結果
| 問題 |
No.2879 Range Flip Queries
|
| コンテスト | |
| ユーザー |
 AC2K
|
| 提出日時 | 2024-09-08 12:34:08 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 7,940 bytes |
| コンパイル時間 | 3,142 ms |
| コンパイル使用メモリ | 249,496 KB |
| 実行使用メモリ | 9,452 KB |
| 最終ジャッジ日時 | 2024-09-08 12:34:22 |
| 合計ジャッジ時間 | 9,218 ms |
|
ジャッジサーバーID （参考情報） |
judge4 / judge1 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | WA * 3 |
| other | AC * 2 WA * 28 |
ソースコード
#line 2 "Library/src/data-structure/dual_segtree.hpp"
#include <cassert>
#include <vector>
namespace kyopro {
template <class F, auto composition, auto id> class dual_segtree {
std::vector<F> dat;
int _n, sz, lg;
public:
dual_segtree() : dual_segtree(0) {}
dual_segtree(int _n) : _n(_n) {
sz = 1, lg = 0;
while (sz < _n) {
++lg;
sz <<= 1;
}
dat.assign(sz << 1, id());
}
private:
void update(int p, const F& v) { dat[p] = composition(dat[p], v); }
void push(int p) {
if (dat[p] == id()) {
return;
}
update(p << 1 | 0, dat[p]);
update(p << 1 | 1, dat[p]);
dat[p] = id();
}
public:
F operator[](int p) {
assert(0 <= p && p < _n);
p += sz;
for (int i = lg; i > 0; i--) {
push(p >> i);
}
return dat[p];
}
void apply(int l, int r, const F& v) {
assert(0 <= l && l <= r && r <= _n);
if (l == r) return;
l += sz, r += sz;
for (int i = lg; i > 0; i--) {
if (((l >> i) << i) != l) {
push(l >> i);
}
if (((r >> i) << i) != r) {
push((r - 1) >> i);
}
}
while (l < r) {
if (l & 1) {
update(l++, v);
}
if (r & 1) {
update(--r, v);
}
l >>= 1, r >>= 1;
}
}
};
}; // namespace kyopro
/**
* @brief Dual Segment Tree
*/
#line 1 "Library/src/debug.hpp"
#ifdef ONLINE_JUDGE
#define debug(x) void(0)
#else
#define _GLIBCXX_DEBUG
#define debug(x) std::cerr << __LINE__ << " : " << #x << " = " << (x) << std::endl
#endif
/**
* @brief Debugger
*/
#line 2 "Library/src/stream.hpp"
#include <ctype.h>
#include <stdio.h>
#include <string>
#line 2 "Library/src/internal/type_traits.hpp"
#include <iostream>
#include <limits>
#include <numeric>
#include <typeinfo>
#include <cstdint>
namespace kyopro {
namespace internal {
template <typename... Args> struct first_enabled {};
template <typename T, typename... Args>
struct first_enabled<std::enable_if<true, T>, Args...> {
using type = T;
};
template <typename T, typename... Args>
struct first_enabled<std::enable_if<false, T>, Args...>
: first_enabled<Args...> {};
template <typename T, typename... Args> struct first_enabled<T, Args...> {
using type = T;
};
template <typename... Args>
using first_enabled_t = typename first_enabled<Args...>::type;
template <int dgt, std::enable_if_t<dgt <= 128>* = nullptr> struct int_least {
using type = first_enabled_t<std::enable_if<dgt <= 8, std::int8_t>,
std::enable_if<dgt <= 16, std::int16_t>,
std::enable_if<dgt <= 32, std::int32_t>,
std::enable_if<dgt <= 64, std::int64_t>,
std::enable_if<dgt <= 128, __int128_t>>;
};
template <int dgt, std::enable_if_t<dgt <= 128>* = nullptr> struct uint_least {
using type = first_enabled_t<std::enable_if<dgt <= 8, std::uint8_t>,
std::enable_if<dgt <= 16, std::uint16_t>,
std::enable_if<dgt <= 32, std::uint32_t>,
std::enable_if<dgt <= 64, std::uint64_t>,
std::enable_if<dgt <= 128, __uint128_t>>;
};
template <int dgt> using int_least_t = typename int_least<dgt>::type;
template <int dgt> using uint_least_t = typename uint_least<dgt>::type;
template <typename T>
using double_size_uint_t = uint_least_t<2 * std::numeric_limits<T>::digits>;
template <typename T>
using double_size_int_t = int_least_t<2 * std::numeric_limits<T>::digits>;
struct modint_base {};
template <typename T> using is_modint = std::is_base_of<modint_base, T>;
template <typename T> using is_modint_t = std::enable_if_t<is_modint<T>::value>;
