結果
問題 | No.1826 Fruits Collecting |
ユーザー | 👑 emthrm |
提出日時 | 2022-01-29 00:03:37 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 161 ms / 2,000 ms |
コード長 | 4,433 bytes |
コンパイル時間 | 2,133 ms |
コンパイル使用メモリ | 213,800 KB |
実行使用メモリ | 12,840 KB |
最終ジャッジ日時 | 2024-06-09 17:36:21 |
合計ジャッジ時間 | 7,263 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 1 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 3 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 66 ms
7,424 KB |
testcase_06 | AC | 106 ms
10,920 KB |
testcase_07 | AC | 71 ms
7,936 KB |
testcase_08 | AC | 8 ms
6,944 KB |
testcase_09 | AC | 100 ms
8,704 KB |
testcase_10 | AC | 67 ms
7,936 KB |
testcase_11 | AC | 64 ms
7,552 KB |
testcase_12 | AC | 26 ms
6,940 KB |
testcase_13 | AC | 13 ms
6,940 KB |
testcase_14 | AC | 21 ms
6,944 KB |
testcase_15 | AC | 161 ms
12,676 KB |
testcase_16 | AC | 158 ms
12,680 KB |
testcase_17 | AC | 157 ms
12,836 KB |
testcase_18 | AC | 156 ms
12,748 KB |
testcase_19 | AC | 156 ms
12,788 KB |
testcase_20 | AC | 156 ms
12,772 KB |
testcase_21 | AC | 157 ms
12,840 KB |
testcase_22 | AC | 157 ms
12,676 KB |
testcase_23 | AC | 158 ms
12,736 KB |
testcase_24 | AC | 156 ms
12,796 KB |
testcase_25 | AC | 1 ms
6,940 KB |
testcase_26 | AC | 1 ms
6,944 KB |
testcase_27 | AC | 2 ms
6,940 KB |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 1 ms
6,944 KB |
testcase_30 | AC | 33 ms
6,944 KB |
testcase_31 | AC | 66 ms
7,680 KB |
testcase_32 | AC | 31 ms
6,944 KB |
testcase_33 | AC | 105 ms
11,080 KB |
testcase_34 | AC | 88 ms
8,448 KB |
testcase_35 | AC | 20 ms
6,940 KB |
testcase_36 | AC | 104 ms
10,964 KB |
testcase_37 | AC | 71 ms
8,320 KB |
testcase_38 | AC | 50 ms
7,296 KB |
testcase_39 | AC | 88 ms
8,320 KB |
testcase_40 | AC | 114 ms
9,088 KB |
testcase_41 | AC | 25 ms
6,940 KB |
testcase_42 | AC | 5 ms
6,940 KB |
testcase_43 | AC | 1 ms
6,940 KB |
testcase_44 | AC | 1 ms
6,940 KB |
testcase_45 | AC | 1 ms
6,944 KB |
ソースコード
#define _USE_MATH_DEFINES #include <bits/stdc++.h> using namespace std; #define FOR(i,m,n) for(int i=(m);i<(n);++i) #define REP(i,n) FOR(i,0,n) #define ALL(v) (v).begin(),(v).end() using ll = long long; constexpr int INF = 0x3f3f3f3f; constexpr long long LINF = 0x3f3f3f3f3f3f3f3fLL; constexpr double EPS = 1e-8; constexpr int MOD = 1000000007; // constexpr int MOD = 998244353; constexpr int DY[]{1, 0, -1, 0}, DX[]{0, -1, 0, 1}; constexpr int DY8[]{1, 1, 0, -1, -1, -1, 0, 1}, DX8[]{0, -1, -1, -1, 0, 1, 1, 1}; template <typename T, typename U> inline bool chmax(T& a, U b) { return a < b ? (a = b, true) : false; } template <typename T, typename U> inline bool chmin(T& a, U b) { return a > b ? (a = b, true) : false; } struct IOSetup { IOSetup() { std::cin.tie(nullptr); std::ios_base::sync_with_stdio(false); std::cout << fixed << setprecision(20); } } iosetup; template <typename T> struct SegmentTree { using Monoid = typename T::Monoid; SegmentTree(int