integral<T>>>
constexpr int bit_num = std::numeric_limits<std::make_unsigned_t<T>>::digits;
template <typename T, unsigned int n>
struct is_nbit { static constexpr bool value = bit_num<T> == n; };
template <typename T, unsigned int n>
static constexpr bool is_nbit_v = is_nbit<T, n>::value;
// ?
template <typename T>
struct safely_multipliable {};
template <>
struct safely_multipliable<int> { using type = long long; };
template <>
struct safely_multipliable<long long> { using type = __int128_t; };
template <>
struct safely_multipliable<unsigned int> { using type = unsigned long long; };
template <>
struct safely_multipliable<unsigned long int> { using type = __uint128_t; };
template <>
struct safely_multipliable<unsigned long long> { using type = __uint128_t; };
template <>
struct safely_multipliable<float> { using type = float; };
template <>
struct safely_multipliable<double> { using type = double; };
template <>
struct safely_multipliable<long double> { using type = long double; };
template <typename T>
using safely_multipliable_t = typename safely_multipliable<T>::type;
template <typename T, typename = void>
struct rec_value_type {
using type = T;
};
template <typename T>
struct rec_value_type<T, std::void_t<typename T::value_type>> {
using type = typename rec_value_type<typename T::value_type>::type;
};
template <typename T>
using rec_value_type_t = typename rec_value_type<T>::type;
} // namespace suisen
// ! type aliases
using i128 = __int128_t;
using u128 = __uint128_t;
template <typename T>
using pq_greater = std::priority_queue<T, std::vector<T>, std::greater<T>>;
// ! macros (internal)
#define DETAIL_OVERLOAD2(_1,_2,name,...) name
#define DETAIL_OVERLOAD3(_1,_2,_3,name,...) name
#define DETAIL_OVERLOAD4(_1,_2,_3,_4,name,...) name
#define DETAIL_REP4(i,l,r,s) for(std::remove_reference_t<std::remove_const_t<decltype(r)>>i=(l);i<(r);i+=(s))
#define DETAIL_REP3(i,l,r) DETAIL_REP4(i,l,r,1)
#define DETAIL_REP2(i,n) DETAIL_REP3(i,0,n)
#define DETAIL_REPINF3(i,l,s) for(std::remove_reference_t<std::remove_const_t<decltype(l)>>i=(l);;i+=(s))
#define DETAIL_REPINF2(i,l) DETAIL_REPINF3(i,l,1)
#define DETAIL_REPINF1(i) DETAIL_REPINF2(i,0)
#define DETAIL_RREP4(i,l,r,s) for(std::remove_reference_t<std::remove_const_t<decltype(r)>>i=(l)+fld((r)-(l)-1,s)*(s);i>=(l);i-=(s))
#define DETAIL_RREP3(i,l,r) DETAIL_RREP4(i,l,r,1)
#define DETAIL_RREP2(i,n) DETAIL_RREP3(i,0,n)
#define DETAIL_CAT_I(a, b) a##b
#define DETAIL_CAT(a, b) DETAIL_CAT_I(a, b)
#define DETAIL_UNIQVAR(tag) DETAIL_CAT(tag, __LINE__)
// ! macros
#define REP(...) DETAIL_OVERLOAD4(__VA_ARGS__, DETAIL_REP4 , DETAIL_REP3 , DETAIL_REP2 )(__VA_ARGS__)
#define RREP(...) DETAIL_OVERLOAD4(__VA_ARGS__, DETAIL_RREP4 , DETAIL_RREP3 , DETAIL_RREP2 )(__VA_ARGS__)
#define REPINF(...) DETAIL_OVERLOAD3(__VA_ARGS__, DETAIL_REPINF3, DETAIL_REPINF2, DETAIL_REPINF1)(__VA_ARGS__)
#define LOOP(n) for (std::remove_reference_t<std::remove_const_t<decltype(n)>> DETAIL_UNIQVAR(loop_variable) = n; DETAIL_UNIQVAR(loop_variable) --> 0;)
#define ALL(iterable) std::begin(iterable), std::end(iterable)
#define INPUT(type, ...) type __VA_ARGS__; read(__VA_ARGS__)
// ! debug
#ifdef LOCAL
# define debug(...) debug_internal(#__VA_ARGS__, __VA_ARGS__)
template <class T, class... Args>
void debug_internal(const char* s, T&& first, Args&&... args) {
constexpr const char* prefix = "[\033[32mDEBUG\033[m] ";
constexpr const char* open_brakets = sizeof...(args) == 0 ? "" : "(";
