結果
| 問題 |
No.2338 Range AtCoder Query
|
| コンテスト | |
| ユーザー |
👑 null
|
| 提出日時 | 2023-06-02 23:56:28 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 8,540 bytes |
| コンパイル時間 | 9,581 ms |
| コンパイル使用メモリ | 542,024 KB |
| 実行使用メモリ | 153,504 KB |
| 最終ジャッジ日時 | 2024-12-29 00:44:04 |
| 合計ジャッジ時間 | 105,028 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 17 TLE * 17 |
ソースコード
/*
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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