n) : SegmentTree(std::vector<Monoid>(n, T::id())) {} SegmentTree(const std::vector<Monoid> &a) : n(a.size()) { while (p2 < n) p2 <<= 1; dat.assign(p2 << 1, T::id()); for (int i = 0; i < n; ++i) dat[i + p2] = a[i]; for (int i = p2 - 1; i > 0; --i) dat[i] = T::merge(dat[i << 1], dat[(i << 1) + 1]); } void set(int idx, Monoid val) { idx += p2; dat[idx] = val; while (idx >>= 1) dat[idx] = T::merge(dat[idx << 1], dat[(idx << 1) + 1]); } Monoid get(int left, int right) const { Monoid l_res = T::id(), r_res = T::id(); for (left += p2, right += p2; left < right; left >>= 1, right >>= 1) { if (left & 1) l_res = T::merge(l_res, dat[left++]); if (right & 1) r_res = T::merge(dat[--right], r_res); } return T::merge(l_res, r_res); } Monoid operator[](const int idx) const { return dat[idx + p2]; } template <typename G> int find_right(int left, G g) { if (left >= n) return n; Monoid val = T::id(); left += p2; do { while (!(left & 1)) left >>= 1; Monoid nx = T::merge(val, dat[left]); if (!g(nx)) { while (left < p2) { left <<= 1; nx = T::merge(val, dat[left]); if (g(nx)) { val = nx; ++left; } } return left - p2; } val = nx; ++left; } while (__builtin_popcount(left) > 1); return n; } template <typename G> int find_left(int right, G g) { if (right <= 0) return -1; Monoid val = T::id(); right += p2; do { --right; while (right > 1 && (right & 1)) right >>= 1; Monoid nx = T::merge(dat[right], val); if (!g(nx)) { while (right < p2) { right = (right << 1) + 1; nx = T::merge(dat[right], val); if (g(nx)) { val = nx; --right; } } return right - p2; } val = nx; } while (__builtin_popcount(right) > 1); return -1; } private: int n, p2 = 1; std::vector<Monoid> dat; }; namespace monoid { template <typename T> struct RangeMinimumQuery { using Monoid = T; static constexpr Monoid id() { return std::numeric_limits<Monoid>::max(); } static Monoid merge(const Monoid &a, const Monoid &b) { return std::min(a, b); } }; template <typename T> struct RangeMaximumQuery { using Monoid = T; static constexpr Monoid id() { return std::numeric_limits<Monoid>::lowest(); } static Monoid merge(const Monoid &a, const Monoid &b) { return std::max(a, b); } }; template <typename T> struct RangeSumQuery { using Monoid = T; static constexpr Monoid id() { return 0; } static Monoid merge(const Monoid &a, const Monoid &b) { return a + b; } }; } // monoid int main() { int n; cin >> n; vector<int> a(n + 1, 0), b(n + 1, 0), v(n + 1, 0); REP(i, n) { int t, x; cin >> t >> x >> v[i]; a[i] = t + x; b[i] = t - x; } vector<int> ys = b; sort(ALL(ys)); ys.erase(unique(ALL(ys)), ys.end()); REP(i, n + 1) b[i] = lower_bound(ALL(ys), b[i]) - ys.begin(); vector<int> ord(n + 1); iota(ALL(ord), 0); sort(ALL(ord), [&](int l, int r) -> bool { return a[l] != a[r] ? a[l] < a[r] : b[l] < b[r]; }); SegmentTree<monoid::RangeMaximumQuery<ll>> seg(ys.size()); for (int i : ord) { if (i == n) { seg.set(b[i], 0); } else { seg.set(b[i], seg.get(0, b[i] + 1) + v[i]); } } cout << seg.get(0, ys.size()) << '\n'; }