// is_integral
template <typename T>
using is_integral_t =
std::enable_if_t<std::is_integral_v<T> || std::is_same_v<T, __int128_t> ||
std::is_same_v<T, __uint128_t>>;
}; // namespace internal
}; // namespace kyopro
/**
* @brief Type Traits
* @see https://qiita.com/kazatsuyu/items/f8c3b304e7f8b35263d8
*/
#line 6 "Library/src/stream.hpp"
namespace kyopro {
inline void single_read(char& c) {
c = getchar_unlocked();
while (isspace(c)) c = getchar_unlocked();
}
template <typename T, internal::is_integral_t<T>* = nullptr>
inline void single_read(T& a) {
a = 0;
bool is_negative = false;
char c = getchar_unlocked();
while (isspace(c)) {
c = getchar_unlocked();
}
if (c == '-') is_negative = true, c = getchar_unlocked();
while (isdigit(c)) {
a = 10 * a + (c - '0');
c = getchar_unlocked();
}
if (is_negative) a *= -1;
}
template <typename T, internal::is_modint_t<T>* = nullptr>
inline void single_read(T& a) {
long long x;
single_read(x);
a = T(x);
}
inline void single_read(std::string& str) noexcept {
char c = getchar_unlocked();
while (isspace(c)) c = getchar_unlocked();
while (!isspace(c)) {
str += c;
c = getchar_unlocked();
}
}
template<typename T>
inline void read(T& x) noexcept {single_read(x);}
template <typename Head, typename... Tail>
inline void read(Head& head, Tail&... tail) noexcept {
single_read(head), read(tail...);
}
inline void single_write(char c) noexcept { putchar_unlocked(c); }
template <typename T, internal::is_integral_t<T>* = nullptr>
inline void single_write(T a) noexcept {
if (!a) {
putchar_unlocked('0');
return;
}
if constexpr (std::is_signed_v<T>) {
if (a < 0) putchar_unlocked('-'), a *= -1;
}
constexpr int d = std::numeric_limits<T>::digits10;
char s[d + 1];
int now = d + 1;
while (a) {
s[--now] = (char)'0' + a % 10;
a /= 10;
}
while (now <= d) putchar_unlocked(s[now++]);
}
template <typename T, internal::is_modint_t<T>* = nullptr>
inline void single_write(T a) noexcept {
single_write(a.val());
}
inline void single_write(const std::string& str) noexcept {
for (auto c : str) {
putchar_unlocked(c);
}
}
template <typename T> inline void write(T x) noexcept { single_write(x); }
template <typename Head, typename... Tail>
inline void write(Head head, Tail... tail) noexcept {
single_write(head);
putchar_unlocked(' ');
write(tail...);
}
template <typename... Args> inline void put(Args... x) noexcept {
write(x...);
putchar_unlocked('\n');
}
}; // namespace kyopro
/**
* @brief Fast IO(高速入出力)
*/
#line 2 "Library/src/template.hpp"
#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); i++)
#define all(x) std::begin(x), std::end(x)
#define popcount(x) __builtin_popcountll(x)
using i128 = __int128_t;
using ll = long long;
using ld = long double;
using graph = std::vector<std::vector<int>>;
using P = std::pair<int, int>;
constexpr int inf = std::numeric_limits<int>::max() / 2;
constexpr ll infl = std::numeric_limits<ll>::max() / 2;
const long double pi = acosl(-1);
constexpr int dx[] = {1, 0, -1, 0, 1, -1, -1, 1, 0};
constexpr int dy[] = {0, 1, 0, -1, 1, 1, -1, -1, 0};
template <typename T1, typename T2> constexpr inline bool chmax(T1& a, T2 b) {
return a < b && (a = b, true);
}
template <typename T1, typename T2> constexpr inline bool chmin(T1& a, T2 b) {
return a > b && (a = b, true);
}
/**
* @brief Template
*/
#line 5 "a.cpp"
using namespace std;
using namespace kyopro;
int op(int x, int y) {
return x ^ y;
}
int e() {
return 0;
}
int main() {
int n, q;
read(n, q);
vector<int> a(n);
rep(i, n) read(a[i]);
dual_segtree<int, op, e> sg(n);
rep(i, q) {
int l, r;
read(l, r);
--l;
sg.apply(l, r, 1);
}
rep(i, n) put(a[i] ^ sg[i]);
}