結果

問題 No.255 Splarrraaay スプラーレェーーイ
ユーザー maine_honzuki
提出日時 2021-05-04 22:37:26
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 2,023 ms / 10,000 ms
コード長 2,478 bytes
コンパイル時間 7,023 ms
コンパイル使用メモリ 265,940 KB
最終ジャッジ日時 2025-01-21 06:54:26
ジャッジサーバーID
(参考情報)
judge1 / judge1
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ファイルパターン 結果
other AC * 10
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ソースコード

diff #
プレゼンテーションモードにする

//https://ncode.syosetu.com/n4830bu/255/
#include "atcoder/all"
#include <bits/stdc++.h>
using namespace atcoder;
using namespace std;
using ll = long long;
const ll mod = 1000000000000000009;
struct S {
ll maine, len;
};
S op(S a, S b) {
return {a.maine + b.maine, a.len + b.len};
}
S e() {
return {0, 0};
}
struct F {
ll book;
bool zero;
};
S mapping(F f, S x) {
if (f.zero)
x.maine = 0;
x.maine += f.book * x.len;
return x;
}
F composition(F f, F g) {
if (f.zero)
return f;
if (g.zero)
f.zero = true;
f.book += g.book;
return f;
}
F id() {
return {0, false};
}
int main() {
ll N;
int Q;
cin >> N >> Q;
vector<int> X(Q);
vector<ll> L(Q), R(Q);
for (int i = 0; i < Q; i++) {
cin >> X[i] >> L[i] >> R[i];
X[i]--;
R[i]++;
}
vector<ll> compress{0, N};
compress.insert(compress.end(), L.begin(), L.end());
compress.insert(compress.end(), R.begin(), R.end());
sort(compress.begin(), compress.end());
compress.erase(unique(begin(compress), end(compress)), end(compress));
auto idx = [&](ll x) { return lower_bound(compress.begin(), compress.end(), x) - compress.begin(); };
int M = compress.size();
vector<S> initial(M - 1);
for (int i = 0; i < M - 1; i++) {
initial[i] = {0, compress[i + 1] - compress[i]};
}
vector segs(5, lazy_segtree<S, op, e, F, mapping, composition, id>(initial));
vector<ll> bonus(5);
for (int i = 0; i < Q; i++) {
int x = X[i];
ll l = L[i], r = R[i];
int l_idx = idx(l), r_idx = idx(r);
if (x >= 0) {
for (int y = 0; y < 5; y++) {
if (x == y)
continue;
segs[y].apply(l_idx, r_idx, {0, true});
}
segs[x].apply(l_idx, r_idx, {1, false});
} else {
vector<ll> scores(5);
for (int x = 0; x < 5; x++) {
scores[x] = segs[x].prod(l_idx, r_idx).maine;
}
int idx_max = max_element(scores.begin(), scores.end()) - scores.begin();
int cnt = 0;
for (int x = 0; x < 5; x++) {
cnt += scores[x] == scores[idx_max];
}
if (cnt == 1)
(bonus[idx_max] += scores[idx_max]) %= mod;
}
}
for (int x = 0; x < 5; x++) {
cout << (segs[x].all_prod().maine + bonus[x]) % mod << " \n"[x == 4];
}
}
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