constexpr const char* close_brakets = sizeof...(args) == 0 ? "" : ")";
std::cerr << prefix << open_brakets << s << close_brakets << ": " << open_brakets << std::forward<T>(first);
((std::cerr << ", " << std::forward<Args>(args)), ...);
std::cerr << close_brakets << "\n";
}
#else
# define debug(...) void(0)
#endif
// ! I/O utilities
// __int128_t
std::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;
}
// __uint128_t
std::ostream& operator<<(std::ostream& dest, __uint128_t value) {
std::ostream::sentry s(dest);
if (s) {
char buffer[128];
char* d = std::end(buffer);
do {
--d;
*d = "0123456789"[value % 10];
value /= 10;
} while (value != 0);
int len = std::end(buffer) - d;
if (dest.rdbuf()->sputn(d, len) != len) {
dest.setstate(std::ios_base::badbit);
}
}
return dest;
}
// pair
template <typename T, typename U>
std::ostream& operator<<(std::ostream& out, const std::pair<T, U>& a) {
return out << a.first << ' ' << a.second;
}
// tuple
template <unsigned int N = 0, typename ...Args>
std::ostream& operator<<(std::ostream& out, const std::tuple<Args...>& a) {
if constexpr (N >= std::tuple_size_v<std::tuple<Args...>>) return out;
else {
out << std::get<N>(a);
if constexpr (N + 1 < std::tuple_size_v<std::tuple<Args...>>) out << ' ';
return operator<<<N + 1>(out, a);
}
}
// vector
template <typename T>
std::ostream& operator<<(std::ostream& out, const std::vector<T>& a) {
for (auto it = a.begin(); it != a.end();) {
out << *it;
if (++it != a.end()) out << ' ';
}
return out;
}
// array
template <typename T, size_t N>
std::ostream& operator<<(std::ostream& out, const std::array<T, N>& a) {
for (auto it = a.begin(); it != a.end();) {
out << *it;
if (++it != a.end()) out << ' ';
}
return out;
}
inline void print() { std::cout << '\n'; }
template <typename Head, typename... Tail>
inline void print(const Head& head, const Tail &...tails) {
std::cout << head;
if (sizeof...(tails)) std::cout << ' ';
print(tails...);
}
template <typename Iterable>
auto print_all(const Iterable& v, std::string sep = " ", std::string end = "\n") -> decltype(std::cout << *v.begin(), void()) {
for (auto it = v.begin(); it != v.end();) {
std::cout << *it;
if (++it != v.end()) std::cout << sep;
}
std::cout << end;
}
__int128_t stoi128(const std::string& s) {
__int128_t ret = 0;
for (int i = 0; i < int(s.size()); i++) if ('0' <= s[i] and s[i] <= '9') ret = 10 * ret + s[i] - '0';
if (s[0] == '-') ret = -ret;
return ret;
}
__uint128_t stou128(const std::string& s) {
__uint128_t ret = 0;
for (int i = 0; i < int(s.size()); i++) if ('0' <= s[i] and s[i] <= '9') ret = 10 * ret + s[i] - '0';
return ret;
}
// __int128_t
std::istream& operator>>(std::istream& in, __int128_t& v) {
std::string s;
in >> s;
v = stoi128(s);
return in;
}
// __uint128_t
std::istream& operator>>(std::istream& in, __uint128_t& v) {
std::string s;
in >> s;
v = stou128(s);
return in;
}
// pair
template <typename T, typename U>
std::istream& operator>>(std::istream& in, std::pair<T, U>& a) {
return in >> a.first >> a.second;
}
// tuple
template <unsigned int N = 0, typename ...Args>
std::istream& operator>>(std::istream& in, std::tuple<Args...>& a) {
if constexpr (N >= std::tuple_size_v<std::tuple<Args...>>) return in;
else return operator>><N + 1>(in >> std::get<N>(a), a);
}
// vector
template <typename T>
std::istream& operator>>(std::istream& in, std::vector<T>& a) {
for (auto it = a.begin(); it != a.end(); ++it) in >> *it;
return in;
