#722973 (C++17) No.1788 Same Set

提出ソース

結果

問題	No.1788 Same Set
ユーザー	pazzle1230
提出日時	2021-12-08 19:10:18
言語	C++17 (gcc 12.3.0 + boost 1.83.0)
結果	RE
実行時間	-
コード長	8,061 bytes
コンパイル時間	8,395 ms
コンパイル使用メモリ	332,988 KB
実行使用メモリ	18,176 KB
最終ジャッジ日時	2024-09-13 23:24:02
合計ジャッジ時間	17,925 ms
ジャッジサーバーID （参考情報）	judge4 / judge5

このコードへのチャレンジ
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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	RE	-
testcase_01	RE	-
testcase_02	RE	-
testcase_03	RE	-
testcase_04	RE	-
testcase_05	RE	-
testcase_06	RE	-
testcase_07	RE	-
testcase_08	RE	-
testcase_09	RE	-
testcase_10	RE	-
testcase_11	TLE	-
testcase_12	--	-
testcase_13	--	-
testcase_14	--	-
testcase_15	--	-
testcase_16	--	-
testcase_17	--	-
testcase_18	--	-
testcase_19	--	-
testcase_20	--	-
testcase_21	--	-
testcase_22	--	-
testcase_23	--	-
testcase_24	--	-
testcase_25	--	-
testcase_26	--	-
testcase_27	--	-
testcase_28	--	-
testcase_29	--	-
testcase_30	--	-
testcase_31	--	-
testcase_32	--	-
testcase_33	--	-
testcase_34	--	-
testcase_35	--	-
testcase_36	--	-
testcase_37	--	-
testcase_38	--	-

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ソースコード

raw source code

#include <bits/stdc++.h>
using namespace std;
#include "testlib.h"

#define INF_LL (int64)1e18
#define INF (int32)1e9
#define REP(i, n) for(int64 i = 0;i < (n);i++)
#define FOR(i, a, b) for(int64 i = (a);i < (b);i++)
#define all(x) x.begin(),x.end()
#define fs first
#define sc second

using int32 = int_fast32_t;
using uint32 = uint_fast32_t;
using int64 = int_fast64_t;
using uint64 = uint_fast64_t;
using PII = pair<int32, int32>;
using PLL = pair<int64, int64>;

const double eps = 1e-10;

template<typename A, typename B>inline void chmin(A &a, B b){if(a > b) a = b;}
template<typename A, typename B>inline void chmax(A &a, B b){if(a < b) a = b;}

template<typename T>
vector<T> make_v(size_t a){return vector<T>(a);}

template<typename T,typename... Ts>
auto make_v(size_t a,Ts... ts){
	return vector<decltype(make_v<T>(ts...))>(a,make_v<T>(ts...));
}

template<typename T,typename U,typename... V>
typename enable_if<is_same<T, U>::value!=0>::type
fill_v(U &u,const V... v){u=U(v...);}

template<typename T,typename U,typename... V>
typename enable_if<is_same<T, U>::value==0>::type
fill_v(U &u,const V... v){
	for(auto &e:u) fill_v<T>(e,v...);
}

template <typename F>
class
#if defined(__has_cpp_attribute) && __has_cpp_attribute(nodiscard)
  [[nodiscard]]
#endif  // defined(__has_cpp_attribute) && __has_cpp_attribute(nodiscard)
FixPoint final : private F
{
public:
  template <typename G>
  explicit constexpr FixPoint(G&& g) noexcept
    : F{std::forward<G>(g)}
  {}

  template <typename... Args>
  constexpr decltype(auto)
  operator()(Args&&... args) const
#if !defined(__GNUC__) || defined(__clang__) || __GNUC__ >= 9
  noexcept(noexcept(F::operator()(std::declval<FixPoint>(), std::declval<Args>()...)))
#endif  // !defined(__GNUC__) || defined(__clang__) || __GNUC__ >= 9
  {
    return F::operator()(*this, std::forward<Args>(args)...);
  }
};  // class FixPoint


#if defined(__cpp_deduction_guides)
template <typename F>
FixPoint(F&&)
  -> FixPoint<std::decay_t<F>>;
#endif  // defined(__cpp_deduction_guides)


namespace
{
  template <typename F>
#if !defined(__has_cpp_attribute) || !__has_cpp_attribute(nodiscard)
  #  if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 4)
__attribute__((warn_unused_result))
#  elif defined(_MSC_VER) && _MSC_VER >= 1700 && defined(_Check_return_)
_Check_return_
#  endif  // defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 4)
#endif  // !defined(__has_cpp_attribute) || !__has_cpp_attribute(nodiscard)
  inline constexpr decltype(auto)
  makeFixPoint(F&& f) noexcept
  {
    return FixPoint<std::decay_t<F>>{std::forward<std::decay_t<F>>(f)};
  }
}  // namespace

template<class ValueMonoid, class OperatorMonoid, class Modifier,
	template<class...> class Container=::std::vector>
class LazySegTree{
public:
	using value_structure = ValueMonoid;
	using value_type = typename value_structure::value_type;
	using operator_structure = OperatorMonoid;
	using operator_type = typename operator_structure::value_type;
	using modifier = Modifier;
	using const_reference = const value_type &;
	using container_value_type = Container<value_type>;
	using container_operator_type = Container<operator_type>;
	using size_type = typename container_value_type::size_type;

private:
	container_value_type tree;
	container_operator_type lazy;
	size_type size_, height;

	static size_type getsize(const size_type x){
		size_type ret = 1;
		while(ret < x)
			ret <<= 1;
		return ret;
	}

