結果
問題 | No.230 Splarraay スプラレェーイ |
ユーザー | pekempey |
提出日時 | 2015-08-27 12:38:16 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 248 ms / 5,000 ms |
コード長 | 3,839 bytes |
コンパイル時間 | 1,555 ms |
コンパイル使用メモリ | 180,492 KB |
実行使用メモリ | 19,584 KB |
最終ジャッジ日時 | 2024-07-18 14:59:21 |
合計ジャッジ時間 | 3,705 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 3 ms
5,376 KB |
testcase_06 | AC | 14 ms
5,376 KB |
testcase_07 | AC | 4 ms
5,376 KB |
testcase_08 | AC | 5 ms
5,376 KB |
testcase_09 | AC | 118 ms
11,240 KB |
testcase_10 | AC | 117 ms
9,732 KB |
testcase_11 | AC | 66 ms
7,412 KB |
testcase_12 | AC | 115 ms
11,240 KB |
testcase_13 | AC | 19 ms
5,376 KB |
testcase_14 | AC | 86 ms
9,856 KB |
testcase_15 | AC | 107 ms
9,728 KB |
testcase_16 | AC | 186 ms
14,204 KB |
testcase_17 | AC | 248 ms
19,456 KB |
testcase_18 | AC | 140 ms
19,584 KB |
testcase_19 | AC | 146 ms
16,744 KB |
コンパイルメッセージ
main.cpp: In function ‘std::ostream& operator<<(std::ostream&, const std::pair<_T1, _T2>&)’: main.cpp:81:1: warning: no return statement in function returning non-void [-Wreturn-type] 81 | } | ^
ソースコード
#include <bits/stdc++.h> #define rep(i, a) rep2 (i, 0, a) #define rep2(i, a, b) for (int i = (a); i < (b); i++) #define repr(i, a) repr2 (i, 0, a) #define repr2(i, a, b) for (int i = (b) - 1; i >= (a); i--) using namespace std; typedef long long ll; const ll mod = (ll)1e18 + 9; ll weight[1010101]; ll wsum[1010101]; ll N, Q; ll x[202020], l[202020], r[202020]; const int M = 2; struct SegmentTree { int size; vector<ll> seg; vector<int> lazy; // -1: none, 1: set 0: reset SegmentTree(int n) { size = 1; while (size < n) size *= 2; seg.resize(size * 2 - 1); lazy.resize(size * 2 - 1); } void evallazy(int k, int l, int r) { if (lazy[k] == -1) return; if (lazy[k]) { seg[k] = wsum[r] - wsum[l]; } else { seg[k] = 0; } if (r - l > 1) { lazy[k * 2 + 1] = lazy[k]; lazy[k * 2 + 2] = lazy[k]; } lazy[k] = -1; } // q=0:set, q=1:reset void update(int a, int b, int q, int k, int l, int r) { evallazy(k, l, r); if (r <= a || b <= l) return; if (a <= l && r <= b) { if (q == 0) { lazy[k] = 1; } else { lazy[k] = 0; } evallazy(k, l, r); } else { update(a, b, q, k * 2 + 1, l, (l + r) / 2); update(a, b, q, k * 2 + 2, (l + r) / 2, r); seg[k] = seg[k * 2 + 1] + seg[k * 2 + 2]; } } void update(int a, int b, int q) { update(a, b, q, 0, 0, size); } ll query(int a, int b, int k, int l, int r) { evallazy(k, l, r); if (r <= a || b <= l) return 0; if (a <= l && r <= b) return seg[k]; ll res = 0; res += query(a, b, k * 2 + 1, l, (l + r) / 2); res += query(a, b, k * 2 + 2, (l + r) / 2, r); return res; } ll query(int a, int b) { return query(a, b, 0, 0, size); } ll query() { return query(0, size); } }; template<class T1, class T2> ostream &operator <<(ostream &os, const pair<T1, T2> &p) { cout << "(" << p.first << " " << p.second << ")"; } template<class T> ostream &operator <<(ostream &os, const vector<T> &v) { rep (i, v.size()) { if (i) cout << " "; cout << v[i]; } return os; } int main() { cin >> N >> Q; rep (i, Q) { cin >> x[i] >> l[i] >> r[i]; } if (Q == 0) { vector<ll> score(M); cout << score << endl; return 0; } vector<ll> xs; rep (i, Q) { xs.push_back(l[i]); xs.push_back(l[i] + 1); xs.push_back(r[i]); xs.push_back(r[i] + 1); } sort(xs.begin(), xs.end()); xs.erase(unique(xs.begin(), xs.end()), xs.end()); ll w = xs.size(); rep (i, xs.size() - 1) { weight[i] = xs[i + 1] - xs[i]; } rep (i, Q) { l[i] = lower_bound(xs.begin(), xs.end(), l[i]) - xs.begin(); r[i] = lower_bound(xs.begin(), xs.end(), r[i]) - xs.begin(); } partial_sum(weight, weight + w, wsum + 1); // main logic vector<SegmentTree> segt(M, SegmentTree(w + 10)); vector<ll> score(M); rep (i, Q) { if (x[i] == 0) { vector<pair<ll, ll>> t(M); rep (j, M) { t[j].second = j; t[j].first = segt[j].query(l[i], r[i] + 1); } sort(t.rbegin(), t.rend()); if (t[0].first > t[1].first) { score[t[0].second] += t[0].first; score[t[0].second] %= mod; } } else { x[i]--; rep (j, M) { segt[j].update(l[i], r[i] + 1, x[i] != j); } } } rep (i, M) { score[i] += segt[i].query(); score[i] %= mod; } cout << score << endl; return 0; }