結果
| 問題 | No.3507 RangeSum RangeUpdate RangeSqrt |
| コンテスト | |
| ユーザー |
👑 |
| 提出日時 | 2026-04-18 02:39:57 |
| 言語 | C++23 (gcc 15.2.0 + boost 1.89.0) |
| 結果 |
AC
|
| 実行時間 | 274 ms / 2,000 ms |
| コード長 | 5,905 bytes |
| 記録 | |
| コンパイル時間 | 7,906 ms |
| コンパイル使用メモリ | 664,820 KB |
| 実行使用メモリ | 15,652 KB |
| 最終ジャッジ日時 | 2026-04-18 02:40:13 |
| 合計ジャッジ時間 | 13,318 ms |
|
ジャッジサーバーID (参考情報) |
judge3_0 / judge1_0 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 29 |
ソースコード
#pragma GCC optimize("O3")
//import std;
#include "bits/stdc++.h"
#include <stdio.h>
#include "atcoder/all"
#include <boost/multiprecision/cpp_int.hpp>
using namespace boost::multiprecision;
using namespace std;
using namespace atcoder;
using ll = long long;
using ull = unsigned long long;
using mint = modint998244353;
using mint2 = modint1000000007;
const double eps = 1e-9;
#define OVERLOAD3(_1, _2, _3, call,...) call
#define REP1(i, n) for (ll i = 0; i < ll(n); ++i)
#define REP2(i, a, b) for (ll i = ll(a); i < ll(b); ++i)
#define REP(...) OVERLOAD3(__VA_ARGS__, REP2, REP1)(__VA_ARGS__)
#define RREP1(i, n) for (ll i = ll(n) - 1; i >= 0; --i)
#define RREP2(i, a, b) for (ll i = ll(a) - 1; i >= b; --i)
#define RREP(...) OVERLOAD3(__VA_ARGS__, RREP2, RREP1)(__VA_ARGS__)
#define REPE(i, c) for (auto&& i : c)
#define TCASE() ll _ttt; cin >> _ttt; while(_ttt--)
using vl = vector<ll>; using vvl = vector<vl>; using vvvl = vector<vvl>; using vb = vector<bool>;
using vd = vector<double>; using pl = pair<ll, ll>; using vpl = vector<pl>; using vvpl = vector<vpl>;
template<class T> void sc(T& x) { string s; if (cin >> s) from_chars(s.data(), s.data() + s.size(), x); }
template<> void sc(string& x) { cin >> x; }
template<class... T> void COMMON_IN(T&... a) { (sc(a), ...); }
#define LI(...) ll __VA_ARGS__; COMMON_IN(__VA_ARGS__);
#define SI(...) string __VA_ARGS__; COMMON_IN(__VA_ARGS__);
#define VLI(a, n) vector<ll> a(n); for(auto& x : a) sc(x);
#define DLI(a, n) deque<ll> a(n); for(auto& x : a) sc(x);
#define VSI(a, n) vector<string> a(n); for(auto& x : a) cin >> x;
#define VVLI(a, n, m) vector<vector<ll>> a(n, vector<ll>(m)); for(auto& x : a) for(auto& y : x) sc(y);
struct uv { ll u; ll v; }; struct uvc { ll u; ll v; ll c = 1; };
#define VUVI(a, n) vector<uv> a; a.assign(n, {0, 0}); for(auto& x : a) {sc(x.u); sc(x.v); x.u--; x.v--;}
#define VUVCI(a, n) vector<uvc> a; a.assign(n, {0, 0, 0}); for(auto& x : a) {sc(x.u); sc(x.v); sc(x.c); x.u--; x.v--;}
vvl to_edge(const ll n, const vector<uv>& v) { vvl ret(n); for (auto& x : v) ret[x.u].emplace_back(x.v); return ret; }
vvl to_edge_d(const ll n, const vector<uv>& v) { vvl ret(n); for (auto& x : v) { ret[x.u].emplace_back(x.v); ret[x.v].emplace_back(x.u); } return ret; }
vvpl to_edge(const ll n, const vector<uvc>& v) { vvpl ret(n); for (auto& x : v) { ret[x.u].emplace_back(x.v, x.c); } return ret; }
vvpl to_edge_d(const ll n, const vector<uvc>& v) { vvpl ret(n); for (auto& x : v) { ret[x.u].emplace_back(x.v, x.c); ret[x.v].emplace_back(x.u, x.c); } return ret; }
template <class T = long long> using pql = priority_queue<T>;