}
// array
template <typename T, size_t N>
std::istream& operator>>(std::istream& in, std::array<T, N>& a) {
for (auto it = a.begin(); it != a.end(); ++it) in >> *it;
return in;
}
template <typename ...Args>
void read(Args &...args) {
(std::cin >> ... >> args);
}
// ! integral utilities
// Returns pow(-1, n)
template <typename T> constexpr inline int pow_m1(T n) {
return -(n & 1) | 1;
}
// Returns pow(-1, n)
template <> constexpr inline int pow_m1<bool>(bool n) {
return -int(n) | 1;
}
// Returns floor(x / y)
template <typename T> constexpr inline T fld(const T x, const T y) {
return (x ^ y) >= 0 ? x / y : (x - (y + pow_m1(y >= 0))) / y;
}
template <typename T> constexpr inline T cld(const T x, const T y) {
return (x ^ y) <= 0 ? x / y : (x + (y + pow_m1(y >= 0))) / y;
}
template <typename T, std::enable_if_t<std::negation_v<suisen::is_nbit<T, 64>>, std::nullptr_t> = nullptr>
__attribute__((target("popcnt"))) constexpr inline int popcount(const T x) { return _mm_popcnt_u32(x); }
template <typename T, std::enable_if_t<suisen::is_nbit_v<T, 64>, std::nullptr_t> = nullptr>
__attribute__((target("popcnt"))) constexpr inline int popcount(const T x) { return _mm_popcnt_u64(x); }
template <typename T, std::enable_if_t<std::negation_v<suisen::is_nbit<T, 64>>, std::nullptr_t> = nullptr>
constexpr inline int count_lz(const T x) { return x ? __builtin_clz(x) : suisen::bit_num<T>; }
template <typename T, std::enable_if_t<suisen::is_nbit_v<T, 64>, std::nullptr_t> = nullptr>
constexpr inline int count_lz(const T x) { return x ? __builtin_clzll(x) : suisen::bit_num<T>; }
template <typename T, std::enable_if_t<std::negation_v<suisen::is_nbit<T, 64>>, std::nullptr_t> = nullptr>
constexpr inline int count_tz(const T x) { return x ? __builtin_ctz(x) : suisen::bit_num<T>; }
template <typename T, std::enable_if_t<suisen::is_nbit_v<T, 64>, std::nullptr_t> = nullptr>
constexpr inline int count_tz(const T x) { return x ? __builtin_ctzll(x) : suisen::bit_num<T>; }
template <typename T> constexpr inline int floor_log2(const T x) { return suisen::bit_num<T> - 1 - count_lz(x); }
template <typename T> constexpr inline int ceil_log2(const T x) { return floor_log2(x) + ((x & -x) != x); }
template <typename T> constexpr inline int kth_bit(const T x, const unsigned int k) { return (x >> k) & 1; }
template <typename T> constexpr inline int parity(const T x) { return popcount(x) & 1; }
// ! container
template <typename T, typename Comparator>
auto priqueue_comp(const Comparator comparator) {
return std::priority_queue<T, std::vector<T>, Comparator>(comparator);
}
template <typename Container>
void sort_unique_erase(Container& a) {
std::sort(a.begin(), a.end());
a.erase(std::unique(a.begin(), a.end()), a.end());
}
template <typename InputIterator, typename BiConsumer>
auto foreach_adjacent_values(InputIterator first, InputIterator last, BiConsumer f) -> decltype(f(*first++, *last), void()) {
if (first != last) for (auto itr = first, itl = itr++; itr != last; itl = itr++) f(*itl, *itr);
}
template <typename Container, typename BiConsumer>
auto foreach_adjacent_values(Container &&c, BiConsumer f) -> decltype(c.begin(), c.end(), void()) {
foreach_adjacent_values(c.begin(), c.end(), f);
}
// ! other utilities
// x <- min(x, y). returns true iff `x` has chenged.
template <typename T>
inline bool chmin(T& x, const T& y) {
return y >= x ? false : (x = y, true);
}
// x <- max(x, y). returns true iff `x` has chenged.
