結果

問題 No.1496 不思議な数え上げ
ユーザー 👑 emthrmemthrm
提出日時 2021-04-30 22:59:53
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 364 ms / 3,000 ms
コード長 4,554 bytes
コンパイル時間 2,149 ms
コンパイル使用メモリ 212,912 KB
実行使用メモリ 19,072 KB
最終ジャッジ日時 2024-07-19 02:47:04
合計ジャッジ時間 15,318 ms
ジャッジサーバーID
(参考情報)
judge1 / judge3
このコードへのチャレンジ
(要ログイン)

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 2 ms
5,376 KB
testcase_02 AC 1 ms
5,376 KB
testcase_03 AC 294 ms
18,944 KB
testcase_04 AC 293 ms
18,908 KB
testcase_05 AC 311 ms
18,944 KB
testcase_06 AC 203 ms
18,944 KB
testcase_07 AC 199 ms
19,072 KB
testcase_08 AC 201 ms
19,072 KB
testcase_09 AC 203 ms
18,944 KB
testcase_10 AC 203 ms
18,944 KB
testcase_11 AC 210 ms
19,072 KB
testcase_12 AC 304 ms
19,072 KB
testcase_13 AC 212 ms
18,944 KB
testcase_14 AC 198 ms
18,944 KB
testcase_15 AC 209 ms
19,072 KB
testcase_16 AC 212 ms
18,944 KB
testcase_17 AC 364 ms
18,944 KB
testcase_18 AC 359 ms
18,944 KB
testcase_19 AC 360 ms
19,072 KB
testcase_20 AC 350 ms
18,944 KB
testcase_21 AC 346 ms
18,944 KB
testcase_22 AC 349 ms
18,944 KB
testcase_23 AC 337 ms
18,944 KB
testcase_24 AC 363 ms
18,944 KB
testcase_25 AC 301 ms
19,072 KB
testcase_26 AC 301 ms
18,944 KB
testcase_27 AC 250 ms
18,944 KB
testcase_28 AC 250 ms
19,072 KB
testcase_29 AC 253 ms
19,072 KB
testcase_30 AC 255 ms
18,944 KB
testcase_31 AC 263 ms
18,944 KB
testcase_32 AC 300 ms
17,536 KB
testcase_33 AC 151 ms
11,136 KB
testcase_34 AC 138 ms
10,496 KB
testcase_35 AC 3 ms
5,376 KB
testcase_36 AC 310 ms
17,664 KB
testcase_37 AC 166 ms
11,264 KB
testcase_38 AC 147 ms
10,880 KB
testcase_39 AC 213 ms
15,232 KB
testcase_40 AC 114 ms
9,856 KB
testcase_41 AC 224 ms
15,360 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#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<ll> p(n);
  REP(i, n) cin >> p[i];
  SegmentTree<monoid::RangeSumQuery<ll>> seg(p);
  vector<int> pos(n);
  REP(i, n) pos[p[i] - 1] = i;
  set<int> bye{-1, n};
  REP(i, n) {
    ll a; cin >> a;
    ll ans = 0;
    int l = *prev(bye.lower_bound(pos[i])), r = *bye.upper_bound(pos[i]);
    if (pos[i] - l < r - pos[i]) {
      for (int j = pos[i]; j > l; --j) {
        int q = seg.find_right(j, [&](ll x) -> bool { return x <= a; });
        if (q <= pos[i]) break;
        ans += min(q, r) - pos[i];
      }
    } else {
      FOR(j, pos[i], r) {
        int q = seg.find_left(j + 1, [&](ll x) -> bool { return x <= a; });
        if (q >= pos[i]) break;
        ans += pos[i] - max(q, l);
      }
    }
    cout << ans << '\n';
    bye.emplace(pos[i]);
  }
  return 0;
}
0