結果
問題 | No.2101 [Cherry Alpha N] ずっとこの数列だったらいいのに |
ユーザー | ruthen71 |
提出日時 | 2022-10-15 00:38:13 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 719 ms / 6,000 ms |
コード長 | 7,395 bytes |
コンパイル時間 | 2,800 ms |
コンパイル使用メモリ | 220,332 KB |
実行使用メモリ | 34,776 KB |
最終ジャッジ日時 | 2024-06-26 18:37:07 |
合計ジャッジ時間 | 23,836 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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 292 ms
23,516 KB |
testcase_04 | AC | 559 ms
29,980 KB |
testcase_05 | AC | 252 ms
17,952 KB |
testcase_06 | AC | 469 ms
29,052 KB |
testcase_07 | AC | 526 ms
30,592 KB |
testcase_08 | AC | 511 ms
29,800 KB |
testcase_09 | AC | 216 ms
16,924 KB |
testcase_10 | AC | 206 ms
16,412 KB |
testcase_11 | AC | 357 ms
19,708 KB |
testcase_12 | AC | 357 ms
19,772 KB |
testcase_13 | AC | 243 ms
16,936 KB |
testcase_14 | AC | 253 ms
14,204 KB |
testcase_15 | AC | 559 ms
31,956 KB |
testcase_16 | AC | 441 ms
27,188 KB |
testcase_17 | AC | 182 ms
10,612 KB |
testcase_18 | AC | 697 ms
34,600 KB |
testcase_19 | AC | 701 ms
34,596 KB |
testcase_20 | AC | 704 ms
34,600 KB |
testcase_21 | AC | 690 ms
34,600 KB |
testcase_22 | AC | 696 ms
34,600 KB |
testcase_23 | AC | 705 ms
34,600 KB |
testcase_24 | AC | 713 ms
34,732 KB |
testcase_25 | AC | 712 ms
34,728 KB |
testcase_26 | AC | 707 ms
34,728 KB |
testcase_27 | AC | 709 ms
34,732 KB |
testcase_28 | AC | 716 ms
34,728 KB |
testcase_29 | AC | 719 ms
34,600 KB |
testcase_30 | AC | 702 ms
34,724 KB |
testcase_31 | AC | 703 ms
34,732 KB |
testcase_32 | AC | 705 ms
34,600 KB |
testcase_33 | AC | 582 ms
34,728 KB |
testcase_34 | AC | 581 ms
34,776 KB |
testcase_35 | AC | 587 ms
34,728 KB |
testcase_36 | AC | 581 ms
34,732 KB |
testcase_37 | AC | 589 ms
34,728 KB |
testcase_38 | AC | 75 ms
15,296 KB |
testcase_39 | AC | 276 ms
16,144 KB |
testcase_40 | AC | 450 ms
34,596 KB |
testcase_41 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #ifdef _RUTHEN #include <debug.hpp> #else #define show(...) true #endif using ll = long long; #define rep(i, n) for (int i = 0; i < (n); i++) template <class T> using V = vector<T>; template <class T> struct lazy_sum_add { using S = std::pair<T, int>; using F = T; using value_type_S = S; using value_type_F = F; static constexpr S op(S a, S b) { return {a.first + b.first, a.second + b.second}; } static constexpr S e() { return {0, 0}; } static constexpr S mapping(F f, S x) { return {x.first + f * x.second, x.second}; } static constexpr F composition(F f, F g) { return f + g; } static constexpr F id() { return 0; } }; template <class Lazy> struct lazy_segment_tree { public: using S = typename Lazy::value_type_S; using F = typename Lazy::value_type_F; lazy_segment_tree(int n) : lazy_segment_tree(std::vector<S>(n, Lazy::e())) {} lazy_segment_tree(const std::vector<S>& v) : _n((int)v.size()) { log = 0; while ((1U << log) < (unsigned int)(_n)) log++; size = 1 << log; d = std::vector<S>(size << 1, Lazy::e()); lz = std::vector<F>(size, Lazy::id()); for (int i = 0; i < _n; i++) d[i + size] = v[i]; for (int i = size - 1; i >= 1; i--) { update(i); } } void set(int p, const S& x) { assert(0 <= p and p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); // 上から下へ伝搬 d[p] = x; for (int i = 1; i <= log; i++) update(p >> i); // 下から上に更新 } void chset(int p, const S& x) { assert(0 <= p and p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); // 上から下へ伝搬 d[p] = Lazy::op(d[p], x); for (int i = 1; i <= log; i++) update(p >> i); // 下から上に更新 } S operator[](int p) { assert(0 <= p and p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); // 上から下へ伝搬 return d[p]; } S get(int p) { assert(0 <= p and