template <typename T>
inline bool chmax(T& x, const T& y) {
return y <= x ? false : (x = y, true);
}
template <typename T, std::enable_if_t<std::is_integral_v<T>, std::nullptr_t> = nullptr>
std::string bin(T val, int bit_num = -1) {
std::string res;
if (bit_num != -1) {
for (int bit = bit_num; bit-- > 0;) res += '0' + ((val >> bit) & 1);
} else {
for (; val; val >>= 1) res += '0' + (val & 1);
std::reverse(res.begin(), res.end());
}
return res;
}
template <typename T, std::enable_if_t<std::is_integral_v<T>, std::nullptr_t> = nullptr>
std::vector<T> digits_low_to_high(T val, T base = 10) {
std::vector<T> res;
for (; val; val /= base) res.push_back(val % base);
if (res.empty()) res.push_back(T{ 0 });
return res;
}
template <typename T, std::enable_if_t<std::is_integral_v<T>, std::nullptr_t> = nullptr>
std::vector<T> digits_high_to_low(T val, T base = 10) {
auto res = digits_low_to_high(val, base);
std::reverse(res.begin(), res.end());
return res;
}
template <typename T>
std::string join(const std::vector<T>& v, const std::string& sep, const std::string& end) {
std::ostringstream ss;
for (auto it = v.begin(); it != v.end();) {
ss << *it;
if (++it != v.end()) ss << sep;
}
ss << end;
return ss.str();
}
template <typename Func, typename Seq>
auto transform_to_vector(const Func &f, const Seq &s) {
std::vector<std::invoke_result_t<Func, typename Seq::value_type>> v;
v.reserve(std::size(s)), std::transform(std::begin(s), std::end(s), std::back_inserter(v), f);
return v;
}
template <typename T, typename Seq>
auto copy_to_vector(const Seq &s) {
std::vector<T> v;
v.reserve(std::size(s)), std::copy(std::begin(s), std::end(s), std::back_inserter(v));
return v;
}
template <typename Seq>
Seq concat(Seq s, const Seq &t) {
s.reserve(std::size(s) + std::size(t));
std::copy(std::begin(t), std::end(t), std::back_inserter(s));
return s;
}
template <typename Seq>
std::vector<Seq> split(const Seq s, typename Seq::value_type delim) {
std::vector<Seq> res;
for (auto itl = std::begin(s), itr = itl;; itl = ++itr) {
while (itr != std::end(s) and *itr != delim) ++itr;
res.emplace_back(itl, itr);
if (itr == std::end(s)) return res;
}
}
int digit_to_int(char c) { return c - '0'; }
int lowercase_to_int(char c) { return c - 'a'; }
int uppercase_to_int(char c) { return c - 'A'; }
std::vector<int> digit_str_to_ints(const std::string &s) {
return transform_to_vector(digit_to_int, s);
}
std::vector<int> lowercase_str_to_ints(const std::string &s) {
return transform_to_vector(lowercase_to_int, s);
}
std::vector<int> uppercase_str_to_ints(const std::string &s) {
return transform_to_vector(uppercase_to_int, s);
}
const std::string Yes = "Yes", No = "No", YES = "YES", NO = "NO";
namespace suisen {}
using namespace suisen;
using namespace std;
struct io_setup {
io_setup(int precision = 20) {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
std::cout << std::fixed << std::setprecision(precision);
}
} io_setup_ {};
// ! code from here
#include <algorithm>
#include <cmath>
#include <numeric>
#include <vector>
namespace suisen {
struct Mo {
Mo() {}
Mo(const int n, const std::vector<std::pair<int, int>> &queries) : n(n), q(queries.size()), b(bucket_size(n, q)), qs(queries), ord(q) {
std::iota(ord.begin(), ord.end(), 0);
std::sort(
ord.begin(), ord.end(),
[&, this](int i, int j) {
const auto &[li, ri] = qs[i];
const auto &[lj, rj] = qs[j];
const int bi = li / b, bj = lj / b;
if (bi != bj) return bi < bj;
if (ri != rj) return bi & 1 ? ri > rj : ri < rj;
return li < lj;
}
);
}
// getter methods used in updating functions: AddL, DelL, etc.
auto get_left() const { return l; }
auto get_right() const { return r; }
auto get_range() const { return std::make_pair(l, r); }
auto get_query_id() const { return query_id; }
/**
* [Parameters]
* Eval : () -> T : return the current answer
* AddL : int -> any (discarded) : add `l` to the current range [l + 1, r)
* DelL : int -> any (discarded) : delete `l` from the current range [l, r)
* AddR : int -> any (discarded) : add `r` to the current range [l, r)
* DelR : int -> any (discarded) : delete `r` from the current range [l, r + 1)
*
* [Note]
* starting from the range [0, 0).