template <class T = long long> using pqg = priority_queue<T, vector<T>, greater<T>>;
using vm = vector<mint>; using vvm = vector<vm>;
template <class T> requires std::is_base_of_v<atcoder::internal::modint_base, T> ostream& operator<<(ostream& os, const T& v) { os << v.val(); return os; }
void yn(bool f) { std::cout << (f ? "Yes" : "No") << "\n"; };
template<class T> void ovn(const T& v) { for (auto it = v.begin(); it != v.end(); it++) { if (it != v.begin()) cout << " "; cout << *it; } cout << "\n"; };
const ll llhuge = 1LL << 61; //十分でかいが多少足しても溢れない数値
auto gmax(const auto& a, const auto& b) { return a > b ? a : b; };
auto gmin(const auto& a, const auto& b) { return a < b ? a : b; };
bool chmin(auto& a, const auto& b) { const auto olda = a; a = gmin(a, b); return olda != a; }
bool chmax(auto& a, const auto& b) { const auto olda = a; a = gmax(a, b); return olda != a; }
void sort(auto& v) { std::ranges::sort(v); };
void rev(auto& v) { std::ranges::reverse(v); };
template<class T, class K = T::key_type, class V = T::mapped_type> [[nodiscard]] V myat(const T& mp, const K& key) { return mp.find(key) == mp.end() ? V() : mp.at(key); }
long long ceil(const long long a, const long long b) { return (a + b - 1) / b; }
template<class T, class U> pair<T, U> operator+(const pair<T, U>& a, const pair<T, U>& b) { return { a.first + b.first, a.second + b.second }; }
unsigned long long floor_sqrt(unsigned long long n) {
if (n == 0) return 0;
unsigned long long x = (unsigned long long)floor(sqrt((long double)n));
while ((x + 1) <= n / (x + 1)) ++x;
while (x > n / x) --x;
return x;
}
//区間更新, 区間count,SUM
using S = pair<ll, ll>;
using F = ll;
S op(S l, S r) {
return { l.first + r.first, l.second + r.second };
}
S e() { return { 0, 0 }; }
S mapping(F l, S r) { return l == llhuge ? r : S{ r.first, l * r.first }; }
F composition(F l, F r) { return l == llhuge ? r : l; }
F id() { return llhuge; }
using lst = lazy_segtree<S, op, e, F, mapping, composition, id>;
int main() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
LI(n, q);
VLI(a, n);
a.push_back(-1);
vector<pl> init(n);
REP(i, n) init[i] = { 1, a[i] };
init.push_back({ 1, -1 });
lst seg(init);
set<ll> br;
ll pv = -1;
REP(i, n+1) {
if (a[i] != pv) {
br.insert(i);
pv = a[i];
}
}
REP(i, q) {
LI(t, l, r);
if (t == 0) {
ll ans = seg.prod(l, r).second;
cout << ans << "\n";
}
if (t == 1) {
LI(x);
if (l == r) continue;
seg.apply(l, r, x);
auto it = br.upper_bound(l);
while (it != br.end() && *it < r) {
it = br.erase(it);
}
if (l > 0) {
if (seg.get(l-1).second == x) {
br.erase(l);
}
else {
br.insert(l);
}
}
if (seg.get(r).second == x) {
br.erase(r);
}
else {
br.insert(r);
}
}
if (t == 2) {
if (l == r) continue;
while (1) {
auto it = br.upper_bound(l);
ll v = seg.get(l).second;
ll nv = floor_sqrt(v);
seg.apply(l, min(r, *it), nv);
if (l > 0) {
if (seg.get(l - 1).second == nv) {
br.erase(l);
}
else {
br.insert(l);
}
}
if (*it >= r) break;
l = *it;
}
if (seg.get(r).second == seg.get(r-1).second) {
br.erase(r);
}
else {
br.insert(r);
}
}
}
}