結果
問題 | No.1226 I hate Robot Arms |
ユーザー | fine |
提出日時 | 2020-09-12 00:30:52 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 491 ms / 2,000 ms |
コード長 | 5,421 bytes |
コンパイル時間 | 2,037 ms |
コンパイル使用メモリ | 178,184 KB |
実行使用メモリ | 29,200 KB |
最終ジャッジ日時 | 2024-06-10 11:25:03 |
合計ジャッジ時間 | 18,237 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 131 ms
7,040 KB |
testcase_03 | AC | 150 ms
10,096 KB |
testcase_04 | AC | 177 ms
28,656 KB |
testcase_05 | AC | 159 ms
28,976 KB |
testcase_06 | AC | 416 ms
28,860 KB |
testcase_07 | AC | 123 ms
6,940 KB |
testcase_08 | AC | 45 ms
28,852 KB |
testcase_09 | AC | 284 ms
10,008 KB |
testcase_10 | AC | 33 ms
6,944 KB |
testcase_11 | AC | 196 ms
28,948 KB |
testcase_12 | AC | 107 ms
16,236 KB |
testcase_13 | AC | 85 ms
28,928 KB |
testcase_14 | AC | 342 ms
10,048 KB |
testcase_15 | AC | 30 ms
28,856 KB |
testcase_16 | AC | 411 ms
29,044 KB |
testcase_17 | AC | 107 ms
10,260 KB |
testcase_18 | AC | 71 ms
10,132 KB |
testcase_19 | AC | 205 ms
29,160 KB |
testcase_20 | AC | 185 ms
28,920 KB |
testcase_21 | AC | 255 ms
28,968 KB |
testcase_22 | AC | 422 ms
28,956 KB |
testcase_23 | AC | 419 ms
29,020 KB |
testcase_24 | AC | 417 ms
29,088 KB |
testcase_25 | AC | 414 ms
29,188 KB |
testcase_26 | AC | 413 ms
29,092 KB |
testcase_27 | AC | 461 ms
29,088 KB |
testcase_28 | AC | 463 ms
29,200 KB |
testcase_29 | AC | 491 ms
29,152 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using P = pair<ld, ld>; constexpr char newl = '\n'; constexpr ld PI = 3.14159265358979; // [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, const 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 = array<ld, 4> > struct Arm { 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) { To res{}; for (int i = 0; i < 2; i++) { for (int k = 0; k < 2; k++) { for (int j = 0; j < 2; j++) { res[i * 2 + j] += y[i * 2 + k] * x[k * 2 + j]; } } } return res; } static Tm apply(const Tm& vm, const To& vo, int seg_len) { return Tm( vo[0] * vm.first + vo[1] * vm.second, vo[2] * vm.first + vo[3] * vm.second ); } static constexpr Tm unit() { return {0, 0}; } static constexpr To op_unit() { return {1, 0, 0, 1}; } }; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int n, q; cin >> n >> q; vector<int> d(n, 1); vector<int> th(n, 0); LazySegmentTree< Arm<> > st(n, P(1, 0)); for (int i = 0; i < q; i++) { int com; cin >> com; if (com == 0) { int tar, x; cin >> tar >> x; --tar; ld th_diff = (x - th[tar]) * PI / 180; st.update(tar, n, {cos(th_diff), -sin(th_diff), sin(th_diff), cos(th_diff)}); th[tar] = x; } else if (com == 1) { int tar, x; cin >> tar >> x; --tar; ld len_mul = (ld)x / d[tar]; st.update(tar, tar + 1, {len_mul, 0, 0, len_mul}); d[tar] = x; } else { int tar; cin >> tar; P ans = st.query(0, tar); cout << fixed << setprecision(20) << ans.first << " " << ans.second << newl; } } return 0; }