結果
問題 | No.2292 Interval Union Find |
ユーザー | siganai |
提出日時 | 2023-05-05 22:23:35 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 191 ms / 5,000 ms |
コード長 | 8,062 bytes |
コンパイル時間 | 2,707 ms |
コンパイル使用メモリ | 212,876 KB |
実行使用メモリ | 16,000 KB |
最終ジャッジ日時 | 2024-05-02 17:03:01 |
合計ジャッジ時間 | 9,956 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
(要ログイン)
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 | 1 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 58 ms
5,376 KB |
testcase_05 | AC | 84 ms
5,376 KB |
testcase_06 | AC | 57 ms
5,376 KB |
testcase_07 | AC | 82 ms
5,376 KB |
testcase_08 | AC | 87 ms
5,376 KB |
testcase_09 | AC | 88 ms
5,376 KB |
testcase_10 | AC | 81 ms
5,376 KB |
testcase_11 | AC | 75 ms
5,376 KB |
testcase_12 | AC | 91 ms
5,376 KB |
testcase_13 | AC | 69 ms
5,376 KB |
testcase_14 | AC | 72 ms
5,376 KB |
testcase_15 | AC | 75 ms
5,376 KB |
testcase_16 | AC | 73 ms
5,376 KB |
testcase_17 | AC | 85 ms
5,376 KB |
testcase_18 | AC | 161 ms
16,000 KB |
testcase_19 | AC | 168 ms
16,000 KB |
testcase_20 | AC | 191 ms
16,000 KB |
testcase_21 | AC | 141 ms
10,880 KB |
testcase_22 | AC | 143 ms
10,880 KB |
testcase_23 | AC | 141 ms
11,008 KB |
testcase_24 | AC | 150 ms
10,752 KB |
testcase_25 | AC | 143 ms
10,880 KB |
testcase_26 | AC | 153 ms
10,880 KB |
testcase_27 | AC | 141 ms
10,752 KB |
testcase_28 | AC | 140 ms
10,880 KB |
testcase_29 | AC | 136 ms
10,880 KB |
testcase_30 | AC | 144 ms
10,880 KB |
testcase_31 | AC | 138 ms
10,880 KB |
testcase_32 | AC | 141 ms
10,880 KB |
testcase_33 | AC | 150 ms
10,880 KB |
testcase_34 | AC | 144 ms
10,752 KB |
testcase_35 | AC | 140 ms
10,752 KB |
testcase_36 | AC | 151 ms
10,880 KB |
testcase_37 | AC | 142 ms
10,880 KB |
testcase_38 | AC | 142 ms
10,880 KB |
testcase_39 | AC | 152 ms
10,752 KB |
testcase_40 | AC | 146 ms
10,880 KB |
testcase_41 | AC | 42 ms
5,376 KB |
testcase_42 | AC | 45 ms
5,376 KB |
testcase_43 | AC | 46 ms
5,376 KB |
testcase_44 | AC | 53 ms
5,376 KB |
testcase_45 | AC | 56 ms
5,376 KB |
testcase_46 | AC | 57 ms
5,376 KB |
testcase_47 | AC | 62 ms
5,376 KB |
ソースコード
//#pragma GCC target("avx") //#pragma GCC optimize("O3") //#pragma GCC optimize("unroll-loops") #include<bits/stdc++.h> #ifdef LOCAL #include <debug.hpp> #define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__) #else #define debug(...) (static_cast<void>(0)) #endif using namespace std; using ll = long long; using ld = long double; using pll = pair<ll, ll>; using pii = pair<int, int>; using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; using vl = vector<ll>; using vvl = vector<vl>; using vvvl = vector<vvl>; using vpii = vector<pii>; using vpll = vector<pll>; using vs = vector<string>; template<class T> using pq = priority_queue<T, vector<T>, greater<T>>; #define overload4(_1, _2, _3, _4, name, ...) name #define overload3(a,b,c,name,...) name #define rep1(n) for (ll UNUSED_NUMBER = 0; UNUSED_NUMBER < (n); ++UNUSED_NUMBER) #define