結果
問題 | No.1919 Many Monster Battles |
ユーザー | SSRS |
提出日時 | 2022-04-29 23:08:58 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 6,468 bytes |
コンパイル時間 | 3,227 ms |
コンパイル使用メモリ | 243,348 KB |
実行使用メモリ | 179,972 KB |
最終ジャッジ日時 | 2024-06-29 04:51:13 |
合計ジャッジ時間 | 8,168 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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 | 2 ms
10,752 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 17 ms
5,376 KB |
testcase_04 | AC | 16 ms
5,376 KB |
testcase_05 | AC | 17 ms
5,376 KB |
testcase_06 | AC | 16 ms
5,376 KB |
testcase_07 | AC | 16 ms
5,376 KB |
testcase_08 | AC | 17 ms
5,376 KB |
testcase_09 | AC | 16 ms
5,376 KB |
testcase_10 | AC | 16 ms
5,376 KB |
testcase_11 | AC | 16 ms
5,376 KB |
testcase_12 | AC | 17 ms
5,376 KB |
testcase_13 | TLE | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
ソースコード
#include <bits/stdc++.h> using namespace std; const long long INF = 2000000001; const long long MOD = 1000000007; //https://judge.yosupo.jp/submission/86618 template<class T, T (*op)(T, T), T (*e)()> struct SegmentTree{ int size; vector<T> seg; SegmentTree(vector<T> v): size((int)v.size()), seg(move(v)){ seg.insert(seg.begin(), size, T{}); for(int i = size; --i >= 1; ) seg[i] = op(seg[i << 1], seg[i << 1 | 1]); } void set(int i, int d, T x){ assert(0 <= i && i < size); i += size; seg[i] = x; while(void(i >>= 1), d--) seg[i] = op(seg[i << 1], seg[i << 1 | 1]); } T get(int l, int r) const { assert(0 <= l && l <= r && r <= size); l += size; r += size; T ans = e(); while(l < r){ if(l & 1) ans = op(ans, seg[l++]); if(r & 1) ans = op(ans, seg[--r]); l >>= 1; r >>= 1; } return ans; } }; template<class T, T (*op)(T, T), T (*e)()> struct SegmentTree2D{ using Key = int; using key_type = pair<Key, Key>; using value_type = pair<key_type, T>; using Seg = SegmentTree<T, op, e>; int size = 1, lg_size = 0; vector<vector<key_type>> keys; vector<Seg> seg; static constexpr auto comp_y = [](const key_type& a, const key_type& b){ return tie(a.second, a.first) < tie(b.second, b.first); }; SegmentTree2D(vector<value_type> v){ sort(v.begin(), v.end(), [](value_type& a, value_type& b){ return a.first < b.first; }); for(int i = 1; i < (int)v.size(); i++) assert(v[i - 1].first < v[i].first); while(size < v.size()){ size <<= 1; lg_size++; } v.resize(size, pair{pair{INT_MAX, INT_MAX}, e()}); keys.resize(lg_size + 1); seg.reserve(lg_size + 1); for(int d = 0; ; d++){ // copy auto& Y = keys[d]; vector<T> V; Y.reserve(size); V.reserve(size); for(auto& [key, val] : v){ Y.push_back(key); V.push_back(val); } seg.emplace_back(move(V)); if(d == lg_size) break; // merge const int w = 1 << d; for(int l = 0; l < size; l += w * 2){ auto p = v.begin() + l; inplace_merge(p, p + w, p + w * 2, [](const value_type& a, const value_type& b){ return tie(a.first.second, a.first.first) < tie(b.first.second, b.first.first); }); } } } void set_inner(int d, int i, key_type key, T val){ auto& Y = keys[d]; int l = i << d, r = (i + 1) << d; seg[d].set(lower_bound(Y.begin() + l, Y.begin() + r - 