*/
template <typename Eval, typename AddL, typename DelL, typename AddR, typename DelR>
auto solve(Eval eval, AddL add_l, DelL del_l, AddR add_r, DelR del_r) {
l = 0, r = 0;
std::vector<decltype(eval())> res(q);
for (int qi : ord) {
const auto &[nl, nr] = qs[query_id = qi];
while (r < nr) add_r(r), ++r;
while (l > nl) --l, add_l(l);
while (r > nr) --r, del_r(r);
while (l < nl) del_l(l), ++l;
res[qi] = eval();
}
return res;
}
/**
* [Parameters]
* Eval : () -> T : return the current answer
* Add : int -> any (discarded) : add `i` to the current range [i + 1, r) or [l, i)
* Del : int -> any (discarded) : delete `i` from the current range [i, r) or [l, i + 1)
*
* [Note]
* starting from the range [0, 0).
*/
template <typename Eval, typename Add, typename Del>
auto solve(Eval eval, Add add, Del del) {
return solve(eval, add, del, add, del);
}
private:
int n, q, b;
int query_id = -1;
std::vector<std::pair<int, int>> qs;
std::vector<int> ord;
int l = 0, r = 0;
static int bucket_size(int n, int q) {
return std::max(1, int(::sqrt(3) * n / ::sqrt(std::max(1, 2 * q))));
}
};
} // namespace suisen
#include <cassert>
#include <array>
#include <cstdint>
namespace suisen {
struct BitVector {
explicit BitVector(int n) : n(n), nl((n >> LOG_BLOCK_L) + 1), ns((n >> LOG_BLOCK_S) + 1), cum_l(nl, 0), cum_s(ns, 0), bits(ns, 0) {}
BitVector() : BitVector(0) {}
template <typename Gen, constraints_t<is_same_as_invoke_result<bool, Gen, int>> = nullptr>
BitVector(int n, Gen gen) : BitVector(n) {
build(gen);
}
BitVector& operator=(const BitVector& bv) {
n = bv.n, nl = bv.nl, ns = bv.ns, cum_l = bv.cum_l, cum_s = bv.cum_s, bits = bv.bits;
return *this;
}
BitVector& operator=(BitVector&& bv) {
n = bv.n, nl = bv.nl, ns = bv.ns, cum_l = std::move(bv.cum_l), cum_s = std::move(bv.cum_s), bits = std::move(bv.bits);
return *this;
}
template <typename Gen, constraints_t<is_same_as_invoke_result<bool, Gen, int>> = nullptr>
void build(Gen gen) {
int i = 0;
for (int index_s = 1; index_s < ns; ++index_s) {
int count = cum_s[index_s - 1];
for (; i < index_s << LOG_BLOCK_S; ++i) {
bool b = gen(i);
bits[index_s - 1] |= b << (i & MASK_S);
count += b;
}
if (index_s & ((1 << (LOG_BLOCK_L - LOG_BLOCK_S)) - 1)) {
cum_s[index_s] = count;
} else {
int index_l = i >> LOG_BLOCK_L;
cum_l[index_l] = cum_l[index_l - 1] + count;
}
}
for (; i < n; ++i) bits[ns - 1] |= gen(i) << (i & MASK_S);
}
bool operator[](int i) const {
return (bits[i >> LOG_BLOCK_S] >> (i & MASK_S)) & 1;
}
// returns the i'th val (i: 0-indexed)
bool access(int i) const {
return (*this)[i];
}
// returns the number of val in [0, i)
int rank(bool val, int i) const {
int res_1 = cum_l[i >> LOG_BLOCK_L] + cum_s[i >> LOG_BLOCK_S] + popcount8(bits[i >> LOG_BLOCK_S] & ((1 << (i & MASK_S)) - 1));
return val ? res_1 : i - res_1;
}
// returns the number of val in [l, r)
int rank(bool val, int l, int r) const {
return rank(val, r) - rank(val, l);
}
// find the index of num'th val. (num: 1-indexed). if not exists, returns default_value.