rep2(i, n) for (ll i = 0; i < (n); ++i) #define rep3(i, a, b) for (ll i = (a); i < (b); ++i) #define rep4(i, a, b, c) for (ll i = (a); i < (b); i += (c)) #define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__) #define rrep1(n) for(ll i = (n) - 1;i >= 0;i--) #define rrep2(i,n) for(ll i = (n) - 1;i >= 0;i--) #define rrep3(i,a,b) for(ll i = (b) - 1;i >= (a);i--) #define rrep4(i,a,b,c) for(ll i = (a) + ((b)-(a)-1) / (c) * (c);i >= (a);i -= c) #define rrep(...) overload4(__VA_ARGS__, rrep4, rrep3, rrep2, rrep1)(__VA_ARGS__) #define all1(i) begin(i) , end(i) #define all2(i,a) begin(i) , begin(i) + a #define all3(i,a,b) begin(i) + a , begin(i) + b #define all(...) overload3(__VA_ARGS__, all3, all2, all1)(__VA_ARGS__) #define sum(...) accumulate(all(__VA_ARGS__),0LL) template<class T> bool chmin(T &a, const T &b){ if(a > b){ a = b; return 1; } else return 0; } template<class T> bool chmax(T &a, const T &b){ if(a < b){ a = b; return 1; } else return 0; } template<class T> auto min(const T& a){ return *min_element(all(a)); } template<class T> auto max(const T& a){ return *max_element(all(a)); } template<class... Ts> void in(Ts&... t); #define INT(...) int __VA_ARGS__; in(__VA_ARGS__) #define LL(...) ll __VA_ARGS__; in(__VA_ARGS__) #define STR(...) string __VA_ARGS__; in(__VA_ARGS__) #define CHR(...) char __VA_ARGS__; in(__VA_ARGS__) #define DBL(...) double __VA_ARGS__; in(__VA_ARGS__) #define LD(...) ld __VA_ARGS__; in(__VA_ARGS__) #define VEC(type, name, size) vector<type> name(size); in(name) #define VV(type, name, h, w) vector<vector<type>> name(h, vector<type>(w)); in(name) ll intpow(ll a, ll b){ ll ans = 1; while(b){if(b & 1) ans *= a; a *= a; b /= 2;} return ans;} ll modpow(ll a, ll b, ll p){ ll ans = 1; a %= p;if(a < 0) a += p;while(b){ if(b & 1) (ans *= a) %= p; (a *= a) %= p; b /= 2; } return ans; } ll GCD(ll a,ll b) { if(a == 0 || b == 0) return 0; if(a % b == 0) return b; else return GCD(b,a%b);} ll LCM(ll a,ll b) { if(a == 0) return b; if(b == 0) return a;return a / GCD(a,b) * b;} namespace IO{ #define VOID(a) decltype(void(a)) struct setting{ setting(){cin.tie(nullptr); ios::sync_with_stdio(false);fixed(cout); cout.precision(30);}} setting; template<int I> struct P : P<I-1>{}; template<> struct P<0>{}; template<class T> void i(T& t){ i(t, P<3>{}); } void i(vector<bool>::reference t, P<3>){ int a; i(a); t = a; } template<class T> auto i(T& t, P<2>) -> VOID(cin >> t){ cin >> t; } template<class T> auto i(T& t, P<1>) -> VOID(begin(t)){ for(auto&& x : t) i(x); } template<class T, size_t... idx> void ituple(T& t, index_sequence<idx...>){ in(get<idx>(t)...);} template<class T> auto i(T& t, P<0>) -> VOID(tuple_size<T>{}){ ituple(t, make_index_sequence<tuple_size<T>::value>{});} #undef VOID } #define unpack(a) (void)initializer_list<int>{(a, 0)...