結果

問題 No.2338 Range AtCoder Query
ユーザー 👑 nullnull
提出日時 2023-06-02 23:56:28
言語 C++23
(gcc 12.3.0 + boost 1.83.0)
結果
TLE  
実行時間 -
コード長 8,540 bytes
コンパイル時間 15,743 ms
コンパイル使用メモリ 608,500 KB
実行使用メモリ 4,356 KB
最終ジャッジ日時 2023-08-28 06:40:41
合計ジャッジ時間 23,810 ms
ジャッジサーバーID
(参考情報)
judge13 / judge11
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 AC 2 ms
4,352 KB
testcase_01 AC 1 ms
4,352 KB
testcase_02 AC 2 ms
4,356 KB
testcase_03 AC 1 ms
4,352 KB
testcase_04 AC 1 ms
4,352 KB
testcase_05 AC 1 ms
4,352 KB
testcase_06 AC 5 ms
4,352 KB
testcase_07 AC 5 ms
4,352 KB
testcase_08 AC 4 ms
4,352 KB
testcase_09 AC 5 ms
4,352 KB
testcase_10 AC 5 ms
4,352 KB
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 -- -
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ソースコード

diff #

/*
このコード、と~おれ!
Be accepted!
∧_∧ 
(。・ω・。)つ━☆・*。
⊂   ノ    ・゜+.
 しーJ   °。+ *´¨)
          .· ´¸.·*´¨) ¸.·*¨)
		            (¸.·´ (¸.·'* ☆
*/

#include <cstdio>
#include <algorithm>
#include <string>
#include <cmath>
#include <cstring>
#include <vector>
#include <numeric>
#include <iostream>
#include <random>
#include <map>
#include <unordered_map>
#include <queue>
#include <regex>
#include <functional>
#include <complex>
#include <list>
#include <cassert>
#include <iomanip>
#include <set>
#include <stack>
#include <bitset>
#include <array>
#include <chrono>
#include <limits>

//#pragma GCC target("arch=skylake-avx512")
#pragma GCC target("avx2")
//#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
//#pragma GCC target("sse4")
#pragma GCC optimize("unroll-loops")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define repeat(i, n, m) for(int i = n; i < (m); ++i)
#define rep(i, n) for(int i = 0; i < (n); ++i)
#define printynl(a) printf(a ? "yes\n" : "no\n")
#define printyn(a) printf(a ? "Yes\n" : "No\n")
#define printYN(a) printf(a ? "YES\n" : "NO\n")
#define printim(a) printf(a ? "possible\n" : "imposible\n")
#define printdb(a) printf("%.50lf\n", a)
#define printLdb(a) printf("%.50Lf\n", a)
#define printdbd(a) printf("%.16lf\n", a)
#define prints(s) printf("%s\n", s.c_str())
#define all(x) (x).begin(), (x).end()
#define deg_to_rad(deg) (((deg)/360.0L)*2.0L*PI)
#define rad_to_deg(rad) (((rad)/2.0L/PI)*360.0L)
#define Please return
#define AC 0
#define manhattan_dist(a, b, c, d) (abs(a - c) + abs(b - d))

using ll = long long;
using ull = unsigned long long;

constexpr int INF = 1073741823;
constexpr int MINF = -1073741823;
constexpr ll LINF = ll(4661686018427387903);
constexpr ll MOD = 1e9 + 7;
constexpr ll mod = 998244353;
constexpr long double eps = 1e-14;
const long double PI = acosl(-1.0L);

using namespace std;

void scans(string& str) {
	char c;
	str = "";
	scanf("%c", &c);
	if (c == '\n')scanf("%c", &c);
	while (c != '\n' && c != -1 && c != ' ') {
		str += c;
		scanf("%c", &c);
	}
}

void scanc(char& str) {
	char c;
	scanf("%c", &c);
	if (c == -1)return;
	while (c == '\n') {
		scanf("%c", &c);
	}
	str = c;
}

double acot(double x) {
	return PI / 2 - atan(x);
}

ll LSB(ll n) { return (n & (-n)); }

template<typename T>
inline T chmin(T& a, const T& b) {
	if (a > b)a = b;
	return a;
}

template<typename T>
inline T chmax(T& a, const T& b) {
	if (a < b)a = b;
	return a;
}


