結果
問題 |
No.2735 Demarcation
|
ユーザー |
👑 ![]() |
提出日時 | 2025-02-08 04:20:04 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 1,197 ms / 1,500 ms |
コード長 | 3,549 bytes |
コンパイル時間 | 2,221 ms |
コンパイル使用メモリ | 200,536 KB |
実行使用メモリ | 362,688 KB |
最終ジャッジ日時 | 2025-02-08 04:20:27 |
合計ジャッジ時間 | 22,029 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 28 |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll=long long; using ld=long double; const ll ILL=2167167167167167167; const int INF=2100000000; #define rep(i,a,b) for (int i=(int)(a);i<(int)(b);i++) #define all(p) p.begin(),p.end() template<class T> using _pq = priority_queue<T, vector<T>, greater<T>>; template<class T> int LB(vector<T> &v,T a){return lower_bound(v.begin(),v.end(),a)-v.begin();} template<class T> int UB(vector<T> &v,T a){return upper_bound(v.begin(),v.end(),a)-v.begin();} template<class T> bool chmin(T &a,T b){if(b<a){a=b;return 1;}else return 0;} template<class T> bool chmax(T &a,T b){if(a<b){a=b;return 1;}else return 0;} template<class T> void So(vector<T> &v) {sort(v.begin(),v.end());} template<class T> void Sore(vector<T> &v) {sort(v.begin(),v.end(),[](T x,T y){return x>y;});} bool yneos(bool a,bool upp=false){if(a){cout<<(upp?"YES\n":"Yes\n");}else{cout<<(upp?"NO\n":"No\n");}return a;} template<class T> void vec_out(vector<T> &p,int ty=0){ if(ty==2){cout<<'{';for(int i=0;i<(int)p.size();i++){if(i){cout<<",";}cout<<'"'<<p[i]<<'"';}cout<<"}\n";} else{if(ty==1){cout<<p.size()<<"\n";}for(int i=0;i<(int)(p.size());i++){if(i) cout<<" ";cout<<p[i];}cout<<"\n";}} template<class T> T vec_min(vector<T> &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmin(ans,x);return ans;} template<class T> T vec_max(vector<T> &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmax(ans,x);return ans;} template<class T> T vec_sum(vector<T> &a){T ans=T(0);for(auto &x:a) ans+=x;return ans;} int pop_count(long long a){int res=0;while(a){res+=(a&1),a>>=1;}return res;} template<class T> T square(T a){return a * a;} void solve(); // CITRUS CURIO CITY / FREDERIC int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int t = 1; // cin >> t; rep(i, 0, t) solve(); } void solve(){ ll A = 1, B = 1; ll L = 1; while (A <= (1ll << 60)){ swap(A, B); A += B; L++; } int N; cin >> N; vector<int> X(N); rep(i, 0, N) cin >> X[i]; auto safe_add = [&](ll &a, ll b) -> void { a += b; chmin(a, ILL); }; vector<int> D(N); rep(i, 0, N - 1) D[i + 1] = D[i] + (X[i] == X[i + 1]); vector to(L + 1, vector<int>(N)); rep(i, 1, L + 1){ vector<int> p(N + 1); int r = 0; int C = 0; rep(l, 0, N){ while (r != N && C <= i){ if (p[X[r]] == 0) C++; p[X[r++]]++; } to[i][l] = r + (C <= i); if (p[X[l]] == 1) C--; p[X[l]]--; } } int Q; cin >> Q; while (Q--){ int l, r; ll S; cin >> l >> r >> S; l--; if ((r - l) <= 61 && (1ll << (r - l - 1)) <= S){ cout << "-1\n"; continue; } if (r - l >= L){ if (D[r - 1] - D[l] <= 60 && (1ll << (D[r - 1] - D[l])) <= S){ cout << "1\n"; } else{ cout << "0\n"; } continue; } ll KL = 0, KR = L; while (KR - KL > 1){ ll K = (KL + KR) / 2; vector<ll> dp(r - l + 1); dp[0] = 1; rep(i, l, r){ rep(j, i + 1, min(r + 1, to[K][i])){ safe_add(dp[j - l], dp[i - l]); } } // cout << K << "\n"; // vec_out(dp); if (dp[r - l] <= S) KL = K; else KR = K; } cout << KL << "\n"; } }