	static size_type getheight(const size_type x){
		size_type ret = 0;
		while((static_cast<size_type>(1) << ret) < x){
			ret++;
		}
		return ret;
	}

	inline static value_type calc(const value_type a, const value_type b){
		return value_structure::operation(a, b);
	}

	inline static void apply(operator_type &data, const operator_type a){
		data = operator_structure::operation(data, a);
	}

	inline static value_type reflect(const value_type v, const operator_type o){
		return modifier::operation(v, o);
	}

	void push(const size_type index){
		tree[index] = reflect(tree[index], lazy[index]);
		apply(lazy[index << 1], lazy[index]);
		apply(lazy[index << 1 | 1], lazy[index]);
		lazy[index] = operator_structure::identity();
	}

	void calc_node(const size_type index){
		if(tree.size() <= (index << 1 | 1)) return;
		assert(0 < index);
		tree[index] = calc(reflect(tree[index << 1],  lazy[index << 1]),
				reflect(tree[index << 1 | 1], lazy[index << 1 | 1]));
	}

	void build(size_type index){
		while(index >>= 1){
			calc_node(index);
		}
	}

	void propagate(const size_type index){
		for(size_type shift = height; shift ; --shift){
			push(index >> shift);
		}
	}

	void rebuild(){
		for(size_type i = size_-1;i > 0;--i){
			calc_node(i);
		}
	}
public:
	LazySegTree() : size_(0), height(0), tree(), lazy(){}
	LazySegTree(const size_type size)
			: size_(size), height(getheight(size)),
				tree(size << 1, value_structure::initializer()),
				lazy(size << 1, operator_structure::identity()){
		rebuild();
	}
	template<class InputIterator>
	LazySegTree(InputIterator first, InputIterator last)
			: size_(::std::distance(first, last)){
		height = getheight(size_);
		tree = container_value_type(size_, value_structure::identity());
		lazy = container_operator_type(size_ << 1, operator_structure::identity());
		tree.insert(tree.end(), first, last);
		rebuild();
	}

	size_type size() const { return size_; }
	const_reference operator[](const size_type k){
		assert(k < size_);
		propagate(k+size_);
		tree[k+size_] = reflect(tree[k+size_], lazy[k+size_]);
		lazy[k+size_] = operator_structure::identity();
		return tree[k+size_];
	}

	value_type query(size_type l, size_type r){
		assert(l <= r);
		assert(0 <= l && l < size_);
		assert(0 <= r && r <= size_);
		value_type retl = value_structure::identity(),
							 retr = value_structure::identity();
		l += size_;
		r += size_;
		propagate(l);
		propagate(r-1);
		build(l);
		build(r-1);
		for(; l < r ; l >>= 1, r >>= 1){
			if(l&1){
				retl = calc(retl, reflect(tree[l], lazy[l]));
				l++;
			}
			if(r&1){
				r--;
				retr = calc(reflect(tree[r], lazy[r]), retr);
			}
		}
		return calc(retl, retr);
	}

	void update(size_type l, size_type r, const operator_type& data){
		assert(l <= r);
		assert(0 <= l && l < size_);
		assert(0 <= r && r <= size_);
		l += size_;
		r += size_;
		propagate(l);
		propagate(r - 1);
		for(size_type l_ = l, r_ = r; l_ < r_ ; l_ >>= 1, r_ >>= 1){
			if(l_ & 1) apply(lazy[l_++], data);
			if(r_ & 1) apply(lazy[--r_], data);
		}
		build(l);
		build(r - 1);
	}

	template<class F>
	void update(size_type index, const F& f){
		assert(0 <= index && index < size());
		index += size_;
		propagate(index);
		tree[index] = f(::std::move(tree[index]));
		lazy[index] = operator_structure::identity();
		build(index);
	}

	/*
	template<class F>
	size_type search(const F& f) const { // [0, result) is True and [0, result-1) is not.
		if(f(value_structure::identity()))
			return 0;
		if(!f(tree[1]))
			return size_+1;
		value_type acc = value_structure::identity();
		size_type i = 1;
		while(i <
	}
	*/
};

int main(void){
	cin.tie(0);
	ios::sync_with_stdio(false);

  int N;
  cin >> N;
  assert(1 <= N && N <= 200000);
  vector<int64> A(N), B(N);
  REP(i, N) {
    cin >> A[i];
    assert(1 <= A[i] && A[i] <= 400000);
  }
  REP(i, N) {
    cin >> B[i];
    assert(1 <= B[i] && B[i] <= 400000);
  }

  int64 res = 0;
  REP(l, N) {
    vector<int64> cntA(400001, 0);
    vector<int64> cntB(400001, 0);

    int cnt_out = 0;
    FOR(r, l, N) {
      if (cntA[A[r]] + cntB[A[r]] != 0 && cntA[A[r]] * cntB[A[r]] == 0) cnt_out--;
      if (A[r] != B[r] && cntA[B[r]] + cntB[B[r]] != 0 && cntA[B[r]] * cntB[B[r]] == 0) cnt_out--;

      cntA[A[r]]++;
      cntB[B[r]]++;

      if (cntA[A[r]] + cntB[A[r]] != 0 && cntA[A[r]] * cntB[A[r]] == 0) cnt_out++;
      if (A[r] != B[r] && cntA[B[r]] + cntB[B[r]] != 0 && cntA[B[r]] * cntB[B[r]] == 0) cnt_out++;

      if (cnt_out == 0) {
        res++;
      }
//      cout << cnt_out << " ";
    }
//    cout << endl;
  }
  cout << res << endl;
}

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結果

テストケース

ソースコード