結果
| 問題 |
No.2735 Demarcation
|
| コンテスト | |
| ユーザー |
👑 potato167
|
| 提出日時 | 2025-02-08 04:16:57 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,548 bytes |
| コンパイル時間 | 2,513 ms |
| コンパイル使用メモリ | 200,964 KB |
| 実行使用メモリ | 362,764 KB |
| 最終ジャッジ日時 | 2025-02-08 04:17:20 |
| 合計ジャッジ時間 | 22,264 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 * 26 WA * 2 |
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";
}
}
potato167