結果
問題 | No.2292 Interval Union Find |
ユーザー | poyon |
提出日時 | 2023-07-22 15:29:15 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 308 ms / 5,000 ms |
コード長 | 9,300 bytes |
コンパイル時間 | 2,573 ms |
コンパイル使用メモリ | 220,056 KB |
実行使用メモリ | 20,624 KB |
最終ジャッジ日時 | 2024-09-22 15:13:39 |
合計ジャッジ時間 | 18,234 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
6,812 KB |
testcase_01 | AC | 3 ms
6,940 KB |
testcase_02 | AC | 3 ms
6,940 KB |
testcase_03 | AC | 3 ms
6,940 KB |
testcase_04 | AC | 227 ms
10,400 KB |
testcase_05 | AC | 218 ms
10,656 KB |
testcase_06 | AC | 231 ms
10,276 KB |
testcase_07 | AC | 223 ms
10,524 KB |
testcase_08 | AC | 283 ms
20,216 KB |
testcase_09 | AC | 289 ms
20,112 KB |
testcase_10 | AC | 308 ms
20,124 KB |
testcase_11 | AC | 285 ms
20,088 KB |
testcase_12 | AC | 279 ms
20,116 KB |
testcase_13 | AC | 277 ms
19,628 KB |
testcase_14 | AC | 281 ms
19,956 KB |
testcase_15 | AC | 295 ms
19,988 KB |
testcase_16 | AC | 289 ms
19,828 KB |
testcase_17 | AC | 299 ms
20,164 KB |
testcase_18 | AC | 185 ms
20,580 KB |
testcase_19 | AC | 245 ms
20,464 KB |
testcase_20 | AC | 256 ms
20,624 KB |
testcase_21 | AC | 235 ms
20,372 KB |
testcase_22 | AC | 231 ms
20,332 KB |
testcase_23 | AC | 234 ms
20,280 KB |
testcase_24 | AC | 236 ms
20,332 KB |
testcase_25 | AC | 234 ms
20,372 KB |
testcase_26 | AC | 234 ms
20,436 KB |
testcase_27 | AC | 233 ms
20,324 KB |
testcase_28 | AC | 233 ms
20,152 KB |
testcase_29 | AC | 233 ms
20,356 KB |
testcase_30 | AC | 236 ms
20,396 KB |
testcase_31 | AC | 236 ms
20,316 KB |
testcase_32 | AC | 234 ms
20,348 KB |
testcase_33 | AC | 234 ms
20,280 KB |
testcase_34 | AC | 233 ms
20,284 KB |
testcase_35 | AC | 232 ms
20,292 KB |
testcase_36 | AC | 235 ms
20,160 KB |
testcase_37 | AC | 233 ms
20,220 KB |
testcase_38 | AC | 231 ms
20,308 KB |
testcase_39 | AC | 235 ms
20,320 KB |
testcase_40 | AC | 233 ms
20,276 KB |
testcase_41 | AC | 61 ms
7,200 KB |
testcase_42 | AC | 65 ms
7,200 KB |
testcase_43 | AC | 82 ms
7,200 KB |
testcase_44 | AC | 139 ms
7,200 KB |
testcase_45 | AC | 147 ms
7,200 KB |
testcase_46 | AC | 150 ms
7,200 KB |
testcase_47 | AC | 186 ms
7,200 KB |
ソースコード
// clang-format off #ifdef _LOCAL #include <pch.hpp> #else #include <bits/stdc++.h> #define cerr if (false) cerr #define debug_bar #define debug(...) #define debug2(vv) #define debug3(vvv) #endif using namespace std; using ll = long long; using ld = long double; using str = string; using P = pair<ll,ll>; using VP = vector<P>; using VVP = vector<VP>; using VC = vector<char>; using VS = vector<string>; using VVS = vector<VS>; using VI = vector<int>; using VVI = vector<VI>; using VVVI = vector<VVI>; using VLL = vector<ll>; using VVLL = vector<VLL>; using VVVLL = vector<VVLL>; using VB = vector<bool>; using VVB = vector<VB>; using VVVB = vector<VVB>; using VD = vector<double>; using VVD = vector<VD>; using VVVD = vector<VVD>; #define FOR(i,l,r) for (ll i = (l); i < (r); ++i) #define RFOR(i,l,r) for (ll i = (r)-1; (l) <= i; --i) #define REP(i,n) FOR(i,0,n) #define RREP(i,n) RFOR(i,0,n) #define FORE(e,c) for (auto&& e : c) #define ALL(c) (c).begin(), (c).end() #define SORT(c) sort(ALL(c)) #define RSORT(c) sort((c).rbegin(), (c).rend()) #define MIN(c) *min_element(ALL(c)) #define MAX(c) *max_element(ALL(c)) #define COUNT(c,v) count(ALL(c),(v)) #define len(c) ((ll)(c).size()) #define BIT(b,i) (((b)>>(i)) & 1) #define PCNT(b) ((ll)__builtin_popcountll(b)) #define LB(c,v) distance((c).begin(), lower_bound(ALL(c), (v))) #define