結果
問題 | No.1826 Fruits Collecting |
ユーザー | fuppy_kyopro |
提出日時 | 2022-01-28 23:09:17 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 11,593 bytes |
コンパイル時間 | 5,566 ms |
コンパイル使用メモリ | 274,332 KB |
実行使用メモリ | 264,988 KB |
最終ジャッジ日時 | 2024-06-09 16:41:08 |
合計ジャッジ時間 | 11,445 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 6 ms
13,884 KB |
testcase_01 | AC | 12 ms
6,816 KB |
testcase_02 | AC | 12 ms
6,944 KB |
testcase_03 | AC | 18 ms
7,412 KB |
testcase_04 | AC | 7 ms
6,940 KB |
testcase_05 | AC | 1,999 ms
264,988 KB |
testcase_06 | TLE | - |
testcase_07 | -- | - |
testcase_08 | -- | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
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 | -- | - |
testcase_35 | -- | - |
testcase_36 | -- | - |
testcase_37 | -- | - |
testcase_38 | -- | - |
testcase_39 | -- | - |
testcase_40 | -- | - |
testcase_41 | -- | - |
testcase_42 | -- | - |
testcase_43 | -- | - |
testcase_44 | -- | - |
testcase_45 | -- | - |
ソースコード
//* #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") //*/ #include <bits/stdc++.h> // #include <atcoder/all> using namespace std; // using namespace atcoder; #define DEBUG(x) cerr << #x << ": " << x << endl; #define DEBUG_VEC(v) \ cerr << #v << ":"; \ for (int iiiiiiii = 0; iiiiiiii < v.size(); iiiiiiii++) \ cerr << " " << v[iiiiiiii]; \ cerr << endl; #define DEBUG_MAT(v) \ cerr << #v << endl; \ for (int iv = 0; iv < v.size(); iv++) { \ for (int jv = 0; jv < v[iv].size(); jv++) { \ cerr << v[iv][jv] << " "; \ } \ cerr << endl; \ } typedef long long ll; // #define int ll #define vi vector<int> #define vl vector<ll> #define vii vector<vector<int>> #define vll vector<vector<ll>> #define vs vector<string> #define pii pair<int, int> #define pis pair<int, string> #define psi pair<string, int> #define pll pair<ll, ll> template <class S, class T> pair<S, T> operator+(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first + t.first, s.second + t.second); } template <class S, class T> pair<S, T> operator-(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first - t.first, s.second - t.second); } template <class S, class T> ostream &operator<<(ostream &os, pair<S, T> p) { os << "(" << p.first << ", " << p.second << ")"; return os; } #define X first #define Y second #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep1(i, n) for (int i = 1; i <= (int)(n); i++) #define rrep(i, n) for (int i = (int)(n)-1; i >= 0; i--) #define rrep1(i, n) for (int i = (int)(n); i > 0; i--) #define REP(i, a, b) for (int i = a; i < b; i++) #define in(x, a, b) (a <= x && x < b) #define all(c) c.begin(), c.end() void YES(bool t = true) { cout << (t ? "YES" : "NO") << endl; } void Yes(bool t = true) { cout << (t ? "Yes" : "No") << endl; } void yes(bool t = true) { cout << (t ? "yes" : "no") << endl; } void NO(bool t = true) { cout << (t ? "NO" : "YES") << endl; } void No(bool t = true) { cout << (t ? "No" : "Yes") << endl; } void no(bool t = true) { cout << (t ? "no" : "yes") << endl; } template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; } #define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end()); const ll inf = 1000000001; const ll INF = (ll)1e18 + 1; const long double pi = 3.1415926535897932384626433832795028841971L; int popcount(ll t) { return __builtin_popcountll(t); } // int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; // int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 }; vi dx = {0, 1, 0, -1}, dy = {-1, 0, 1, 0}; vi dx2 = {1, 1, 0, -1, -1, -1, 0, 1}, dy2 = {0, 1, 1, 1, 0, -1, -1, -1}; struct Setup_io { Setup_io() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); cout << fixed << setprecision(25); } } setup_io; // const ll MOD = 1000000007; const ll MOD = 998244353; // #define mp make_pair //#define endl '\n' template <typename T> class SegmentTree { public: using F = function<T(T &, T &)>; int n; vector<T> dat; T e; // �P�ʌ� F query_func; F update_func; SegmentTree(vector<T> a, F query_func, F update_func, T e) : n(a.size()), query_func(query_func), update_func(update_func), e(e) { if (n == 0) { a.push_back(e); n++; } dat.resize(4 * n); init(0, 0, n, a); } void init(int k, int l, int r, vector<T> &a) { if (r - l == 1) { dat[k] = a[l]; } else { int lch = 2 * k + 1, rch = 2 * k + 2; init(lch, l, (l + r) / 2, a); init(rch, (l + r) / 2, r, a); dat[k] = query_func(dat[lch], dat[rch]); } } //k�Ԗڂ̒l��a�ɕύX void update(int k, T a, int v, int l, int r) { if (r - l == 1) { dat[v] = update_func(dat[v], a); } else { if (k < (l + r) / 2) update(k, a, 2 * v + 1, l, (l + r) / 2); else { update(k, a, 2 * v + 2, (l + r) / 2, r); } dat[v] = query_func(dat[v * 2 + 1], dat[v * 2 + 2]); } } //[a,b)�̍ŏ��l�����߂� //���̂ق��̈����͌v�Z�̊ȒP�̂��߂̈��� //k�͐ړ_�̔ԍ�,l,r�͂��̐ړ_��[l,r)�ɑΉ����Ă��邱�Ƃ�\�� //�]���āA�O�����query(a,b,0,0,n)�Ƃ��Ă�� T query(int a, int b, int k, int l, int r) { if (r <= a || b <= l) { return e; } if (a <= l && r <= b) { return dat[k]; } else { T ul = query(a, b, k * 2 + 1, l, (l + r) / 2); T ur = query(a, b, k * 2 + 2, (l + r) / 2, r); return query_func(ul, ur); } } // ���������ĉE��T�� int find(int a, int b, int k, int l, int r, int x) { // ������ if (dat[k] < x || r <= a || b <= l) return -1; if (l + 1 == r) { // ������ if (dat[k] >= x) return l; else return -1; } int rv = find(a, b, 2 * k + 2, (l + r) / 2, r, x); if (rv != -1) return rv; return find(a, b, 2 * k + 1, l, (l + r) / 2, x); } }; ll fff(ll a, ll b) { return max(a, b); } ll ggg(ll a, ll b) { return max(a, b); } template <typename structure_t, typename get_t, typename update_t> struct SegmentTree2DCompressed { 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); 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(vl(beet[k].size(), -INF), fff, ggg, -INF)); } } void preupdate(int x, int y) { beet[x + sz].push_back(y); } }; ll ff(ll a, ll b) { return max(a, b); } ll gg(SegmentTree<ll> &seg, int a, int b) { return seg.query(a, b, 0, 0, seg.n); } void hh(SegmentTree<ll> &seg, int a, ll b) { seg.update(a, b, 0, 0, seg.n); } template <typename T> class Zaatsu { bool is_build; vector<T> elements; public: Zaatsu() : is_build(false) {} void add(T x) { elements.push_back(x); } void add(vector<T> x) { for (int i = 0; i < (int)x.size(); i++) { elements.push_back(x[i]); } } int build() { sort(elements.begin(), elements.end()); UNIQUE(elements); is_build = true; return elements.size(); } int operator[](T x) { assert(is_build); return lower_bound(elements.begin(), elements.end(), x) - elements.begin(); } T original(int i) { assert(is_build); return elements[i]; } }; signed main() { int n; cin >> n; using tup = tuple<ll, ll, ll>; vector<tup> txv(n); rep(i, n) { int t, x, v; cin >> t >> x >> v; txv[i] = tup(t, x, v); } sort(all(txv)); Zaatsu<ll> zax, zatx1, zatx2; zax.add(0); zatx1.add(0); zatx2.add(0); rep(i, n) { auto [t, x, v] = txv[i]; zax.add(x); zatx1.add(t - x); zatx2.add(t + x); } zax.build(); zatx1.build(); zatx2.build(); SegmentTree2DCompressed<SegmentTree<ll>, ll, ll> dp1(n + 1, ff, gg, hh, -INF), dp2(n + 1, ff, gg, hh, -INF); rep(i, n) { auto [t, x, v] = txv[i]; int xi = zax[x]; int tx1i = zatx1[t - x]; int tx2i = zatx2[t + x]; dp1.preupdate(tx1i, xi); dp2.preupdate(tx2i, xi); } int xi = zax[0]; int tx1i = zatx1[0]; int tx2i = zatx2[0]; dp1.preupdate(tx1i, xi); dp2.preupdate(tx2i, xi); dp1.build(); dp2.build(); dp1.update(tx1i, xi, 0); dp2.update(tx2i, xi, 0); ll ans = 0; rep(i, n) { auto [t, x, v] = txv[i]; int xi = zax[x]; int tx1i = zatx1[t - x]; int tx2i = zatx2[t + x]; ll ma1 = dp1.query(0, tx1i + 1, 0, xi + 1); ll ma2 = dp2.query(0, tx2i + 1, xi, n + 1); ll ma = max(ma1, ma2) + v; chmax(ans, ma); dp1.update(tx1i, xi, ma); dp2.update(tx2i, xi, ma); } cout << ans << endl; }