結果
問題 | No.1625 三角形の質問 |
ユーザー | kwm_t |
提出日時 | 2021-07-24 02:12:04 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2,584 ms / 6,000 ms |
コード長 | 5,569 bytes |
コンパイル時間 | 4,837 ms |
コンパイル使用メモリ | 259,068 KB |
実行使用メモリ | 311,132 KB |
最終ジャッジ日時 | 2024-07-19 02:45:56 |
合計ジャッジ時間 | 40,360 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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
5,248 KB |
testcase_01 | AC | 141 ms
35,084 KB |
testcase_02 | AC | 991 ms
148,948 KB |
testcase_03 | AC | 901 ms
144,096 KB |
testcase_04 | AC | 711 ms
135,796 KB |
testcase_05 | AC | 1,415 ms
169,800 KB |
testcase_06 | AC | 2,502 ms
311,132 KB |
testcase_07 | AC | 2,481 ms
311,092 KB |
testcase_08 | AC | 2,584 ms
311,108 KB |
testcase_09 | AC | 2,457 ms
311,128 KB |
testcase_10 | AC | 2,536 ms
311,108 KB |
testcase_11 | AC | 2,490 ms
310,932 KB |
testcase_12 | AC | 2,495 ms
311,052 KB |
testcase_13 | AC | 2,459 ms
310,984 KB |
testcase_14 | AC | 2,480 ms
311,036 KB |
testcase_15 | AC | 2,575 ms
311,088 KB |
testcase_16 | AC | 611 ms
183,236 KB |
testcase_17 | AC | 752 ms
187,460 KB |
testcase_18 | AC | 1,062 ms
162,468 KB |
testcase_19 | AC | 897 ms
208,920 KB |
ソースコード
#include "bits/stdc++.h" #include "atcoder/all" using namespace std; using namespace atcoder; //using mint = modint1000000007; //const int mod = 1000000007; //using mint = modint998244353; //const int mod = 998244353; //const int INF = 1e9; //const long long LINF = 1e18; //const bool debug = false; #define rep(i, n) for (int i = 0; i < (n); ++i) #define rep2(i,l,r)for(int i=(l);i<(r);++i) #define rrep(i, n) for (int i = (n-1); i >= 0; --i) #define rrep2(i,l,r)for(int i=(r-1);i>=(l);--i) #define all(x) (x).begin(),(x).end() #define allR(x) (x).rbegin(),(x).rend() #define endl "\n" #define P pair<long long,long long> template<typename A, typename B> inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; } template<typename A, typename B> inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; } template< typename structure_t, typename get_t, typename update_t > struct SegmentTree2DCompressed { //{矩形取得, 一点更新} // クエリ先読みpreupdateが必要 using merge_f = function< get_t(get_t, get_t) >; using range_get_f = function< get_t(structure_t &, int, int) >; using update_f = function< void(structure_t &, int, update_t) >; int sz; vector< structure_t > seg; const merge_f f; const range_get_f g; const update_f h; const get_t identity; vector< vector< int > > LL, RR; vector< vector< int > > beet; SegmentTree2DCompressed(int n, const merge_f &f, const range_get_f &g, const update_f &h, const get_t &identity) : f(f), g(g), h(h), identity(identity) { sz = 1; while (sz < n) sz <<= 1; beet.resize(2 * sz); LL.resize(2 * sz); RR.resize(2 * sz); } void update(int a, int x, update_t z, int k, int l, int r) { if (r <= a || a + 1 <= l) return; if (a <= l && r <= a + 1) return h(seg[k], x, z); update(a, LL[k][x], z, 2 * k + 0, l, (l + r) >> 1); update(a, RR[k][x], z, 2 * k + 1, (l + r) >> 1, r); return h(seg[k], x, z); } void update(int x, int y, update_t z) { y = lower_bound(begin(beet[1]), end(beet[1]), y) - begin(beet[1]); return update(x, y, z, 1, 0, sz); } get_t query(int a, int b, int x, int y, int k, int l, int r) { if (a >= r || b <= l) return identity; if (a <= l && r <= b) return g(seg[k], x, y); return f(query(a, b, LL[k][x], LL[k][y], 2 * k + 0, l, (l + r) >> 1), query(a, b, RR[k][x], RR[k][y], 2 * k + 1, (l + r) >> 1, r)); } get_t query(int a, int b, int x, int y) { x = lower_bound(begin(beet[1]), end(beet[1]), x) - begin(beet[1]); y = lower_bound(begin(beet[1]), end(beet[1]), y) - begin(beet[1]); return query(a, b, x, y, 1, 0, sz); } void build() { for (int k = (int)beet.size() - 1; k >= sz; k--) { sort(begin(beet[k]), end(beet[k])); beet[k].erase(unique(begin(beet[k]), end(beet[k])), end(beet[k])); } for (int k = sz - 1; k > 0; k--) { beet[k].resize(beet[2 * k + 0].size() + beet[2 * k + 1].size()); merge(begin(beet[2 * k + 0]), end(beet[2 * k + 0]), begin(beet[2 * k + 1]), end(beet[2 * k + 1]), begin(beet[k])); beet[k].erase(unique(begin(beet[k]), end(beet[k])), end(beet[k])); LL[k].resize(beet[k].size() + 1); RR[k].resize(beet[k].size() + 1); int tail1 = 0, tail2 = 0; for (int i = 0; i < beet[k].size(); i++) { while (tail1 < beet[2 * k + 0].size() && beet[2 * k + 0][tail1] < beet[k][i]) ++tail1; while (tail2 < beet[2 * k + 1].size() && beet[2 * k + 1][tail2] < beet[k][i]) ++tail2; LL[k][i] = tail1, RR[k][i] = tail2; } LL[k][beet[k].size()] = (int)beet[2 * k + 0].size(); RR[k][beet[k].size()] = (int)beet[2 * k + 1].size(); } for (int k = 0; k < beet.size(); k++) { seg.emplace_back(structure_t(beet[k].size())); } } void preupdate(int x, int y) { beet[x + sz].push_back(y); } }; long long calcS(long long a, long long b, long long c, long long d, long long e, long long f) { c -= a; d -= b; e -= a; f -= b; return abs(c*f - d * e); } long long op(long long a, long long b) { return std::max(a, b); } long long e() { return -1; } using tree1d = atcoder::segtree<long long, op, e>; using tree2d = SegmentTree2DCompressed<tree1d, long long, long long>; int main() { long long N, Q; cin >> N >> Q; vector<long long> t(Q), l(Q), r(Q), s(Q), fl(N), fr(N), fs(N); rep(i, N) { int a, b, c, d, e, f; cin >> a >> b >> c >> d >> e >> f; fl[i] = min({ a,c,e }); fr[i] = max({ a,c,e }); fs[i] = calcS(a, b, c, d, e, f); } rep(i, Q) { cin >> t[i]; if (t[i] == 1) { int a, b, c, d, e, f; cin >> a >> b >> c >> d >> e >> f; l[i] = min({ a,c,e }); r[i] = max({ a,c,e }); s[i] = calcS(a, b, c, d, e, f); } else cin >> l[i] >> r[i]; } vector<long long> za; for (auto& x : l)za.emplace_back(x); for (auto& x : r)za.emplace_back(x); for (auto& x : fl)za.emplace_back(x); for (auto& x : fr)za.emplace_back(x); sort(all(za)); za.erase(unique(all(za)), za.end()); tree2d tree(za.size(), [](long long a, long long b) {return max(a, b); }, [](tree1d& x, int a, int b) {return x.prod(a, b); }, [](tree1d& x, int a, long long b) {x.set(a, b); }, -1); for (auto& x : l)x = lower_bound(all(za), x) - za.begin(); for (auto& x : r)x = lower_bound(all(za), x) - za.begin(); for (auto& x : fl)x = lower_bound(all(za), x) - za.begin(); for (auto& x : fr)x = lower_bound(all(za), x) - za.begin(); rep(i, N)tree.preupdate(fl[i], fr[i]); rep(i, Q)tree.preupdate(l[i], r[i]); tree.build(); rep(i, N)tree.update(fl[i], fr[i], fs[i]); rep(i, Q) { if (t[i] == 1)tree.update(l[i], r[i], s[i]); else cout << tree.query(l[i], r[i] + 1, l[i], r[i] + 1) << endl; } }