結果
| 問題 |
No.230 Splarraay スプラレェーイ
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2024-04-22 20:03:38 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 4,123 bytes |
| コンパイル時間 | 3,998 ms |
| コンパイル使用メモリ | 272,204 KB |
| 実行使用メモリ | 8,320 KB |
| 最終ジャッジ日時 | 2024-10-14 19:40:23 |
| 合計ジャッジ時間 | 5,976 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 15 WA * 2 |
ソースコード
#pragma GCC optimize("O3")
#ifdef LOCAL
#include "algo/debug_ver2.hpp"
#else
#define _debug(...) 42
#endif
#include <bits/stdc++.h>
using namespace std;
template <typename T, typename U>
struct LazySegmentTree {
int n;
vector<T> nodes;
vector<U> lazy;
vector<int> sizes;
T ti;
U ui;
function<T(T, T)> op;
function<T(T, U, int)> mapping;
function<U(U, U)> composition;
int bit_width(int x) {
int ret = 0;
while (x) x >>= 1, ++ret;
return ret;
}
LazySegmentTree(int size, T ti, U ui, function<T(T, T)> op, function<T(T, U, int)> mapping, function<U(U, U)> composition)
: ti(ti), ui(ui), op(op), mapping(mapping), composition(composition) {
n = 1;
while (n < size) n *= 2;
nodes.resize(n * 2, ti);
lazy.resize(n * 2, ui);
sizes.resize(n * 2);
for (int i = 0; i < size; ++i) sizes[n + i] = 1;
for (int i = n - 1; i > 0; --i) sizes[i] = sizes[i * 2] + sizes[i * 2 + 1];
}
LazySegmentTree(vector<T> vec, T ti, U ui, function<T(T, T)> op, function<T(T, U, int)> mapping, function<U(U, U)> composition)
: LazySegmentTree(vec.size(), ti, ui, op, mapping, composition) {
build(vec);
}
void build(vector<T> vec) {
for (int i = 0; i < n; ++i) nodes[n + i] = vec[i];
for (int i = n - 1; i > 0; --i) update(i);
}
void set(int k, T x) {
k += n;
for (int i = bit_width((unsigned int)n) - 1; i > 0; --i) propagate(k >> i);
nodes[k] = x;
for (int i = 1; i < bit_width((unsigned int)n); ++i) update(k >> i);
}
T get(int k) {
k += n;
for (int i = bit_width((unsigned int)n) - 1; i > 0; --i) propagate(k >> i);
return nodes[k];
}
T prod(int l, int r) {
l += n, r += n;
for (int i = bit_width((unsigned int)n) - 1; i > 0; --i) {
if (((l >> i) << i) != l) propagate(l >> i);
if (((r >> i) << i) != r) propagate((r - 1) >> i);
}
T l_cum = ti, r_cum = ti;
for (; l < r; l /= 2, r /= 2) {
if (l % 2 == 1) l_cum = op(l_cum, nodes[l++]);
if (r % 2 == 1) r_cum = op(r_cum, nodes[--r]);
}
return op(l_cum, r_cum);
}
T all_prod() {
return nodes[1];
}
void apply(int k, U x) {
k += n;
for (int i = bit_width((unsigned int)n) - 1; i > 0; --i) propagate(k >> i);
nodes[k] = mapping(nodes[k], x, sizes[k]);
for (int i = 1; i < bit_width((unsigned int)n); ++i) update(k >> i);
}
void apply(int l, int r, U x) {
l += n, r += n;
for (int i = bit_width((unsigned int)n) - 1; i > 0; --i) {
if (((l >> i) << i) != l) propagate(l >> i);
if (((r >> i) << i) != r) propagate((r - 1) >> i);
}
for (int l2 = l, r2 = r; l2 < r2; l2 /= 2, r2 /= 2) {
if (l2 % 2 == 1) all_apply(l2++, x);
if (r2 % 2 == 1) all_apply(--r2, x);
}
for (int i = 1; i < bit_width((unsigned int)n); ++i) {
if (((l >> i) << i) != l) update(l >> i);
if (((r >> i) << i) != r) update((r - 1) >> i);
}
}
private:
void update(int x) {
nodes[x] = op(nodes[x * 2], nodes[x * 2 + 1]);
}
void all_apply(int i, U x) {
nodes[i] = mapping(nodes[i], x, sizes[i]);
if (i < n) lazy[i] = composition(lazy[i], x);
}
void propagate(int i) {
all_apply(i * 2, lazy[i]);
all_apply(i * 2 + 1, lazy[i]);
lazy[i] = ui;
}
};
int main() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
int n, q;
cin >> n >> q;
LazySegmentTree<array<int, 2>, array<int, 2>>
lsgt(n, {0, 0}, {-1, -1},
[](array<int, 2> x, array<int, 2> y) -> array<int, 2> {
return {x[0] + y[0], x[1] + y[1]};
},
[](array<int, 2> x, array<int, 2> y, int len) -> array<int, 2> {
return y == array<int, 2>{-1, -1} ? x : array<int, 2>{y[0] * len, y[1] * len};
},
[](array<int, 2> x, array<int, 2> y) -> array<int, 2> {
return y == array<int, 2>{-1, -1} ? x : y;
}
);
array<int, 2> scores;
for (int _ = 0; _ < q; ++_) {
int x, l, r;
cin >> x >> l >> r;
++r;
if (x == 0) {
array<int, 2> counts = lsgt.prod(l, r);
if (counts[0] == counts[1]) continue;
int tar = max_element(counts.begin(), counts.end()) - counts.begin();
scores[tar] += counts[tar];
}
else lsgt.apply(l, r, {x == 1, x == 2});
}
scores[0] += lsgt.all_prod()[0];
scores[1] += lsgt.all_prod()[1];
cout << scores[0] << ' ' << scores[1] << '\n';
}