結果
問題 | No.2956 Substitute with Average |
ユーザー |
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提出日時 | 2024-11-08 21:58:00 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 136 ms / 3,000 ms |
コード長 | 2,529 bytes |
コンパイル時間 | 2,158 ms |
コンパイル使用メモリ | 199,676 KB |
最終ジャッジ日時 | 2025-02-25 02:45:38 |
ジャッジサーバーID (参考情報) |
judge5 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 25 |
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;}void solve();// CYAN / FREDERICint main() {ios::sync_with_stdio(false);cin.tie(nullptr);int t = 1;// cin >> t;rep(i, 0, t) solve();}void solve(){ll N;cin >> N;vector<ll> A(N), S(N + 1);rep(i, 0, N){cin >> A[i];S[i + 1] = S[i] + A[i];}ll ans = N * (N + 1) / 2;ans -= N - 1;const int L = 32;vector<vector<int>> G(L);rep(i, 0, N) G[A[i]].push_back(i);vector<ll> B(N), C(N), D(N * L * 2), E(N * L * 2);for (int d = 1; d <= L; d++){rep(i, 0, N){B[i] = (N - i - 1) * d + S[i + 1];C[i] = (N - i) * d + S[i];if (A[i] == d){ans -= D[B[i]];}else ans -= E[B[i]];D[C[i]]++;if (A[i] == d){E[C[i]]++;}}rep(i, 0, N) E[C[i]] = 0, D[C[i]] = 0;}cout << ans << "\n";}