} template<class... Ts> void in(Ts&... t){ unpack(IO :: i(t)); } #undef unpack static const double PI = 3.1415926535897932; template <class F> struct REC { F f; REC(F &&f_) : f(forward<F>(f_)) {} template <class... Args> auto operator()(Args &&...args) const { return f(*this, forward<Args>(args)...); }}; //constexpr int mod = 1000000007; constexpr int mod = 998244353; // 閉区間の範囲を管理 template<typename T> struct RangeSet{ set<pair<T,T>> st; T TINF; RangeSet(){ TINF=numeric_limits<T>::max()/2; st.emplace(TINF,TINF); st.emplace(-TINF,-TINF); } // [l,r] covered? bool covered(T l,T r){ assert(l<=r); auto ite=prev(st.lower_bound({l+1,l+1})); return ite->first<=l and r<=ite->second; } bool covered(T x){ return covered(x,x); } // [l, r]がカバーされているなら,その区間を返す. されていないなら[-TINF,-TINF]を返す pair<T,T> covered_by(T l,T r){ assert(l<=r); auto ite=prev(st.lower_bound({l+1,l+1})); if(ite->first<=l and r<=ite->second) return *ite; return make_pair(-TINF,-TINF); } pair<T,T> covered_by(T x){ return covered_by(x,x); } // insert[l,r], 増加量を返す T insert(T l,T r){ assert(l<=r); auto ite=prev(st.lower_bound({l+1,l+1})); if(ite->first<=l and r<=ite->second) return T(0); T sum_erased=T(0); if(ite->first<=l and l<=ite->second+1){ l=ite->first; sum_erased+=ite->second-ite->first+1; ite=st.erase(ite); }else ite=next(ite); while(r>ite->second){ sum_erased+=ite->second-ite->first+1; ite=st.erase(ite); } if(ite->first-1<=r and r<=ite->second){ sum_erased+=ite->second-ite->first+1; r=ite->second; st.erase(ite); } st.emplace(l,r); return r-l+1-sum_erased; } T insert(T x){ return insert(x,x); } // erase [l,r], 減少量を返す T erase(T l,T r){ assert(l<=r); auto ite=prev(st.lower_bound({l+1,l+1})); if(ite->first<=l and r<=ite->second){ // 完全に1つの区間に包含されている if(ite->first<l) st.emplace(ite->first,l-1); if(r<ite->second) st.emplace(r+1,ite->second); st.erase(ite); return r-l+1; } T ret=T(0); if(ite->first<=l and l<=ite->second){ ret+=ite->second-l+1;// 消えた if(ite->first<l) st.emplace(ite->first,l-1); ite=st.erase(ite);// 次へ }else ite=next(ite); while(ite->second<=r){ ret+=ite->second-ite->first+1; ite=st.erase(ite); } // 右端が区間の間にあるか if(ite->first<=r and r<=ite->second){ ret+=r-ite->first+1; if(r<ite->second) st.emplace(r+1,ite->second); st.erase(ite); } return ret; } T erase(T x){ return erase(x,x); } // number of range int size(){ return (int)st.size()-2; } // mex [x,~) T mex(T x=0){ auto ite=prev(st.lower_bound({x+1,x+1})); if(ite->first<=x and x<=ite->second) return ite->second+1; else return x; } void output(){ cout<<"RangeSet : "; for(auto &p:st){ if(p.first==-TINF or p.second==TINF) continue; cout<<"["<<p.first<<", "<<p.second<<"] "; } cout<<"\n"; } }; int main() { INT(n,q); RangeSet<ll> rs; rep(i,q) { INT(cmd); if(cmd == 1) { INT(L,R); rs.insert(2*L,2*R); } else if(cmd == 2) { INT(L,R); rs.erase(2*L+1,2*R-1); } else if(cmd == 3) { INT(u,v); if(u == v) { cout << 1 << '\n'; continue; } if(u > v) swap(u,v); if(rs.covered(2*u,2*v)) cout << 1 << '\n'; else cout << 0 << '\n'; } else { INT(v); auto ret = rs.covered_by(2*v); //debug(v,ret); cout << (ret.second - ret.first) / 2 + 1 << '\n'; } //rs.output(); } }