UB(c,v) distance((c).begin(), upper_bound(ALL(c), (v))) #define UQ(c) do { SORT(c); (c).erase(unique(ALL(c)), (c).end()); (c).shrink_to_fit(); } while (0) #define END(...) do { print(__VA_ARGS__); exit(0); } while (0) constexpr ld EPS = 1e-10; constexpr ld PI = acosl(-1.0); constexpr int inf = (1 << 30) - (1 << 15); // 1,073,709,056 constexpr ll INF = (1LL << 62) - (1LL << 31); // 4,611,686,016,279,904,256 template<class... T> void input(T&... a) { (cin >> ... >> a); } void print() { cout << '\n'; } template<class T> void print(const T& a) { cout << a << '\n'; } template<class P1, class P2> void print(const pair<P1, P2>& a) { cout << a.first << " " << a.second << '\n'; } template<class T, class... Ts> void print(const T& a, const Ts&... b) { cout << a; (cout << ... << (cout << ' ', b)); cout << '\n'; } template<class T> void cout_line(const vector<T>& ans, int l, int r) { for (int i = l; i < r; i++) { if (i != l) { cout << ' '; } cout << ans[i]; } cout << '\n'; } template<class T> void print(const vector<T>& a) { cout_line(a, 0, a.size()); } template<class S, class T> bool chmin(S& a, const T b) { if (b < a) { a = b; return 1; } return 0; } template<class S, class T> bool chmax(S& a, const T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> T SUM(const vector<T>& A) { return accumulate(ALL(A), T(0)); } template<class T> vector<T> cumsum(const vector<T>& A, bool offset = false) { int N = A.size(); vector<T> S(N+1, 0); for (int i = 0; i < N; i++) { S[i+1] = S[i] + A[i]; } if (not offset) { S.erase(S.begin()); } return S; } template<class T> string to_binary(T x, int B = 0) { string s; while (x) { s += ('0' + (x & 1)); x >>= 1; } while ((int)s.size() < B) { s += '0'; } reverse(s.begin(), s.end()); return s; } template<class F> ll binary_search(const F& is_ok, ll ok, ll ng) { while (abs(ok - ng) > 1) { ll m = (ok + ng) / 2; (is_ok(m) ? ok : ng) = m; } return ok; } template<class F> double binary_search_real(const F& is_ok, double ok, double ng, int iter = 90) { for (int i = 0; i < iter; i++) { double m = (ok + ng) / 2; (is_ok(m) ? ok : ng) = m; } return ok; } template<class T> using PQ_max = priority_queue<T>; template<class T> using PQ_min = priority_queue<T, vector<T>, greater<T>>; template<class T> T pick(stack<T>& s) { assert(not s.empty()); T x = s.top(); s.pop(); return x; } template<class T> T pick(queue<T>& q) { assert(not q.empty()); T x = q.front(); q.pop(); return x; } template<class T> T pick_front(deque<T>& dq) { assert(not dq.empty()); T x = dq.front(); dq.pop_front(); return x; } template<class T> T pick_back(deque<T>& dq) { assert(not dq.empty()); T x = dq.back(); dq.pop_back(); return x; } template<class T> T pick(PQ_min<T>& pq) { assert(not pq.empty()); T x = pq.top(); pq.pop(); return x; } template<class T> T pick(PQ_max<T>& pq) { assert(not pq.empty()); T x = pq.top(); pq.pop(); return x; } template<class T> T pick(vector<T>& v) { assert(not v.empty()); T x = v.back(); v.pop_back(); return x; } int to_int(const char c) { if (islower(c)) { return (c - 'a'); } if (isupper(c)) { return (c - 'A'); } if (isdigit(c)) { return (c - '0'); } assert(false); } char to_a(const int i) { assert(0 <= i && i < 26); return ('a' + i); } char to_A(const int i) { assert(0 <= i && i < 26); return ('A' + i); } char to_d(const int i) { assert(0 <= i && i <= 9); return ('0' + i); } ll min(int a, ll b) { return min((ll)a, b); } ll min(ll a, int b) { return min(a, (ll)b); } ll max(int a, ll b) { return max((ll)a, b); } ll max(ll a, int b) { return