結果
| 問題 | No.789 範囲の合計 |
| ユーザー |
 Pachicobue
|
| 提出日時 | 2019-02-19 17:22:27 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
MLE
|
| 実行時間 | - |
| コード長 | 9,435 bytes |
| コンパイル時間 | 2,220 ms |
| コンパイル使用メモリ | 204,896 KB |
| 最終ジャッジ日時 | 2025-01-06 21:16:45 |
|
ジャッジサーバーID （参考情報） |
judge3 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 12 MLE * 3 |
ソースコード
#include <bits/stdc++.h>
//!===========================================================!//
//! dP dP dP !//
//! 88 88 88 !//
//! 88aaaaa88a .d8888b. .d8888b. .d888b88 .d8888b. 88d888b. !//
//! 88 88 88ooood8 88' `88 88' `88 88ooood8 88' `88 !//
//! 88 88 88. ... 88. .88 88. .88 88. ... 88 !//
//! dP dP `88888P' `88888P8 `88888P8 `88888P' dP !//
//!===========================================================!//
using ld = long double;
using ll = long long;
std::mt19937 mt{std::random_device{}()};
template <typename F>
constexpr F PI() { return 3.1415926535897932385; }
template <typename T, std::size_t N>
std::ostream& operator<<(std::ostream& os, const std::array<T, N>& v)
{
os << "[";
for (const auto& e : v) { os << e << ","; }
return (os << "]" << std::endl);
}
template <typename T, typename A>
std::ostream& operator<<(std::ostream& os, const std::deque<T, A>& v)
{
os << "[";
for (const auto& e : v) { os << e << ","; }
return (os << "]" << std::endl);
}
template <typename K, typename T, typename C, typename A>
std::ostream& operator<<(std::ostream& os, const std::multimap<K, T, C, A>& v)
{
os << "[";
for (const auto& e : v) { os << "<" << e.first << ": " << e.second << ">,"; }
return (os << "]" << std::endl);
}
template <typename T, typename C, typename A>
std::ostream& operator<<(std::ostream& os, const std::multiset<T, C, A>& v)
{
os << "[";
for (const auto& e : v) { os << e << ","; }
return (os << "]" << std::endl);
}
template <typename K, typename T, typename C, typename A>
std::ostream& operator<<(std::ostream& os, const std::map<K, T, C, A>& v)
{
os << "[";
for (const auto& e : v) { os << "<" << e.first << ": " << e.second << ">,"; }
return (os << "]" << std::endl);
}
template <typename T1, typename T2>
std::ostream& operator<<(std::ostream& os, const std::pair<T1, T2>& v) { return (os << "<" << v.first << "," << v.second << ">"); }
template <typename T, typename C, typename A>
std::ostream& operator<<(std::ostream& os, const std::set<T, C, A>& v)
{
os << "[";
for (const auto& e : v) { os << e << ","; }
return (os << "]" << std::endl);
}
template <typename K, typename T, typename H, typename P, typename A>
std::ostream& operator<<(std::ostream& os, const std::unordered_multimap<K, T, H, P, A>& v)
{
os << "[";
for (const auto& e : v) { os << "<" << e.first << ": " << e.second << ">,"; }
return (os << "]" << std::endl);
}
template <typename T, typename H, typename P, typename A>
std::ostream& operator<<(std::ostream& os, const std::unordered_multiset<T, H, P, A>& v)
{
os << "[";
for (const auto& e : v) { os << e << ","; }
return (os << "]" << std::endl);
}
template <typename K, typename T, typename H, typename P, typename A>
std::ostream& operator<<(std::ostream& os, const std::unordered_map<K, T, H, P, A>& v)
{
os << "[";
for (const auto& e : v) { os << "<" << e.first << ": " << e.second << ">,"; }
return (os << "]" << std::endl);
}
template <typename T, typename H, typename P, typename A>
std::ostream& operator<<(std::ostream& os, const std::unordered_set<T, H, P, A>& v)
{
os << "[";
for (const auto& e : v) { os << e << ","; }
return (os << "]" << std::endl);
}
template <typename T, typename A>
std::ostream& operator<<(std::ostream& os, const std::vector<T, A>& v)
{
os << "[";
for (const auto& e : v) { os << e << ","; }
return (os << "]" << std::endl);
}
#define show(x) std::cerr << #x << " = " << (x) << std::endl
//!====================================================================================================!//
//! 888888ba dP .d88888b !//
//! 88 `8b 88 88. "' !//
//! 88 88 dP dP 88d888b. 88 .d8888b. d888888b dP dP `Y88888b. .d8888b. .d8888b. !//
