結果
問題 | No.1919 Many Monster Battles |
ユーザー | SSRS |
提出日時 | 2022-04-29 23:15:08 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 5,347 bytes |
コンパイル時間 | 2,395 ms |
コンパイル使用メモリ | 199,128 KB |
実行使用メモリ | 92,768 KB |
最終ジャッジ日時 | 2024-06-29 04:57:42 |
合計ジャッジ時間 | 6,728 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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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
13,756 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 12 ms
6,944 KB |
testcase_04 | AC | 12 ms
6,944 KB |
testcase_05 | AC | 12 ms
6,944 KB |
testcase_06 | AC | 11 ms
6,940 KB |
testcase_07 | AC | 13 ms
6,940 KB |
testcase_08 | AC | 12 ms
6,944 KB |
testcase_09 | AC | 12 ms
6,940 KB |
testcase_10 | AC | 12 ms
6,944 KB |
testcase_11 | AC | 12 ms
6,940 KB |
testcase_12 | AC | 11 ms
6,940 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 | -- | - |
コンパイルメッセージ
main.cpp: In member function 'void Binary_Indexed_Tree_2D<T, S>::build()': main.cpp:82:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 82 | auto [x, y] = p; | ^
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/79502 template <typename T> struct Binary_Indexed_Tree { vector<T> bit; const int n; Binary_Indexed_Tree(const vector<T> &v) : n((int)v.size()) { bit.resize(n + 1); copy(begin(v), end(v), begin(bit) + 1); for (int a = 2; a <= n; a <<= 1) { for (int b = a; b <= n; b += a) bit[b] += bit[b - a / 2]; } } Binary_Indexed_Tree(int n, const T &x) : n(n) { bit.resize(n + 1); vector<T> v(n, x); copy(begin(v), end(v), begin(bit) + 1); for (int a = 2; a <= n; a <<= 1) { for (int b = a; b <= n; b += a) bit[b] += bit[b - a / 2]; } } void add(int i, const T &x) { for (i++; i <= n; i += (i & -i)) bit[i] += x; } void change(int i, const T &x) { add(i, x - query(i, i + 1)); } T sum(int i) const { T ret = 0; for (; i > 0; i -= (i & -i)) ret += bit[i]; return ret; } T query(int l, int r) const { return sum(r) - sum(l); } T operator[](int i) const { return query(i, i + 1); } int lower_bound(T x) const { int ret = 0; for (int k = 31 - __builtin_clz(n); k >= 0; k--) { if (ret + (1 << k) <= n && bit[ret + (1 << k)] < x) x -= bit[ret += (1 << k)]; } return ret; } int upper_bound(T x) const { int ret = 0; for (int k = 31 - __builtin_clz(n); k >= 0; k--) { if (ret + (1 << k) <= n && bit[ret + (1 << k)] <= x) x -= bit[ret += (1 << k)]; } return ret; } }; template <typename T, typename S> // S は座標の型 struct Binary_Indexed_Tree_2D { int n; vector<S> xs; vector<pair<S, S>> all_points; vector<vector<S>> ys; vector<Binary_Indexed_Tree<T>> bits; Binary_Indexed_Tree_2D() {} void insert(const S &x, const S &y) { // 値を変更する箇所を先に全て挿入しておく xs.push_back(x); all_points.emplace_back(x, y); } void build() { sort(begin(xs), end(xs)); xs.erase(unique(begin(xs), end(xs)), end(xs)); n = xs.size(); ys.resize(n + 1); for (auto &p : all_points) { auto [x, y] = p; int i = lower_bound(begin(xs), end(xs), x) - begin(xs); for (i++; i <= n; i += (i & -i)) ys[i].push_back(y); } for (int i = 0; i <= n; i++) { sort(begin(ys[i]), end(ys[i])); ys[i].erase(unique(begin(ys[i]), end(ys[i])), end(ys[i])); bits.emplace_back((int)ys[i].size(), 0); } } void add(const S &x, const S &y, const T &a) { int i = lower_bound(begin(xs), end(xs), x) - begin(xs); for (i++; i <= n; i += (i & -i)) { int j = lower_bound(begin(ys[i]), end(ys[i]), y) - begin(ys[i]); bits[i].add(j, a); } } T sum(const S &x, const S &ly, const S &ry) { int i = lower_bound(begin(xs), end(xs), x) - begin(xs); T ret = 0; for (; i > 0; i -= (i & -i)) { int lj = lower_bound(begin(ys[i]), end(ys[i]), ly) - begin(ys[i]); int rj = lower_bound(begin(ys[i]), end(ys[i]), ry) - begin(ys[i]); ret += bits[i].query(lj, rj); } return ret; } T query(const S &lx, const S &rx, const S &ly, const S &ry) { return sum(rx, ly, ry) - sum(lx, ly, ry); } }; 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; } Binary_Indexed_Tree_2D<int, int> BIT1, BIT2; for (int j = 0; j < N; j++){ BIT1.insert(j, a[j] - b[j]); BIT2.insert(j, a[j] + b[j]); } BIT1.build(); BIT2.build(); for (int j = 0; j < N; j++){ int p = id[j]; int cnt1 = BIT1.query(0, p, -INF, a[p] - b[p]); ans[i] += (long long) a[p] * cnt1 % MOD; int cnt2 = BIT2.query(p + 1, N, a[p] + b[p] + 1, INF); ans[i] += MOD - (long long) a[p] * cnt2 % MOD; BIT1.add(p, a[p] - b[p], 1); BIT2.add(p, a[p] + b[p], 1); } for (int j = 0; j < N; j++){ BIT1.add(j, a[j] - b[j], -1); BIT2.add(j, a[j] + b[j], -1); } for (int j = N - 1; j >= 0; j--){ int p = id[j]; int cnt1 = BIT2.query(0, p, -INF, a[p] + b[p]); ans[i] += (long long) a[p] * cnt1 % MOD; int cnt2 = BIT1.query(p + 1, N, a[p] - b[p] + 1, INF); ans[i] += MOD - (long long) a[p] * cnt2 % MOD; BIT1.add(p, a[p] - b[p], 1); BIT2.add(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; }