結果

問題 No.1000 Point Add and Array Add
ユーザー rsk0315rsk0315
提出日時 2020-02-28 22:59:35
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
CE  
(最新)
AC  
(最初)
実行時間 -
コード長 3,429 bytes
コンパイル時間 272 ms
コンパイル使用メモリ 44,604 KB
最終ジャッジ日時 2024-10-13 18:52:56
合計ジャッジ時間 1,471 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge3
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コンパイルメッセージ
main.cpp:11:21: error: 'size_t' does not name a type
   11 |   using size_type = size_t;
      |                     ^~~~~~
main.cpp:4:1: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
    3 | #include <utility>
  +++ |+#include <cstddef>
    4 | 
main.cpp:20:3: error: 'size_type' does not name a type
   20 |   size_type M_base_size;
      |   ^~~~~~~~~
main.cpp:30:30: error: expected ')' before 'n'
   30 |   dual_segment_tree(size_type n):
      |                    ~         ^~
      |                              )
main.cpp:37:30: error: expected ')' before 'n'
   37 |   dual_segment_tree(size_type n, first_type const& x):
      |                    ~         ^~
      |                              )
main.cpp:60:15: error: 'size_type' has not been declared
   60 |   void modify(size_type l, size_type r, second_type const& x) {
      |               ^~~~~~~~~
main.cpp:60:28: error: 'size_type' has not been declared
   60 |   void modify(size_type l, size_type r, second_type const& x) {
      |                            ^~~~~~~~~
main.cpp:71:18: error: 'size_type' has not been declared
   71 |   value_type get(size_type i) const {
      |                  ^~~~~~~~~
main.cpp: In constructor 'dual_segment_tree<Monoid, Container>::dual_segment_tree(InputIt, InputIt)':
main.cpp:48:5: error: class 'dual_segment_tree<Monoid, Container>' does not have any field named 'M_base_size'
   48 |     M_base_size(std::distance(first, last)),
      |     ^~~~~~~~~~~
main.cpp:51:9: error: 'M_base_size' was not declared in this scope
   51 |     M_c(M_base_size*2)
      |         ^~~~~~~~~~~
main.cpp:53:10: error: 'size_type' was not declared in this scope
   53 |     for (size_type i = M_base_size; first != last; ++i)
      |          ^~~~~~~~~
main.cpp:53:54: error: 'i' was not declared in this scope
   53 |     for (size_type i = M_base_size; first != last; ++i)
      |                                                      ^
main.cpp: In m

ソースコード

diff # 

#include <climits>
#include <vector>
#include <utility>

template <
  typename Monoid,
  typename Container = std::vector<typename Monoid::first_type>
>
class dual_segment_tree {
public:
  using size_type = size_t;
  using first_type = typename Monoid::first_type;
  using second_type = typename Monoid::second_type;
  using value_type = first_type;
  using binary_operation = typename Monoid::binary_operation;
  using external_binary_operation = typename Monoid::external_binary_operation;
  using container = Container;

private:
  size_type M_base_size;
  binary_operation M_op1;
  external_binary_operation M_op2;
  container M_c;

public:
  dual_segment_tree() = default;
  dual_segment_tree(dual_segment_tree const&) = default;
  dual_segment_tree(dual_segment_tree&&) = default;

  dual_segment_tree(size_type n):
    M_base_size(n),
    M_op1(binary_operation()),
    M_op2(external_binary_operation()),
    M_c(n+n, M_op1.identity)
  {}

  dual_segment_tree(size_type n, first_type const& x):
    M_base_size(n),
    M_op1(binary_operation()),
    M_op2(external_binary_operation()),
    M_c(n+n, M_op1.identity)
  {
    modify(0, n, x);
  }

  template <typename InputIt>
  dual_segment_tree(InputIt first, InputIt last):
    M_base_size(std::distance(first, last)),
    M_op1(binary_operation()),
    M_op2(external_binary_operation()),
    M_c(M_base_size*2)
  {
    for (size_type i = M_base_size; first != last; ++i)
      M_c[i] = *first++;
  }

  dual_segment_tree& operator =(dual_segment_tree const&) = default;
  dual_segment_tree& operator =(dual_segment_tree&&) = default;

  void modify(size_type l, size_type r, second_type const& x) {
    l += M_base_size;
    r += M_base_size;
    while (l < r) {
      if (l & 1) M_c[l] = M_op2(std::move(M_c[l]), x), ++l;
      if (r & 1) --r, M_c[r] = M_op2(std::move(M_c[r]), x);
      l >>= 1;
      r >>= 1;
    }
  }

  value_type get(size_type i) const {
    i += M_base_size;
    value_type res = M_c[i];
    while (i > 1) {
      i >>= 1;
      res = M_op1(std::move(res), M_c[i]);
    }
    return res;
  }
};

template <typename Tp>
struct single_get_range_add {
  using first_type = Tp;
  using second_type = Tp;
  struct binary_operation {
    first_type identity{};
    first_type operator ()(first_type const& x, first_type const& y) const {
      return x + y;
    }
  };
  struct external_binary_operation {
    first_type operator ()(first_type const& x, second_type const& y) const {
      return x + y;
    }
  };
};

#include <cstdio>
#include <cstdint>
#include <algorithm>
#include <utility>
#include <vector>

int main() {
  size_t n, q;
  scanf("%zu %zu", &n, &q);

  std::vector<intmax_t> a(n);
  for (auto& ai: a) scanf("%jd", &ai);

  dual_segment_tree<single_get_range_add<intmax_t>> sg(n);
  std::vector<intmax_t> b(n);
  for (size_t i = 0; i < q; ++i) {
    char c;
    scanf(" %c", &c);

    switch (c) {
    case 'A':
      {
        size_t x;
        intmax_t y;
        scanf("%zu %jd", &x, &y);
        --x;
        b[x] += sg.get(x) * a[x];
        sg.modify(x, x+1, -sg.get(x));
        a[x] += y;
        break;
      }
    case 'B':
      {
        size_t x, y;
        scanf("%zu %zu", &x, &y);
        --x, --y;
        sg.modify(x, y+1, 1);
        break;
      }
    }
  }

  for (size_t i = 0; i < n; ++i) {
    b[i] += sg.get(i) * a[i];
  }

  for (size_t i = 0; i < n; ++i)
    printf("%jd%c", b[i], i+1<n? ' ': '\n');
}
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