#435913 (C++17) No.1000 Point Add and Array Add

• 問題: No.1000 Point Add and Array Add
• ユーザー: noshi91
• 提出日時: 2020-02-28 21:40:38
• 言語: C++17 (gcc 13.2.0 + boost 1.83.0)
• 結果: AC
• 実行時間: 225 ms / 2,000 ms
• コード長: 4,895 bytes
• コンパイル時間: 789 ms
• コンパイル使用メモリ: 83,684 KB
• 実行使用メモリ: 12,672 KB
• 最終ジャッジ日時: 2024-04-21 18:09:09
• 合計ジャッジ時間: 4,254 ms
• ジャッジサーバーID （参考情報）: judge5 / judge3

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	2 ms; 5,376 KB
testcase_04	AC	2 ms; 5,376 KB
testcase_05	AC	1 ms; 5,376 KB
testcase_06	AC	1 ms; 5,376 KB
testcase_07	AC	2 ms; 5,376 KB
testcase_08	AC	2 ms; 5,376 KB
testcase_09	AC	2 ms; 5,376 KB
testcase_10	AC	2 ms; 5,376 KB
testcase_11	AC	2 ms; 5,376 KB
testcase_12	AC	3 ms; 5,376 KB
testcase_13	AC	3 ms; 5,376 KB
testcase_14	AC	5 ms; 5,376 KB
testcase_15	AC	3 ms; 5,376 KB
testcase_16	AC	164 ms; 10,368 KB
testcase_17	AC	138 ms; 8,940 KB
testcase_18	AC	218 ms; 12,544 KB
testcase_19	AC	225 ms; 12,544 KB
testcase_20	AC	214 ms; 12,544 KB
testcase_21	AC	223 ms; 12,672 KB
testcase_22	AC	221 ms; 12,544 KB
testcase_23	AC	224 ms; 12,544 KB

ソースコード

// 1 "temp0.cpp"
//#define NDEBUG
#include <algorithm>
#include <cstddef>
#include <cstdint>
#include <iostream>
#include <utility>
#include <vector>

namespace n91 {

  using i8 = std::int_fast8_t;
  using i32 = std::int_fast32_t;
  using i64 = std::int_fast64_t;
  using u8 = std::uint_fast8_t;
  using u32 = std::uint_fast32_t;
  using u64 = std::uint_fast64_t;
  using isize = std::ptrdiff_t;
  using usize = std::size_t;

  struct rep {
    struct itr {
      usize i;
      constexpr itr(const usize i) noexcept : i(i) {}
      void operator++() noexcept { ++i; }
      constexpr usize operator*() const noexcept { return i; }
      constexpr bool operator!=(const itr x) const noexcept { return i != x.i; }
    };
    const itr f, l;
    constexpr rep(const usize f, const usize l) noexcept
      : f(std::min(f, l)), l(l) {}
    constexpr auto begin() const noexcept { return f; }
    constexpr auto end() const noexcept { return l; }
  };
  struct revrep {
    struct itr {
      usize i;
      constexpr itr(const usize i) noexcept : i(i) {}
      void operator++() noexcept { --i; }
      constexpr usize operator*() const noexcept { return i; }
      constexpr bool operator!=(const itr x) const noexcept { return i != x.i; }
    };
    const itr f, l;
    constexpr revrep(const usize f, const usize l) noexcept
      : f(l - 1), l(std::min(f, l) - 1) {}
    constexpr auto begin() const noexcept { return f; }
    constexpr auto end() const noexcept { return l; }
  };
  template <class T> auto md_vec(const usize n, const T& value) {
    return std::vector<T>(n, value);
  }
  template <class... Args> auto md_vec(const usize n, Args... args) {
    return std::vector<decltype(md_vec(args...))>(n, md_vec(args...));
  }
  template <class T> constexpr T difference(const T& a, const T& b) noexcept {
    return a < b ? b - a : a - b;
  }
  template <class T> void chmin(T& a, const T& b) noexcept {
    if (b < a)
      a = b;
  }
  template <class T> void chmax(T& a, const T& b) noexcept {
    if (a < b)
      a = b;
  }
  template <class F> class rec_lambda {
    F f;

  public:
    rec_lambda(F&& f) : f(std::move(f)) {}
    template <class... Args> auto operator()(Args&&... args) const {
      return f(*this, std::forward<Args>(args)...);
    }
  };
  template <class F> auto make_rec(F&& f) { return rec_lambda<F>(std::move(f)); }
  template <class T> T scan() {
    T ret;
    std::cin >> ret;
    return ret;
  }

} // namespace n91
// 1 "/mnt/c/Users/noshi/Desktop/base_/Library/data_structure/fenwick_tree.cpp"
#include <cassert>
#include <cstddef>
#include <vector>

template <class M> class fenwick_tree {
  using size_t = std::size_t;

public:
  using T = typename M::value_type;

private:
  std::vector<T> tree;

public:
  fenwick_tree() = default;
  explicit fenwick_tree(const size_t size) : tree(size + 1, M::identity) {}

  bool empty() const { return size() == 0; }
  size_t size() const { return tree.size() - 1; }

  T fold_prefix(size_t last) const {
    assert(last <= size());
    T ret = M::identity;
    while (last != 0) {
      ret = M::operation(tree[last], ret);
      last &= last - 1;
    }
    return ret;
  }

  void add(size_t index, const T value) {
    assert(index < size());
    index += 1;
    while (index < tree.size()) {
      tree[index] = M::operation(tree[index], value);
      index += index & ~index + 1;
    }
  }
};

/**
 * @brief Fenwick Tree
 * @see https://scrapbox.io/data-structures/Fenwick_Tree
 */
 // 1 "/mnt/c/Users/noshi/Desktop/base_/Library/other/plus_group.cpp"
template <class T> class plus_group {
public:
  using value_type = T;
  static constexpr T operation(const T& l, const T& r) noexcept {
    return l + r;
  }
  static constexpr T identity = 0;
  static constexpr T inverse(const T& x) noexcept { return -x; }
};
// 84 "temp0.cpp"

namespace n91 {

  void main_() {
    /*
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    //*/
    const usize n = scan<usize>();
    const usize q = scan<usize>();
    struct q_type {
      char c;
      usize x;
      usize y;
    };
    fenwick_tree<plus_group<u64>> ft(n + 1);
    std::vector<u64> a(n);
    for (auto& e : a)
      std::cin >> e;
    std::vector<q_type> qs(q);
    for (auto& e : qs) {
      std::cin >> e.c >> e.x >> e.y;
    }
    std::reverse(qs.begin(), qs.end());
    std::vector<u64> ans(n, 0);
    for (auto& e : qs) {
      switch (e.c) {
      case 'A': {
        e.x -= 1;
        ans[e.x] += e.y * ft.fold_prefix(e.x + 1);
      } break;
      case 'B': {
        e.x -= 1;
        ft.add(e.x, 1);
        ft.add(e.y, -static_cast<u64>(1));
      } break;
      }
    }
    for (const usize i : rep(0, n)) {
      ans[i] += a[i] * ft.fold_prefix(i + 1);
    }
    for (const usize i : rep(0, n)) {
      std::cout << ans[i] << " \n"[i + 1 == n];
    }
  }

} // namespace n91

int main() {
  n91::main_();
  return 0;
}