int select(bool val, int num, int default_value = -1) const {
int l = -1, r = n + 1;
while (r - l > 1) {
int m = (l + r) >> 1;
(rank(val, m) >= num ? r : l) = m;
}
return r == n + 1 ? default_value : r;
}
private:
static constexpr int LOG_BLOCK_L = 8;
static constexpr int LOG_BLOCK_S = 3;
static constexpr int MASK_S = (1 << LOG_BLOCK_S) - 1;
int n, nl, ns;
std::vector<int> cum_l;
std::vector<std::uint8_t> cum_s, bits;
static constexpr std::uint8_t popcount8(std::uint8_t x) {
x = (x & 0b01010101) + ((x >> 1) & 0b01010101);
x = (x & 0b00110011) + ((x >> 2) & 0b00110011);
return (x & 0b00001111) + (x >> 4);
}
};
} // namespace suisen
namespace suisen {
template <typename T, int bit_num = std::numeric_limits<std::make_unsigned_t<T>>::digits>
struct WaveletMatrix {
// default constructor
WaveletMatrix() noexcept : n(0) {}
// builds WaveletMatrix from generating function typed as (int) -> T
template <typename Gen, constraints_t<is_same_as_invoke_result<T, Gen, int>> = nullptr>
WaveletMatrix(int n, Gen generator) : n(n) {
build(generator);
}
// builds WaveletMatrix from vector
template <typename U, constraints_t<std::is_constructible<T, U>> = nullptr>
WaveletMatrix(const std::vector<U>& a) : WaveletMatrix(a.size(), [&a](int i) { return T(a[i]); }) {}
// builds WaveletMatrix from generating function typed as (int) -> T
template <typename Gen, constraints_t<is_same_as_invoke_result<T, Gen, int>> = nullptr>
void build(Gen generator) {
std::vector<T> a(n), l(n), r(n);
for (int i = 0; i < n; ++i) a[i] = generator(i);
for (int log = bit_num - 1; log >= 0; --log) {
bv[log] = BitVector(n, [&a, log](int i) -> bool { return (a[i] >> log) & 1; });
int li = 0, ri = 0;
for (int i = 0; i < n; ++i) {
((a[i] >> log) & 1 ? r[ri++] : l[li++]) = a[i];
}
a.swap(l);
std::copy(r.begin(), r.begin() + ri, a.begin() + li);
mid[log] = li;
}
}
// returns WaveletMatrix[i]
T operator[](int i) const {
T res = 0;
for (int log = bit_num - 1; log >= 0; --log) {
bool b = bv[log][i];
res |= T(b) << log;
i = b * mid[log] + bv[log].rank(b, i);
}
return res;
}
// returns WaveletMatrix[i]
T access(int i) const {
return (*this)[i];
}
// returns the number of `val` in WaveletMatrix[0, i).
