結果
| 問題 |
No.230 Splarraay ｽﾌﾟﾗﾚｪｰｲ
|
| コンテスト | |
| ユーザー |
 横山緑
|
| 提出日時 | 2024-12-13 14:21:45 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 88 ms / 5,000 ms |
| コード長 | 8,742 bytes |
| コンパイル時間 | 3,672 ms |
| コンパイル使用メモリ | 285,152 KB |
| 実行使用メモリ | 11,776 KB |
| 最終ジャッジ日時 | 2024-12-13 14:21:53 |
| 合計ジャッジ時間 | 5,502 ms |
|
ジャッジサーバーID （参考情報） |
judge3 / judge1 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 17 |
ソースコード
#line 1 "test/yukicoder/230.test.cpp"
#define PROBLEM "https://yukicoder.me/problems/no/230"
#line 2 "template.hpp"
// #pragma GCC target("avx2")
// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
// https://xn--kst.jp/blog/2019/08/29/cpp-comp/
// debug methods
// usage: debug(x,y);
// vector 出力できるように修正
template <typename T>
ostream& debug_print(ostream& os, const vector<T>& v) {
os << "[";
for (size_t i = 0; i < v.size(); ++i) {
os << v[i];
if (i < v.size() - 1) os << ", ";
}
os << "]";
return os;
}
template <typename T>
ostream& debug_print(ostream& os, const T& var) {
os << var;
return os;
}
#define CHOOSE(a) CHOOSE2 a
#define CHOOSE2(a0, a1, a2, a3, a4, x, ...) x
#define debug_1(x1) { cout << #x1 << ": "; debug_print(cout, x1) << endl; }
#define debug_2(x1, x2) { cout << #x1 << ": "; debug_print(cout, x1) << ", " << #x2 << ": "; debug_print(cout, x2) << endl; }
#define debug_3(x1, x2, x3) { cout << #x1 << ": "; debug_print(cout, x1) << ", " << #x2 << ": "; debug_print(cout, x2) << ", " << #x3 << ": "; debug_print(cout, x3) << endl; }
#define debug_4(x1, x2, x3, x4) { cout << #x1 << ": "; debug_print(cout, x1) << ", " << #x2 << ": "; debug_print(cout, x2) << ", " << #x3 << ": "; debug_print(cout, x3) << ", " << #x4 << ": "; debug_print(cout, x4) << endl; }
#define debug_5(x1, x2, x3, x4, x5) { cout << #x1 << ": "; debug_print(cout, x1) << ", " << #x2 << ": "; debug_print(cout, x2) << ", " << #x3 << ": "; debug_print(cout, x3) << ", " << #x4 << ": "; debug_print(cout, x4) << ", " << #x5 << ": "; debug_print(cout, x5) << endl; }
#ifdef LOCAL
#define debug(...) CHOOSE((__VA_ARGS__, debug_5, debug_4, debug_3, debug_2, debug_1, ~))(__VA_ARGS__)
#else
#define debug(...)
#endif
using ll = long long;
using vl = vector<ll>;
using Graph = vector<vector<ll>>;
using P = pair<ll, ll>;
#define all(v) v.begin(), v.end()
template <typename T> inline bool chmax(T &a, T b) {
return ((a < b) ? (a = b, true) : (false));
}
template <typename T> inline bool chmin(T &a, T b) {
return ((a > b) ? (a = b, true) : (false));
}
#define rep1(i, n) for(ll i = 1; i <= ((ll)n); ++i)
// https://trap.jp/post/1224/
template <class... T> constexpr auto min(T... a) {
return min(initializer_list<common_type_t<T...>>{a...});
}
template <class... T> constexpr auto max(T... a) {
return max(initializer_list<common_type_t<T...>>{a...});
}
template <class... T> void input(T &...a) { (cin >> ... >> a); }
template <class T> void input(vector<T> &a) {
for(T &x : a)
cin >> x;
}
void print() { cout << '\n'; }
template <class T, class... Ts> void print(const T &a, const Ts &...b) {
cout << a;
(cout << ... << (cout << ' ', b));
cout << '\n';
}
void print(const string &s) {
cout << s << '\n';
}
template <class Container, typename = void>
struct is_container : std::false_type {};
template <class Container>
struct is_container<Container, std::void_t<decltype(std::declval<Container>().begin()), decltype(std::declval<Container>().end())>> : std::true_type {};
template <class Container>
typename enable_if<is_container<Container>::value>::type print(const Container& x) {
if (!x.empty()) {
auto it = x.begin();
for (; it != prev(x.end()); ++it) {
cout << *it << " ";
}
cout << *it << "\n"; // 最後の要素を出力して改行
}
}
#define INT(...) \
