結果
問題 | No.2808 Concentration |
ユーザー | fuppy_kyopro |
提出日時 | 2024-07-12 22:16:56 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 253 ms / 2,000 ms |
コード長 | 7,657 bytes |
コンパイル時間 | 4,003 ms |
コンパイル使用メモリ | 239,036 KB |
実行使用メモリ | 28,368 KB |
最終ジャッジ日時 | 2024-07-12 22:17:23 |
合計ジャッジ時間 | 15,208 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge6 |
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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 | 242 ms
28,196 KB |
testcase_01 | AC | 247 ms
28,080 KB |
testcase_02 | AC | 237 ms
28,292 KB |
testcase_03 | AC | 253 ms
28,232 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 90 ms
13,356 KB |
testcase_08 | AC | 34 ms
7,432 KB |
testcase_09 | AC | 3 ms
6,940 KB |
testcase_10 | AC | 125 ms
19,568 KB |
testcase_11 | AC | 138 ms
18,568 KB |
testcase_12 | AC | 60 ms
10,004 KB |
testcase_13 | AC | 202 ms
26,320 KB |
testcase_14 | AC | 31 ms
6,940 KB |
testcase_15 | AC | 163 ms
25,268 KB |
testcase_16 | AC | 192 ms
24,760 KB |
testcase_17 | AC | 227 ms
27,024 KB |
testcase_18 | AC | 197 ms
28,112 KB |
testcase_19 | AC | 101 ms
15,272 KB |
testcase_20 | AC | 166 ms
26,936 KB |
testcase_21 | AC | 161 ms
23,740 KB |
testcase_22 | AC | 143 ms
18,068 KB |
testcase_23 | AC | 100 ms
17,300 KB |
testcase_24 | AC | 187 ms
25,628 KB |
testcase_25 | AC | 108 ms
15,376 KB |
testcase_26 | AC | 202 ms
25,200 KB |
testcase_27 | AC | 226 ms
28,200 KB |
testcase_28 | AC | 233 ms
28,240 KB |
testcase_29 | AC | 218 ms
28,216 KB |
testcase_30 | AC | 209 ms
28,140 KB |
testcase_31 | AC | 182 ms
28,184 KB |
testcase_32 | AC | 179 ms
28,196 KB |
testcase_33 | AC | 229 ms
28,196 KB |
testcase_34 | AC | 195 ms
28,208 KB |
testcase_35 | AC | 191 ms
28,196 KB |
testcase_36 | AC | 218 ms
28,140 KB |
testcase_37 | AC | 212 ms
28,140 KB |
testcase_38 | AC | 208 ms
28,264 KB |
testcase_39 | AC | 191 ms
28,236 KB |
testcase_40 | AC | 199 ms
28,188 KB |
testcase_41 | AC | 207 ms
28,368 KB |
testcase_42 | AC | 216 ms
28,208 KB |
testcase_43 | AC | 235 ms
28,232 KB |
testcase_44 | AC | 203 ms
28,240 KB |
testcase_45 | AC | 202 ms
28,344 KB |
testcase_46 | AC | 196 ms
28,168 KB |
testcase_47 | AC | 2 ms
6,940 KB |
testcase_48 | AC | 2 ms
6,940 KB |
testcase_49 | AC | 1 ms
6,940 KB |
testcase_50 | AC | 2 ms
6,940 KB |
testcase_51 | AC | 2 ms
6,940 KB |
testcase_52 | AC | 2 ms
6,940 KB |
testcase_53 | AC | 2 ms
6,944 KB |
testcase_54 | AC | 2 ms
6,940 KB |
testcase_55 | AC | 1 ms
6,944 KB |
testcase_56 | AC | 2 ms
6,940 KB |
ソースコード
//* #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") //*/ // #include <atcoder/all> #include <bits/stdc++.h> using namespace std; // using namespace atcoder; // #define _GLIBCXX_DEBUG #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 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 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; } template <class T> T ceil_div(T a, T b) { return (a + b - 1) / b; } template <class T> T safe_mul(T a, T b) { if (a == 0 || b == 0) return 0; if (numeric_limits<T>::max() / a < b) return numeric_limits<T>::max(); return a * b; } #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); } vector<int> gen_perm(int n) { vector<int> ret(n); iota(all(ret), 0); return ret; } // 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, 0, -1, 1}, dy = {-1, 1, 0, 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); cerr << fixed << setprecision(25); } } setup_io; // constexpr ll MOD = 1000000007; constexpr ll MOD = 998244353; // #define mp make_pair template <typename T> class SegmentTree { public: using F = function<T(T &, T &)>; int n; vector<T> dat; T e; 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]); } } 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]); } } void update(int k, T a) { update(k, a, 0, 0, n); } 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); } } T query(int a, int b) { return query(a, b, 0, 0, n); } 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 f(ll a, ll b) { return max(a, b); } signed main() { ll n, s, h; cin >> n >> s >> h; vector<ll> x(n), y(n), z(n); rep(i, n) { cin >> x[i] >> y[i] >> z[i]; } vl sum(n + 1, 0); rep(i, n) { sum[i + 1] = sum[i] + z[i]; } vector<ll> dp0(n + 1), dp1(n); dp0[0] = 0; vl ini0(n + 1); rep(i, n + 1) { ini0[i] = -sum[i]; } SegmentTree<ll> seg0(ini0, f, f, -INF), seg1(dp1, f, f, -INF); rep(i, n) { // 話 i が終わった瞬間の dp1 を更新 { int ok = i + 1, ng = -1; while (ok - ng > 1) { int mid = (ok + ng) / 2; if (y[i] - x[mid] <= s) { ok = mid; } else { ng = mid; } } // 話 ok, ok + 1, ..., i の好きな時に起き始められる if (ok <= i) { dp1[i] = seg0.query(ok, i + 1) + sum[i + 1]; seg1.update(i, dp1[i]); } } // i + 1 個の話を処理して(話 i が終わって)、話 i + 1 をきける状態になった時のスコア { if (i + 1 == n) { dp0[n] = seg1.query(0, n); break; } int ok = -1, ng = i + 1; while (ng - ok > 1) { int mid = (ok + ng) / 2; if (x[i + 1] - y[mid] >= h) { ok = mid; } else { ng = mid; } } // 話 0, 1, ..., ok は聞いた後寝て起きれる if (ok >= 0) { dp0[i + 1] = seg1.query(0, ok + 1); seg0.update(i + 1, dp0[i + 1] - sum[i + 1]); } } } cout << dp0[n] << endl; }