int rank(T val, int i) const {
check_value_bounds(val);
int l = 0, r = i;
for (int log = bit_num - 1; log >= 0; --log) succ(l, r, (val >> log) & 1, log);
return r - l;
}
// returns the k'th smallest value in the multiset {| x ^ WaveletMatrix[i] : i in [l, r) |} (k : 0-indexed)
T range_xor_kth_smallest(int l, int r, int k, T x, T default_value = T(-1)) const {
if (k < 0 or k >= r - l) return default_value;
T res = 0;
check_value_bounds(x);
for (int log = bit_num - 1; log >= 0; --log) {
bool z = (x >> log) & 1;
int cnt_z = bv[log].rank(z, l, r);
bool skip_z = k >= cnt_z, bit = z ^ skip_z;
succ(l, r, bit, log);
res |= T(bit) << log;
k -= skip_z * cnt_z;
}
return res;
}
// returns the k'th largest value in the multiset {| x ^ WaveletMatrix[i] : i in [l, r) |} (k : 0-indexed)
T range_xor_kth_largest(int l, int r, int k, T x, T default_value = T(-1)) const {
return range_xor_kth_smallest(l, r, r - l - 1 - k, x, default_value);
}
// returns the minimum value in the set { x ^ WaveletMatrix[i] : i in [l, r) }
T range_xor_min(int l, int r, T x) const {
assert(l < r);
return range_xor_kth_smallest(l, r, 0, x);
}
// returns the maximum value in the set { x ^ WaveletMatrix[i] : i in [l, r) }
T range_xor_max(int l, int r, T x) const {
assert(l < r);
return range_xor_kth_largest(l, r, 0, x);
}
// returns the number of v in WaveletMatrix[l, r) s.t. v ^ x < upper
int range_xor_freq(int l, int r, T x, T upper) const {
if (r <= l) return 0;
if (upper > MAX) return r - l;
check_value_bounds(x);
int res = 0;
for (int log = bit_num - 1; log >= 0; --log) {
bool z = (x >> log) & 1, u = (upper >> log) & 1;
if (u) res += bv[log].rank(z, l, r);
succ(l, r, z ^ u, log);
}
return res;
}
// returns the number of v in WaveletMatrix[l, r) s.t. lower <= x ^ v < upper
int range_xor_freq(int l, int r, T x, T lower, T upper) const {
if (lower >= upper) return 0;
return range_xor_freq(l, r, x, upper) - range_xor_freq(l, r, x, lower);
}
// returns the minimum value v in WaveletMatrix[l, r) s.t. lower <= x ^ v
T range_xor_min_geq(int l, int r, T x, T lower, T default_value = T(-1)) const {
int cnt = range_xor_freq(l, r, x, lower);
return cnt >= r - l ? default_value : range_xor_kth_smallest(l, r, cnt, x);
}
// returns the minimum value v in WaveletMatrix[l, r) s.t. lower < x ^ v
T range_xor_min_gt(int l, int r, T x, T lower, T default_value = T(-1)) const {
return lower == MAX ? default_value : range_xor_min_geq(l, r, x, lower + 1, default_value);
}
// returns the maximum value v in WaveletMatrix[l, r) s.t. x ^ v < upper
T range_xor_max_lt(int l, int r, T x, T upper, T default_value = T(-1)) const {
int cnt = range_xor_freq(l, r, x, upper);
return cnt == 0 ? default_value : range_xor_kth_smallest(l, r, cnt - 1, x, default_value);
}
// returns the maximum value v in WaveletMatrix[l, r) s.t. x ^ v <= upper
T range_xor_max_leq(int l, int r, T x, T upper, T default_value = T(-1)) const {
if (l >= r) return default_value;
return upper == MAX ? range_xor_max(l, r, x) : range_xor_max_lt(l, r, x, upper + 1, default_value);
}
// returns the k'th smallest value in WaveletMatrix[l, r) (k : 0-indexed)
T range_kth_smallest(int l, int r, int k, T default_value = T(-1)) const { return range_xor_kth_smallest(l, r, k, 0, default_value); }
// returns the k'th largest value in WaveletMatrix[l, r) (k : 0-indexed)
T range_kth_largest(int l, int r, int k, T default_value = T(-1)) const { return range_xor_kth_largest(l, r, k, 0, default_value); }
// returns the minimum value in WaveletMatrix[l, r)
T range_min(int l, int r) const { return range_xor_min(l, r, 0); }
// returns the maximum value in WaveletMatrix[l, r)