p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); // 上から下へ伝搬 return d[p]; } S prod(int l, int r) { assert(0 <= l and l <= r and r <= _n); if (l == r) return Lazy::e(); l += size; r += size; for (int i = log; i >= 1; i--) { if (((l >> i) << i) != l) push(l >> i); if (((r >> i) << i) != r) push((r - 1) >> i); } S sml = Lazy::e(), smr = Lazy::e(); while (l < r) { if (l & 1) sml = Lazy::op(sml, d[l++]); if (r & 1) smr = Lazy::op(d[--r], smr); l >>= 1; r >>= 1; } return Lazy::op(sml, smr); } S all_prod() { return d[1]; } void apply(int p, const F& f) { assert(0 <= p and p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); d[p] = Lazy::mapping(f, d[p]); for (int i = 1; i <= log; i++) update(p >> i); } void apply(int l, int r, const F& f) { assert(0 <= l and l <= r and r <= _n); if (l == r) return; l += size; r += size; for (int i = log; i >= 1; i--) { if (((l >> i) << i) != l) push(l >> i); if (((r >> i) << i) != r) push((r - 1) >> i); } { int l2 = l, r2 = r; while (l < r) { if (l & 1) all_apply(l++, f); if (r & 1) all_apply(--r, f); l >>= 1; r >>= 1; } l = l2; r = r2; } for (int i = 1; i <= log; i++) { if (((l >> i) << i) != l) update(l >> i); if (((r >> i) << i) != r) update((r - 1) >> i); } } template <class G> int max_right(int l, G& g) { assert(0 <= l && l <= _n); assert(g(Lazy::e())); if (l == _n) return _n; l += size; for (int i = log; i >= 1; i--) push(l >> i); S sm = Lazy::e(); do { while ((l & 1) == 0) l >>= 1; if (!g(Lazy::op(sm, d[l]))) { while (l < size) { push(l); l <<= 1; if (g(Lazy::op(sm, d[l]))) { sm = Lazy::op(sm, d[l]); l++; } } return l - size; } sm = Lazy::op(sm, d[l]); l++; } while ((l & -l) != l); // 2べきまたは0のときfalse return _n; } template <class G> int min_left(int r, G& g) { assert(0 <= r && r <= _n); assert(g(Lazy::e())); if (r == 0) return 0; r += size; for (int i = log; i >= 1; i--) push((r - 1) >> i); S sm = Lazy::e(); do { r--; while (r > 1 && (r & 1)) r >>= 1; if (!g(Lazy::op(d[r], sm))) { while (r < size) { push(r); r = (r << 1) | 1; if (g(Lazy::op(d[r], sm))) { sm = Lazy::op(d[r], sm); r--; } } return r + 1 - size; } sm = Lazy::op(d[r], sm); } while ((r & -r) != r); // 2べきまたは0のときfalse return 0; } private: int _n, log, size; std::vector<S> d; std::vector<F> lz; inline void update(int k) { d[k] = Lazy::op(d[k << 1], d[(k << 1) | 1]); } void all_apply(int k, const F& f) { d[k] = Lazy::mapping(f, d[k]); if (k < size) lz[k] = Lazy::composition(f, lz[k]); } void push(int k) { all_apply(k << 1, lz[k]); all_apply((k << 1) | 1, lz[k]); lz[k] = Lazy::id(); } }; /** * @brief Lazy Segment Tree (遅延セグメント木) * @docs docs/data_structure/lazy_segment_tree.md */ int main() { ios::sync_with_stdio(false); cin.tie(0); int N; cin >> N; V<ll> A(N), T(N); rep(i, N) cin >> A[i] >> T[i]; int Q; cin >> Q; V<ll> D(Q); V<int> L(Q), R(Q); rep(i, Q) { cin >> D[i] >> L[i] >> R[i]; L[i]--; } rep(i, N) { A[i] = A[i] + T[i] - 1; T[i]--; } auto calc = [](V<ll>& A, V<ll>& D, V<int>& L, V<int>& R) -> V<ll> { int Q = (int)D.size(), N = (int)A.size(); V<tuple<ll, int, int>> event; rep(i, N) event.push_back({A[i], 1, i}); rep(i, Q) event.push_back({D[i], 2, i}); sort(event.begin(), event.end()); V<pair<ll, int>> seginit(N); rep(i, N) seginit[i] = {A[i], 1}; lazy_segment_tree<lazy_sum_add<ll>> seg(seginit); V<ll> ans(Q); ll las = 0; for (auto [t, qt, ind] : event) { seg.apply(0, N, -(t - las)); las = t; if (qt == 1) { seg.set(ind, {seg[ind].first, 0}); } else { ans[ind] = seg.prod(L[ind], R[ind]).first; } } return ans; }; show(A, T); auto res1 = calc(A, D, L, R); auto res2 = calc(T, D, L, R); show(res1, res2); rep(i, Q) { cout << res1[i] - res2[i] << '\n'; } return 0; }