//cpp_int
#if __has_include(<boost/multiprecision/cpp_int.hpp>)
#include <boost/multiprecision/cpp_int.hpp>
#include <boost/multiprecision/cpp_dec_float.hpp>
using namespace boost::multiprecision;
#else
using cpp_int = ll;
#endif

//atcoder library
#if __has_include(<atcoder/all>)
#include <atcoder/all>
//using namespace atcoder;
#endif

/*
	random_device seed_gen;
	mt19937 engine(seed_gen());
	uniform_int_distribution dist(1, 100);
*/


/*----------------------------------------------------------------------------------*/

/*
* @title Mo's Algorithm
* @docs kyopro/docs/mo.md
*/

template<typename ADD_LEFT, typename DEL_LEFT, typename REM, typename ADD_RIGHT = ADD_LEFT, typename DEL_RIGHT = DEL_LEFT, typename T = int>
struct mo {
	int sqn, q, l, r, p;
	T ret;
	vector<tuple<int, int, int>> query;
	vector<T> ans;

	mo(const int& n, const int& q) : sqn((int)std::sqrt(n)), q(q), l(0), r(0), p(0), ret(T({ 0, 0 })), query(q), ans(q) {}

	inline void insert(const int& l, const int& r) {
		query[p] = { l, r, p };
		++p;
	}

	inline void read(const bool& oneindexed) {
		for (auto& [left, right, idx] : query) {
			scanf("%d%d", &left, &right);
			if (oneindexed)--left;
			idx = p++;
		}
	}

	void build() {
		sort(all(query), [&](const tuple<int, int, int>& a, const tuple<int, int, int>& b) {
			if (get<0>(a) / sqn != get<0>(b) / sqn)return get<0>(a) < get<0>(b);
			return get<1>(a) < get<1>(b);
			});
	}

	void run(const ADD_LEFT& add_left, const ADD_RIGHT& add_right, const DEL_LEFT& del_left, const DEL_RIGHT& del_right, const REM& rem) {
		for (const auto& [ql, qr, qo] : query) {
			while (l > ql)add_left(--l, ret);
			while (r < qr)add_right(r++, ret);
			while (l < ql)del_left(l++, ret);
			while (r > qr)del_right(--r, ret);
			rem(qo, ans, ret);
		}
	}

	void run(const ADD_LEFT& add, const DEL_LEFT& del, const REM& rem) {
		run(add, add, del, del, rem);
	}

	T operator [](const int& idx) {
		return ans[idx];
	}

	void allrun(const bool& oneindexed, const ADD_LEFT& add_left, const ADD_RIGHT& add_right, const DEL_LEFT& del_left, const DEL_RIGHT& del_right, const REM& rem) {
		read(oneindexed);
		build();
		run(add_left, add_right, del_left, del_right, rem);
	}

	void allrun(const bool& oneindexed, const ADD_LEFT& add, const DEL_LEFT& del, const REM& rem) {
		allrun(oneindexed, add, add, del, del, rem, rem);
	}

};

struct Node {
	Node* left, * right;
	ll v;

	Node() : left(nullptr), right(nullptr), v(0) {}
};

// Dynamic Segment Tree
class SegmentTree {
	Node* root;
	int n, n0;

	int query(int a, int b, Node* n, int l, int r) {
		if (a <= l && r <= b) {
			return n->v;
		}
		if (r <= a || b <= l) {
			return 0;
		}

		int lv = n->left ? query(a, b, n->left, l, (l + r) >> 1) : 0;
		int rv = n->right ? query(a, b, n->right, (l + r) >> 1, r) : 0;
		return (lv + rv) % MOD;
	}

public:
	SegmentTree(int n) : n(n) {
		n0 = 1;
		while (n0 < n) n0 <<= 1;
		root = new Node();
	}
	~SegmentTree() {
		delete root; root = nullptr;
	}

