結果
| 問題 |
No.2935 Division Into 3 (Mex Edition)
|
| コンテスト | |
| ユーザー |
👑 potato167
|
| 提出日時 | 2024-10-13 00:03:24 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 744 ms / 5,000 ms |
| コード長 | 3,503 bytes |
| コンパイル時間 | 2,393 ms |
| コンパイル使用メモリ | 206,088 KB |
| 最終ジャッジ日時 | 2025-02-24 19:07:10 |
|
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 21 |
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> ll LB(vector<T> &v,T a){return lower_bound(v.begin(),v.end(),a)-v.begin();}
template<class T> ll 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(a>b){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=0){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> bool inside(T l,T x,T r){return l<=x&&x<r;}
void solve();
// CYAN / FREDERIC
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t = 1;
// cin >> t;
rep(i, 0, t) solve();
}
void solve(){
int N;
cin >> N;
vector<int> A(N), C(N);
rep(i, 0, N) cin >> A[i];
const int D = 3;
const int M = 100'010;
vector<vector<int>> G(M);
vector<int> ind(M);
rep(i, 0, N){
G[A[i]].push_back(i);
}
rep(i, 0, M) rep(j, 0, D) G[i].push_back(N);
const int B = 500;
vector<vector<int>> sq_val(D);
vector val(D, vector<int>(N + 1, INF));
rep(i, 0, D) rep(j, 0, M) chmin(val[i][G[j][i]], j);
// rep(i, 0, D) vec_out(val[i]);
rep(i, 0, N){
if (i % B == 0){
int tmp = i / B;
rep(j, 0, D){
sq_val[j].insert(sq_val[j].end(), all(val[j]));
for (int k = N; k > 0; k--){
chmin(sq_val[j][k - 1 + tmp * (N + 1)], sq_val[j][k + tmp * (N + 1)]);
}
}
}
C[i] = ind[A[i]];
ind[A[i]]++;
rep(j, 0, D){
chmin(val[j][G[A[i]][ind[A[i]] + j]], A[i]);
}
}
int Q;
cin >> Q;
ll F = 0;
rep(rp, 0, Q){
ll l, r;
cin >> l >> r;
l ^= F, r ^= F;
l--;
int st = l / B;
vector<int> ans(D);
rep(i, 0, D) ans[i] = sq_val[i][st * (N + 1) + r];
// cout << l << " " << r << endl;
// rep(i, 0, D) cout << ans[i] << " ";
// cout << endl;
rep(i, st * B, l){
rep(j, 0, D){
if (G[A[i]][C[i] + j + 1] >= r){
chmin(ans[j], A[i]);
}
}
}
F = vec_sum(ans);
int tmp = 0;
rep(i, 0, 3) if (ans[i] == 0) tmp++;
chmin(F, r - l - tmp);
cout << F << "\n";
}
}
potato167