1, key, comp_y) - Y.begin(), d, val); } void set(key_type key, T val){ auto& X = keys[0]; int i = lower_bound(X.begin(), X.end(), key) - X.begin(); assert(i < size && X[i] == key); for(int d = 0; d <= lg_size; d++, i >>= 1) set_inner(d, i, key, val); } void set(Key x, Key y, T val){ set({x, y}, val); } T get(key_type key) const { auto& X = keys[0]; int i = lower_bound(X.begin(), X.end(), key) - X.begin(); assert(i < size && X[i] == key); return seg[0].seg[size + i]; } T get(Key x, Key y) const { return get({x, y}); } T get_inner(int d, int i, key_type y1, key_type y2) const { auto& Y = keys[d]; int l = i << d, r = (i + 1) << d; l = lower_bound(Y.begin() + l, Y.begin() + r, y1, comp_y) - Y.begin(); r = upper_bound(Y.begin() + l, Y.begin() + r, y2, comp_y) - Y.begin(); return seg[d].get(l, r); } T get(key_type L, key_type R) const { assert(L.first <= R.first); assert(L.second <= R.second); auto& X = keys[0]; int l = lower_bound(X.begin(), X.end(), L) - X.begin(); int r = upper_bound(X.begin(), X.end(), R) - X.begin(); T ans = e(); for(int d = 0; l < r; d++, l >>= 1, r >>= 1){ if(l & 1) ans = op(ans, get_inner(d, l++, L, R)); if(r & 1) ans = op(ans, get_inner(d, --r, L, R)); } return ans; } /// [x1, x2] * [y1, y2] T get(int x1, int x2, int y1, int y2) const { return get({x1, y1}, {x2, y2}); } }; int op(int a, int b){ return a + b; } int e(){ return 0; } int main(){ int N; cin >> N; vector<int> a(N); for (int i = 0; i < N; i++){ cin >> a[i]; } vector<int> b(N); for (int i = 0; i < N; i++){ cin >> b[i]; } vector<long long> ans(2, 0); for (int i = 0; i < 2; i++){ vector<pair<int, int>> P(N); for (int j = 0; j < N; j++){ P[j] = make_pair(a[j], b[j]); } sort(P.begin(), P.end()); for (int j = 0; j < N; j++){ a[j] = P[j].first; b[j] = P[j].second; } vector<pair<int, int>> P2(N); for (int j = 0; j < N; j++){ P2[j] = make_pair(b[j], j); } sort(P2.begin(), P2.end()); vector<int> id(N); for (int j = 0; j < N; j++){ id[j] = P2[j].second; } vector<pair<pair<int, int>, int>> C1(N), C2(N); for (int j = 0; j < N; j++){ C1[j] = make_pair(make_pair(j, a[j] - b[j]), 0); C2[j] = make_pair(make_pair(j, a[j] + b[j]), 0); } SegmentTree2D<int, op, e> ST1(C1); SegmentTree2D<int, op, e> ST2(C2); for (int j = 0; j < N; j++){ int p = id[j]; if (p > 0){ int cnt1 = ST1.get(0, p - 1, -INF, a[p] - b[p] - 1); ans[i] += (long long) a[p] * cnt1 % MOD; } if (p < N - 1){ int cnt2 = ST2.get(p + 1, N - 1, a[p] + b[p] + 1, INF); ans[i] += MOD - (long long) a[p] * cnt2 % MOD; } ST1.set(p, a[p] - b[p], 1); ST2.set(p, a[p] + b[p], 1); } for (int j = 0; j < N; j++){ ST1.set(j, a[j] - b[j], 0); ST2.set(j, a[j] + b[j], 0); } for (int j = N - 1; j >= 0; j--){ int p = id[j]; if (p > 0){ int cnt1 = ST2.get(0, p - 1, -INF, a[p] + b[p] - 1); ans[i] += (long long) a[p] * cnt1 % MOD; } if (p < N - 1){ int cnt2 = ST1.get(p + 1, N - 1, a[p] - b[p] + 1, INF); ans[i] += MOD - (long long) a[p] * cnt2 % MOD; } ST1.set(p, a[p] - b[p], 1); ST2.set(p, a[p] + b[p], 1); } ans[i] %= MOD; ans[i] += MOD; ans[i] *= 2; ans[i] %= MOD; swap(a, b); } cout << ans[0] << ' ' << ans[1] << endl; }