T range_max(int l, int r) const { return range_xor_max(l, r, 0); }
// returns the number of v in WaveletMatrix[l, r) s.t. v < upper
int range_freq(int l, int r, T upper) const { return range_xor_freq(l, r, 0, upper); }
// returns the number of v in WaveletMatrix[l, r) s.t. lower <= v < upper
int range_freq(int l, int r, T lower, T upper) const { return range_xor_freq(l, r, 0, lower, upper); }
// returns the minimum value v in WaveletMatrix[l, r) s.t. lower <= v
T range_min_geq(int l, int r, T lower, T default_value = T(-1)) const { return range_xor_min_geq(l, r, 0, lower, default_value); }
// returns the minimum value v in WaveletMatrix[l, r) s.t. lower < v
T range_min_gt(int l, int r, T lower, T default_value = T(-1)) const { return range_xor_min_gt(l, r, 0, lower, default_value); }
// returns the maximum value v in WaveletMatrix[l, r) s.t. v < upper
T range_max_lt(int l, int r, T upper, T default_value = T(-1)) const { return range_xor_max_lt(l, r, 0, upper, default_value); }
// returns the maximum value v in WaveletMatrix[l, r) s.t. v <= upper
T range_max_leq(int l, int r, T upper, T default_value = T(-1)) const { return range_xor_max_leq(l, r, 0, upper, default_value); }
protected:
WaveletMatrix(int n) noexcept : n(n) {}
private:
static_assert(bit_num > 0);
static constexpr T MAX = bit_num == std::numeric_limits<T>::digits ? std::numeric_limits<T>::max() : (T(1) << bit_num) - 1;
int n;
std::array<BitVector, bit_num> bv;
std::array<int, bit_num> mid;
void succ(int& l, int& r, const bool b, const int log) const {
l = b * mid[log] + bv[log].rank(b, l);
r = b * mid[log] + bv[log].rank(b, r);
}
static void check_value_bounds(T val) {
assert((val >> bit_num) == 0);
}
};
} // namespace suisen
int main() {
int n, m, q;
read(n, m, q);
vector<pair<int, bool>> ps(n);
for (auto& [p, v] : ps) {
read(p);
--p;
string s;
read(s);
v = s == "AC";
}
vector<int> d(n);
REP(i, n) d[i] = ps[i].first;
WaveletMatrix<int, 18> wm(d);
vector<int> prv(n), nxt(n);
vector<int> prv_cnt(n), nxt_cnt(n);
{
vector<int> pos(m, n), cnt(m, 0);
RREP(i, n) {
nxt[i] = pos[ps[i].first];
nxt_cnt[i] = cnt[ps[i].first];
if (ps[i].second) {
pos[ps[i].first] = i;
cnt[ps[i].first] = 0;
} else {
++cnt[ps[i].first];
}
}
}
{
vector<int> pos(m, -1), cnt(m, 0);
REP(i, n) {
prv[i] = pos[ps[i].first];
prv_cnt[i] = cnt[ps[i].first];
if (ps[i].second) {
pos[ps[i].first] = i;
cnt[ps[i].first] = 0;
} else {
++cnt[ps[i].first];
}
}
}
vector<pair<int, int>> qs(q);
for (auto &[l, r] : qs) {
read(l, r);
--l;
}
Mo mo(n, qs);
vector<int> first(m, -1);
int ac = 0, wa = 0;
auto ans = mo.solve(
[&]{
return pair { ac, wa };
},
[&](int l) {
auto [p, v] = ps[l];
if (v) {
if (first[p] == -1) {
++ac;
first[p] = l;
} else {
wa -= prv_cnt[first[p]];
first[p] = l;
}
} else {
if (first[p] == -1) {
// pass
} else {
++wa;
}
}
},
[&](int l) {
auto [p, v] = ps[l];
if (v) {
if (first[p] == -1) {
assert(false);
} else {
int pos = nxt[l];
if (pos < mo.get_right()) {
wa += nxt_cnt[l];
} else {
--ac;
first[p] = -1;
}
}
} else {
if (first[p] == -1) {
// pass
} else {
--wa;
}
}
},
[&](int r) {
auto [p, v] = ps[r];
if (v) {
if (first[p] == -1) {
++ac;
int l = mo.get_left();
wa += wm.rank(p, r) - wm.rank(p, l);
// REP(i, l, r) if (ps[i].first == p) {
// ++wa;
// }
first[p] = r;
} else {
// pass
}
} else {
// pass
}
},
[&](int r) {
auto [p, v] = ps[r];
if (v) {
if (first[p] == -1) {
assert(false);
} else {
if (first[p] < r) {
// pass
} else {
--ac;
int l = mo.get_left();
wa -= wm.rank(p, r) - wm.rank(p, l);
// REP(i, l, r) if (ps[i].first == p) {
// --wa;
// }
first[p] = -1;
}
}
} else {
// pass
}
}
);
print_all(ans, "\n");
return 0;
}