int __VA_ARGS__; \
input(__VA_ARGS__)
#define LL(...) \
long long __VA_ARGS__; \
input(__VA_ARGS__)
#define STR(...) \
string __VA_ARGS__; \
input(__VA_ARGS__)
#define REP1(a) for(ll i = 0; i < a; i++)
#define REP2(i, a) for(ll i = 0; i < a; i++)
#define REP3(i, a, b) for(ll i = a; i < b; i++)
#define REP4(i, a, b, c) for(ll i = a; i < b; i += c)
#define overload4(a, b, c, d, e, ...) e
#define rep(...) overload4(__VA_ARGS__, REP4, REP3, REP2, REP1)(__VA_ARGS__)
ll inf = 3e18;
vl dx = {1, -1, 0, 0};
vl dy = {0, 0, 1, -1};
#line 2 "data_structure/lazy_segtree.hpp"
template <class S, S (*op)(S, S), S (*e)(), class F, S (*mapping)(F, S),
F (*composition)(F, F), F (*id)()>
// composition(f,g)(x) = f∘g(x) = f(g(x))
// aclと同じ、maspyさん記事と逆
struct lazy_segtree {
vector<S> v;
vector<F> vf;
ll n;
lazy_segtree(ll n)
: n(n), v(vector<S>(2 * n, e())), vf(vector<F>(2 * n, id())) {};
lazy_segtree(vector<S> v_) : n(v_.size()) {
vf = vector<F>(2 * n, id());
v = vector<S>(2 * n, e());
rep(i, n) { v[i + n] = v_[i]; }
for(ll i = n - 1; i > 0; i--) {
v[i] = op(v[i << 1], v[i << 1 | 1]);
}
}
void apply(ll l, ll r, F f) {
l += n;
r += n;
ll l0 = l / (l & -l);
ll r0 = r / (r & -r) - 1;
propagate_above(l0);
propagate_above(r0);
while(l < r) {
if(l & 1) {
// vf[l] = composition(f, vf[l]);
apply_at(l,f);
l++;
}
if(r & 1) {
r--;
// vf[r] = composition(f, vf[r]);
apply_at(r,f);
}
l >>= 1;
r >>= 1;
}
recul_above(l0);
recul_above(r0);
}
S get(ll x) {
x += n;
ll maxi = bit_length(x) - 1;
for(ll i = maxi; i > 0; i--) {
propagate_at(x >> i);
}
return mapping(vf[x], v[x]);
}
void set(ll x, S s) {
x += n;
propagate_above(x);
v[x] = s;
vf[x] = id();
recul_above(x);
}
S prod(ll l, ll r) {
l += n;
r += n;
ll l0 = l / (l & -l);
ll r0 = r / (r & -r) - 1;
propagate_above(l0);
propagate_above(r0);
S sl = e(), sr = e();
while(l < r) {
if(l & 1) {
debug(vf[l].f);
sl = op(sl, mapping(vf[l], v[l]));
l++;
}
if(r & 1) {
r--;
sr = op(mapping(vf[r], v[r]), sr);
}
l >>= 1;
r >>= 1;
}
return op(sl, sr);
}
private:
S eval_at(ll x) { return mapping(vf[x], v[x]); }
void apply_at(ll x, F f) {
v[x] = mapping(f, v[x]);
vf[x] = composition(f, vf[x]);
}
void propagate_at(ll x) {
apply_at(x << 1, vf[x]);
apply_at(x << 1 | 1, vf[x]);
vf[x] = id();
// v[x] = mapping(vf[x], v[x]);
// vf[x << 1] = composition(vf[x], vf[x << 1]);
// vf[x << 1 | 1] = composition(vf[x], vf[x << 1 | 1]);
// vf[x] = id();
}
ll bit_length(unsigned long long x) { return 64 - countl_zero(x); }
void propagate_above(ll x) {
ll maxi = bit_length(x) - 1;
for(ll i = maxi; i > 0; i--) {
propagate_at(x >> i);
}
return;
}
void recul_above(ll x) {
while(x > 1) {
x >>= 1;
v[x] = op(eval_at(x << 1), eval_at(x << 1 | 1));
}
}
};
#line 4 "test/yukicoder/230.test.cpp"
struct S {
ll a, b, sz;
};
struct F {
ll f;
// 0 e,1 a,2 b
};
S op(S s, S t) { return S(s.a + t.a, s.b + t.b, s.sz + t.sz); }
S mapping(F f, S s) {
if(f.f == 0) {
return s;
} else if(f.f == 1) {
return S(s.sz, 0, s.sz);
} else {
return S(0, s.sz, s.sz);
}
}
F composition(F f, F g) {
if(f.f == 0) {
return g;
} else
return f;
}
S e() { return S(0, 0, 0); }
F id() { return F(0); }
void solve() {
LL(n, q);
lazy_segtree<S, op, e, F, mapping, composition, id> seg(
vector<S>(n, S(0, 0, 1)));
ll ans_a = 0, ans_b = 0;
// rep(i, n) { seg.set(i, S(0, 0, 1)); }
rep(_, q) {
LL(x, l, r);
if(x == 0) {
S res = seg.prod(l, r + 1);
if(res.a > res.b) {
ans_a += res.a;
} else if(res.a < res.b) {
ans_b += res.b;
}
} else if(x == 1) {
seg.apply(l, r + 1, F(1));
} else {
seg.apply(l, r + 1, F(2));
}
}
{
S res = seg.prod(0, n);
ans_a += res.a;
ans_b += res.b;
}
print(ans_a, ans_b);
}
int main() {
ios::sync_with_stdio(false);
std::cin.tie(nullptr);
solve();
}