結果
問題 | No.1099 Range Square Sum |
ユーザー | fine |
提出日時 | 2020-06-26 22:13:12 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,738 bytes |
コンパイル時間 | 7,281 ms |
コンパイル使用メモリ | 176,088 KB |
実行使用メモリ | 19,604 KB |
最終ジャッジ日時 | 2024-07-04 21:42:51 |
合計ジャッジ時間 | 4,805 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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
6,816 KB |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | WA | - |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | WA | - |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using P = pair<ll, ll>; constexpr char newl = '\n'; // [Related]: monoid_op // 参考: http://kazuma8128.hatenablog.com/entry/2017/12/29/081929 template <class MonoidOp> struct LazySegmentTree { using Tm = typename MonoidOp::Tm; using To = typename MonoidOp::To; int n; int h; vector<Tm> data; vector<To> lazy; LazySegmentTree() {} LazySegmentTree(int size, Tm initial_data_value = MonoidOp::unit()) { n = 1; h = 0; while (n < size) { h++; n <<= 1; } data.assign((n << 1), initial_data_value); lazy.assign((n << 1), MonoidOp::op_unit()); if (initial_data_value != MonoidOp::unit()) { for (int i = n - 1; i > 0; i--) data[i] = MonoidOp::merge(data[(i << 1)], data[(i << 1) + 1]); } } LazySegmentTree(const vector<Tm>& v) { int size = v.size(); n = 1; h = 0; while (n < size) { h++; n <<= 1; } data.assign((n << 1), MonoidOp::unit()); lazy.assign((n << 1), MonoidOp::op_unit()); for (int i = 0; i < size; i++) data[i + n] = v[i]; for (int i = n - 1; i > 0; i--) data[i] = MonoidOp::merge(data[(i << 1)], data[(i << 1) + 1]); } // https://komiyam.hatenadiary.org/entry/20131202/1385992406 inline int getSegLen(int k) { return n / (1 << (31 - __builtin_clz(k))); } Tm getLeaf(int k) { return query(k, k + 1); } void push(int k) { if (lazy[k] == MonoidOp::op_unit()) return; int seg_len = getSegLen(k); data[k] = MonoidOp::apply(data[k], lazy[k], seg_len); if (seg_len > 1) { lazy[(k << 1)] = MonoidOp::op_merge(lazy[(k << 1)], lazy[k]); lazy[(k << 1) + 1] = MonoidOp::op_merge(lazy[(k << 1) + 1], lazy[k]); } lazy[k] = MonoidOp::op_unit(); } void update(int k) { Tm vl = MonoidOp::apply(data[(k << 1)], lazy[(k << 1)], getSegLen(k << 1)); Tm vr = MonoidOp::apply(data[(k << 1) + 1], lazy[(k << 1) + 1], getSegLen((k << 1) + 1)); data[k] = MonoidOp::merge(vl, vr); } //区間[a, b)に対する更新 void update(int a, int b, To x) { a += n, b += n - 1; for (int i = h; i > 0; i--) { push(a >> i); push(b >> i); } for (int l = a, r = b + 1; l < r; l >>= 1, r >>= 1) { if (l & 1) lazy[l] = MonoidOp::op_merge(lazy[l], x), l++; if (r & 1) --r, lazy[r] = MonoidOp::op_merge(lazy[r], x); } while (a >>= 1, b >>= 1, a) { if (lazy[a] == MonoidOp::op_unit()) update(a); if (lazy[b] == MonoidOp::op_unit()) update(b); } } //区間[a, b)に対するクエリに答える Tm query(int a, int b) { a += n, b += n - 1; for (int i = h; i > 0; i--) { push(a >> i); push(b >> i); } Tm vl = MonoidOp::unit(), vr = MonoidOp::unit(); for (int l = a, r = b + 1; l < r; l >>= 1, r >>= 1) { if (l & 1) { vl = MonoidOp::merge(vl, MonoidOp::apply(data[l], lazy[l], getSegLen(l))); l++; } if (r & 1) { --r; vr = MonoidOp::merge(MonoidOp::apply(data[r], lazy[r], getSegLen(r)), vr); } } return MonoidOp::merge(vl, vr); } }; template<class U = P, class V = ll> struct RangeSumAdd { using Tm = U; using To = V; static Tm merge(const Tm& x, const Tm& y) { return Tm(x.first + y.first, x.second + y.second); } static To op_merge(const To& x, const To& y) { return x + y; } static Tm apply(const Tm& vm, const To& vo, int seg_len) { return Tm(vm.first + vo, vm.second + vm.first * vo * 2 + vo * vo * seg_len); } static constexpr Tm unit() { return Tm(0, 0); } static constexpr To op_unit() { return To(0); } }; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int n; cin >> n; vector<P> v; for (int i = 0; i < n; i++) { ll a; cin >> a; v.emplace_back(a, a * a); } LazySegmentTree< RangeSumAdd<> > st(v); int q; cin >> q; for (int i = 0; i < q; i++) { int com; cin >> com; if (com == 1) { int l, r; ll x; cin >> l >> r >> x; --l; st.update(l, r, x); } else { int l, r; cin >> l >> r; --l; cout << st.query(l, r).second << newl; } } return 0; }