結果
問題 | No.2292 Interval Union Find |
ユーザー | だれ |
提出日時 | 2023-05-05 22:54:14 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 222 ms / 5,000 ms |
コード長 | 7,330 bytes |
コンパイル時間 | 3,683 ms |
コンパイル使用メモリ | 197,448 KB |
実行使用メモリ | 12,928 KB |
最終ジャッジ日時 | 2024-11-23 10:54:38 |
合計ジャッジ時間 | 13,183 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 67 ms
5,248 KB |
testcase_05 | AC | 108 ms
5,248 KB |
testcase_06 | AC | 67 ms
5,248 KB |
testcase_07 | AC | 103 ms
5,248 KB |
testcase_08 | AC | 106 ms
5,248 KB |
testcase_09 | AC | 106 ms
5,248 KB |
testcase_10 | AC | 92 ms
5,248 KB |
testcase_11 | AC | 87 ms
5,248 KB |
testcase_12 | AC | 110 ms
5,248 KB |
testcase_13 | AC | 78 ms
5,248 KB |
testcase_14 | AC | 80 ms
5,248 KB |
testcase_15 | AC | 85 ms
5,248 KB |
testcase_16 | AC | 80 ms
5,248 KB |
testcase_17 | AC | 100 ms
5,248 KB |
testcase_18 | AC | 163 ms
12,928 KB |
testcase_19 | AC | 222 ms
12,928 KB |
testcase_20 | AC | 221 ms
12,928 KB |
testcase_21 | AC | 185 ms
8,832 KB |
testcase_22 | AC | 202 ms
8,960 KB |
testcase_23 | AC | 185 ms
8,832 KB |
testcase_24 | AC | 179 ms
9,088 KB |
testcase_25 | AC | 184 ms
8,960 KB |
testcase_26 | AC | 182 ms
8,832 KB |
testcase_27 | AC | 183 ms
8,832 KB |
testcase_28 | AC | 182 ms
8,960 KB |
testcase_29 | AC | 182 ms
9,088 KB |
testcase_30 | AC | 182 ms
8,832 KB |
testcase_31 | AC | 177 ms
8,960 KB |
testcase_32 | AC | 182 ms
8,960 KB |
testcase_33 | AC | 181 ms
8,832 KB |
testcase_34 | AC | 180 ms
8,832 KB |
testcase_35 | AC | 180 ms
8,832 KB |
testcase_36 | AC | 181 ms
8,960 KB |
testcase_37 | AC | 183 ms
8,832 KB |
testcase_38 | AC | 185 ms
8,960 KB |
testcase_39 | AC | 185 ms
8,832 KB |
testcase_40 | AC | 182 ms
8,960 KB |
testcase_41 | AC | 50 ms
5,248 KB |
testcase_42 | AC | 51 ms
5,248 KB |
testcase_43 | AC | 55 ms
5,248 KB |
testcase_44 | AC | 62 ms
5,248 KB |
testcase_45 | AC | 62 ms
5,248 KB |
testcase_46 | AC | 65 ms
5,248 KB |
testcase_47 | AC | 73 ms
5,248 KB |
ソースコード
#include <algorithm> #include <bitset> #include <cassert> #include <cmath> #include <cstdio> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <iterator> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include <stack> #include <unordered_set> using namespace std; #if __has_include(<atcoder/all>) #include <atcoder/all> #endif #define GET_MACRO(_1, _2, _3, NAME, ...) NAME #define _rep(i, n) _rep2(i, 0, n) #define _rep2(i, a, b) for (int i = (int)(a); i < (int)(b); i++) #define rep(...) GET_MACRO(__VA_ARGS__, _rep2, _rep)(__VA_ARGS__) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define UNIQUE(x) \ std::sort((x).begin(), (x).end()); \ (x).erase(std::unique((x).begin(), (x).end()), (x).end()) using i64 = long long; template <class T, class U> bool chmin(T& a, const U& b) { return (b < a) ? (a = b, true) : false; } template <class T, class U> bool chmax(T& a, const U& b) { return (b > a) ? (a = b, true) : false; } inline void YesNo(bool f = 0, string yes = "Yes", string no = "No") { std::cout << (f ? yes : no) << "\n"; } namespace io { template <typename T> istream& operator>>(istream& i, vector<T>& v) { rep(j, v.size()) i >> v[j]; return i; } template <typename T> string join(vector<T>& v) { stringstream s; rep(i, v.size()) s << ' ' << v[i]; return s.str().substr(1); } template <typename T> ostream& operator<<(ostream& o, vector<T>& v) { if (v.size()) o << join(v); return o; } template <typename T> string join(vector<vector<T>>& vv) { string s = "\n"; rep(i, vv.size()) s += join(vv[i]) + "\n"; return s; } template <typename T> ostream& operator<<(ostream& o, vector<vector<T>>& vv) { if (vv.size()) o << join(vv); return o; } template <class T, class U> istream& operator>>(istream& i, pair<T, U>& p) { i >> p.first >> p.second; return i; } template <class T, class U> ostream& operator<<(ostream& o, pair<T, U>& p) { o << p.first << " " << p.second; return o; } void print() { cout << "\n"; } template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) { cout << head; if (sizeof...