	void update(int k, ll x) {
		Node* n = root;
		int l = 0, r = n0;
		n->v = (n->v + x);
		while (r - l > 1) {
			int m = (l + r) >> 1;
			if (k < m) {
				if (!n->left) n->left = new Node();
				n = n->left;

				r = m;
			}
			else {
				if (!n->right) n->right = new Node();
				n = n->right;

				l = m;
			}
			n->v = (n->v + x);
		}
	}

	int query(int a, int b) {
		return query(a, b, root, 0, n0);
	}

	int lquery(int b) {
		return query(0, b, root, 0, n0);
	}

	int rquery(int a) {
		return query(a, n0, root, 0, n0);
	}
};
//from: https://tjkendev.github.io/procon-library/cpp/range_query/dynamic_segment_tree.html

int main() {

	int n, m, q;
	scanf("%d%d%d", &n, &m, &q);
	vector<pair<int, string>> a(n);
	SegmentTree *seg[200000];
	rep(i, m)seg[i] = new SegmentTree(n);
	rep(i, n) {
		scanf("%d%*c", &a[i].first);
		--a[i].first;
		scans(a[i].second);
		if (a[i].second == "WA")
			seg[a[i].first]->update(i, 1);
	}
	vector<int> wa(m);
	vector<set<int>> ac(m);
    int right = 0, left = 0;
	auto add_l = [&](const int& idx, pair<int, int>& ret) {
		if (a[idx].second == "AC") {
			if (ac[a[idx].first].empty())++ret.first;
			ac[a[idx].first].insert(idx);
			ret.second -= wa[a[idx].first];
			wa[a[idx].first] = 0;
		}
		else {
			if (not ac[a[idx].first].empty()) {
				++wa[a[idx].first];
				++ret.second;
			}
		}
		left = idx;
	};
	auto add_r = [&](const int& idx, pair<int, int>& ret) {
		if (a[idx].second == "AC") {
			if (ac[a[idx].first].empty()) {
				++ret.first;
				ret.second += seg[a[idx].first]->query(left, idx);
				wa[a[idx].first] += seg[a[idx].first]->query(left, idx);
			}
			ac[a[idx].first].insert(idx);
		}
        right = idx + 1;
	};
	auto del_l = [&](const int& idx, pair<int, int>& ret) {
		if (a[idx].second == "AC") {
			ac[a[idx].first].erase(idx);
			if (ac[a[idx].first].empty()) {
				--ret.first;
				ret.second -= wa[a[idx].first];
				wa[a[idx].first] = 0;
			}
			else {
				wa[a[idx].first] += seg[a[idx].first]->query(idx,
					ac[a[idx].first].empty() ? right : *ac[a[idx].first].begin());
				ret.second +=
					seg[a[idx].first]->query(idx,
						ac[a[idx].first].empty() ? right : *ac[a[idx].first].begin());
			}
		}
		else {
			if (not ac[a[idx].first].empty()) {
				--wa[a[idx].first];
				--ret.second;
			}
		}
		left = idx + 1;
	};
	auto del_r = [&](const int& idx, pair<int, int>& ret) {
        if (a[idx].second == "AC") {
            ac[a[idx].first].erase(idx);
			if (ac[a[idx].first].empty()) {
				--ret.first;
				ret.second -= wa[a[idx].first];
				wa[a[idx].first] = 0;
			}
        }
        right = idx;
	};
    vector<pair<int, int>> ans(q);
    auto rem = [](const int& idx, vector<pair<int, int>>& ans, const pair<int, int>& ret) {
		ans[idx] = ret;
	};
    mo<decltype(add_l), decltype(del_l), decltype(rem), decltype(add_r), decltype(del_r), pair<int, int>> mo(n, q);
    mo.allrun(true, add_l, add_r, del_l, del_r, rem);
    rep(i, q)printf("%d %d\n", mo[i].first, mo[i].second);

	Please AC;
}
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