max(a, (ll)b); } ll mod(ll x, ll m) { assert(m > 0); return (x % m + m) % m; } ll ceil(ll a, ll b) { if (b < 0) { return ceil(-a, -b); } assert(b > 0); return (a < 0 ? a / b : (a + b - 1) / b); } ll floor(ll a, ll b) { if (b < 0) { return floor(-a, -b); } assert(b > 0); return (a > 0 ? a / b : (a - b + 1) / b); } ll powint(ll x, ll n) { assert(n >= 0); if (n == 0) { return 1; }; ll res = powint(x, n>>1); res *= res; if (n & 1) { res *= x; } return res; } pair<ll,ll> divmod(ll a, ll b) { assert(b != 0); ll q = floor(a, b); return make_pair(q, a - q * b); } ll bitlen(ll b) { if (b <= 0) { return 0; } return (64LL - __builtin_clzll(b)); } ll digitlen(ll n) { assert(n >= 0); if (n == 0) { return 1; } ll sum = 0; while (n > 0) { sum++; n /= 10; } return sum; } ll msb(ll b) { return (b <= 0 ? -1 : (63 - __builtin_clzll(b))); } ll lsb(ll b) { return (b <= 0 ? -1 : __builtin_ctzll(b)); } // -------------------------------------------------------- // 座標圧縮 template <class T = ll> struct compress { public: compress() {} compress(const vector<T>& A) : xs(A) {} compress(const vector<T>& A, const vector<T>& B) { xs.reserve(A.size() + B.size()); for (const auto& a : A) { xs.push_back(a); } for (const auto& b : B) { xs.push_back(b); } } // 値 v を追加する // - amortized O(1) void add(T v) { assert(not is_built); xs.push_back(v); } // 配列 A の値を全て追加する // - O(|A|) void add(const vector<T>& A) { assert(not is_built); xs.reserve(xs.size() + A.size()); for (const auto& a : A) { xs.push_back(a); } } // 座標圧縮して種類数を返す // - O(N log N) int build() { assert(not is_built); sort(xs.begin(), xs.end()); xs.erase(unique(xs.begin(), xs.end()), xs.end()); is_built = true; return xs.size(); } // 座標圧縮前で i 番目に大きい値を返す (0-indexed) // - O(1) T operator[] (int i) const noexcept { assert(is_built); assert(0 <= i && i < (int)xs.size()); return xs[i]; } // 値 v に対応する座標圧縮後の値(番号)を返す // 値 v が元の配列に存在することを想定 // - O(log N) int operator() (T v) const noexcept { assert(is_built); auto it = lower_bound(xs.begin(), xs.end(), v); assert(it != xs.end() && *it == v); return distance(xs.begin(), it); } // 座標圧縮後の値の種類数を返す // - O(1) int size() const noexcept { assert(is_built); return xs.size(); } private: bool is_built = false; vector<T> xs; }; #include <atcoder/lazysegtree> using namespace atcoder; // 区間更新・区間総和 struct Mono { int v; int num; }; using Func = int; Mono op(Mono a, Mono b) { return Mono{a.v + b.v, a.num + b.num}; } Mono e() { return Mono{0, 0}; } Mono mapping(Func f, Mono a) { return (f == -1) ? a : Mono{f * a.num, a.num}; } Func composition(Func f, Func g) { return (f == -1) ? g : f; } Func id() { return -1; } bool f(Mono v) { return v.v == v.num; } // clang-format on int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(15); int N, Q; input(N, Q); compress<int> z; z.add(1); z.add(N); VI T(Q), L(Q), R(Q); REP (i, Q) { input(T[i]); if (T[i] <= 3) { input(L[i], R[i]); } else { input(L[i]); } } z.add(L); z.add(R); int M = z.build(); vector<Mono> seg_init(M, e()); REP (m, M - 1) { seg_init[m] = Mono{0, z[m + 1] - z[m]}; } lazy_segtree<Mono, op, e, Func, mapping, composition, id> seg(seg_init); REP (i, Q) { int q = T[i]; auto l = z(L[i]); auto r = z(R[i]); if (q == 1) { seg.apply(l, r, 1); } else if (q == 2) { seg.apply(l, r, 0); } else if (q == 3) { if (l > r) { swap(l, r); } auto m = seg.prod(l, r); auto ans = m.v == m.num; print(ans); } else { int v = l; auto r = seg.max_right<f>(v); auto l = seg.min_left<f>(v); auto ans = seg.prod(l, r).v + 1; print(ans); } } return 0; }