(tail)) cout << ' '; print(std::forward<Tail>(tail)...); } void in() {} template <class Head, class... Tail> void in(Head&& head, Tail&&... tail) { cin >> head; in(std::forward<Tail>(tail)...); } } // namespace io using namespace io; namespace useful { long long modpow(long long a, long long b, long long mod) { long long res = 1; while (b) { if (b & 1) res *= a, res %= mod; a *= a; a %= mod; b >>= 1; } return res; } bool is_pow2(long long x) { return x > 0 && (x & (x - 1)) == 0; } template <class T> void rearrange(vector<T>& a, vector<int>& p) { vector<T> b = a; for (int i = 0; i < int(a.size()); i++) { a[i] = b[p[i]]; } return; } template <class T> vector<pair<int, int>> rle_sequence(T& a) { vector<pair<int, int>> res; int n = a.size(); if (n == 1) return vector<pair<int, int>>{{a[0], 1}}; int l = 1; rep(i, n - 1) { if (a[i] == a[i + 1]) l++; else { res.emplace_back(a[i], l); l = 1; } } res.emplace_back(a.back(), l); return res; } vector<pair<char, int>> rle_string(string a) { vector<pair<char, int>> res; int n = a.size(); if (n == 1) return vector<pair<char, int>>{{a[0], 1}}; int l = 1; rep(i, n - 1) { if (a[i] == a[i + 1]) l++; else { res.emplace_back(a[i], l); l = 1; } } res.emplace_back(a.back(), l); return res; } vector<int> linear_sieve(int n) { vector<int> primes; vector<int> res(n + 1); iota(all(res), 0); for (int i = 2; i <= n; i++) { if (res[i] == i) primes.emplace_back(i); for (auto j : primes) { if (j * i > n) break; res[j * i] = j; } } return res; // return primes; } template <class T> vector<long long> dijkstra(vector<vector<pair<int, T>>>& graph, int start) { int n = graph.size(); vector<long long> res(n, 2e18); res[start] = 0; priority_queue<pair<long long, int>, vector<pair<long long, int>>, greater<pair<long long, int>>> que; que.push({0, start}); while (!que.empty()) { auto [c, v] = que.top(); que.pop(); if (res[v] < c) continue; for (auto [nxt, cost] : graph[v]) { auto x = c + cost; if (x < res[nxt]) { res[nxt] = x; que.push({x, nxt}); } } } return res; } } // namespace useful using namespace useful; class SegmentMap : public std::map<signed, signed> { private: bool flagToMergeAdjacentSegment; public: // if merge [l, c] and [c+1, r], set flagToMergeAdjacentSegment to true SegmentMap(bool f) : flagToMergeAdjacentSegment(f) {} // __exist -> iterator pair(l, r) (contain p) // noexist -> map.end() auto get(signed p) const { auto it = upper_bound(p); if (it == begin() || (--it)->second < p) return end(); return it; } // insert segment [l, r] void insert(signed l, signed r) { auto itl = upper_bound(l), itr = upper_bound(r + flagToMergeAdjacentSegment); if (itl != begin()) { if ((--itl)->second < l - flagToMergeAdjacentSegment) ++itl; } if (itl != itr) { l = std::min(l, itl->first); r = std::max(r, std::prev(itr)->second); erase(itl, itr); } (*this)[l] = r; } // remove segment [l, r] void remove(signed l, signed r) { auto itl = upper_bound(l), itr = upper_bound(r); if (itl != begin()) { if ((--itl)->second < l) ++itl; } if (itl == itr) return; int tl = std::min(l, itl->first), tr = std::max(r, std::prev(itr)->second); erase(itl, itr); if (tl < l) (*this)[tl] = l - 1; if (r < tr) (*this)[r + 1] = tr; } // Is p and q in same segment? bool same(signed p, signed q) const { if (p == q) return true; const auto&& it = get(p); return it != end() && it->first <= q && q <= it->second; } }; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int n, q; in(n, q); SegmentMap s(true); rep(i, q) { int t; in(t); if (t == 1) { int l, r; in(l, r); s.insert(2 * l, 2 * r); } if (t == 2) { int l, r; in(l, r); s.remove(2 * l + 1, 2 * r - 1); } if (t == 3) { int l, r; in(l, r); if (s.same(2 * l, 2 * r)) { print(1); } else { print(0); } } if (t == 4) { int v; in(v); auto it = s.get(2 * v); if (it == s.end()) { print(1); } else { auto [l, r] = *it; print((r - l) / 2 + 1); } } } }