//! 88 88 88 88 88' `88 88 88' `88 .d8P' 88 88 `8b 88ooood8 88' `88 !//
//! 88 .8P 88. .88 88 88 88 88. .88 .Y8P 88. .88 d8' .8P 88. ... 88. .88 !//
//! 8888888P `8888P88 dP dP 88888888P `88888P8 d888888P `8888P88 Y88888P `88888P' `8888P88 !//
//! .88 .88 .88 !//
//! d8888P d8888P d8888P !//
//!====================================================================================================!//
template <typename Base, std::size_t SUPBIT = 30, typename Ind = std::size_t>
class DynamicLazySeg
{
public:
static constexpr std::size_t INDSUP = 1UL << 30;
using BaseAlgebra = Base;
using ValMonoid = typename BaseAlgebra::ValMonoid;
using OpMonoid = typename BaseAlgebra::OpMonoid;
using T = typename BaseAlgebra::VT;
using F = typename BaseAlgebra::OT;
DynamicLazySeg() : root{std::make_shared<Node>()} {}
T get(const std::size_t a) const { return accumulate(a, a + 1); }
void set(std::size_t a, const T& val)
{
modify(a, a + 1, OpMonoid::id());
auto rec = [&](auto&& self, const Ptr p, Ind L, Ind R) -> void {
if (L == a and R == a + 1) {
p->V = val;
} else {
if (not p->left) { p->bear(); }
const Ind M = (L + R) / 2;
Ptr next = (a < M ? p->left : p->right);
(a < M ? R : L) = M, self(self, next, L, R);
up(p);
}
};
rec(rec, root, 0, INDSUP);
}
T accumulate(const std::size_t L, const std::size_t R) const
{
auto rec = [&](auto&& self, const Ptr p, const std::size_t l, const std::size_t r) -> T {
if (L <= l and r <= R) {
return p->V;
} else if (r <= L or R <= l) {
return ValMonoid::id();
} else {
if (not p->left) { return p->V; }
const std::size_t mid = (l + r) / 2;
const T vl = self(self, p->left, l, mid), vr = self(self, p->right, mid, r), v = acc(vl, vr);
return act(p->A, v);
}
};
return rec(rec, root, 0, INDSUP);
}
void modify(const std::size_t L, const std::size_t R, const F& f)
{
auto rec = [&](auto&& self, Ptr p, const std::size_t l, const std::size_t r) -> void {
if (L <= l and r <= R) {
update(p, f);
} else if (r <= L or R <= l) {
} else {
if (not p->left) { p->bear(); }
update(p->left, p->A), this->update(p->right, p->A);
const std::size_t mid = (l + r) / 2;
self(self, p->left, l, mid), self(self, p->right, mid, r);
up(p), p->A = OpMonoid::id();
}
};
rec(rec, root, 0, INDSUP);
}
private:
const ValMonoid acc{};
const OpMonoid compose{};
const BaseAlgebra act{};
struct Node
{
Node() : V{ValMonoid::id()}, A{OpMonoid::id()} {}
void bear() { left = std::make_shared<Node>(), right = std::make_shared<Node>(); }
using Ptr = std::shared_ptr<Node>;
T V;
F A;
Ptr left, right;
};
using Ptr = typename Node::Ptr;
void up(Ptr p) { p->V = acc(p->left->V, p->right->V); }
void update(Ptr p, const F& f) { p->V = act(f, p->V), p->A = compose(f, p->A); }
Ptr root;
};
//!==========================================================================!//
//! .d88888b 888888ba dP !//
//! 88. "' 88 `8b 88 !//
//! `Y88888b. dP dP 88d8b.d8b. a88aaaa8P' 88 dP dP .d8888b. !//
//! `8b 88 88 88'`88'`88 88888888 88 88 88 88 Y8ooooo. !//
//! d8' .8P 88. .88 88 88 88 88 88 88. .88 88 !//
//! Y88888P `88888P' dP dP dP dP dP `88888P' `88888P' !//
//!==========================================================================!//
template <typename VX = ll, typename OX = ll>
struct Sum_Plus
{
using VT = std::pair<VX, VX>;
struct ValMonoid
{
VT operator()(const VT& a, const VT& b) const { return {a.first + b.first, a.second + b.second}; }
static constexpr VT id() { return {0, 0}; }
};
using OT = OX;
struct OpMonoid
{
OT operator()(const OT& f1, const OT& f2) const { return f1 + f2; }
static constexpr OT id() { return 0; }
};
VT operator()(const OT& f, const VT& x) const { return {x.first + x.second * f, x.second}; }
};
int main()
{
DynamicLazySeg<Sum_Plus<int, int>, 30> dseg;
int Q;
std::cin >> Q;
ll ans = 0;
for (int q = 0; q < Q; q++) {
int t;
std::cin >> t;
if (t == 0) {
int x;
ll y;
std::cin >> x >> y;
const auto p = dseg.get(x);
dseg.set(x, {p.first + y, p.second});
} else {
int l, r;
std::cin >> l >> r, r++;
ans += dseg.accumulate(l, r).first;
}
}
std::cout << ans << std::endl;
return 0;
}