結果
問題 | No.1248 Kth Sum |
ユーザー | 👑 tute7627 |
提出日時 | 2020-09-27 16:34:00 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 55 ms / 2,000 ms |
コード長 | 3,148 bytes |
コンパイル時間 | 2,148 ms |
コンパイル使用メモリ | 208,548 KB |
実行使用メモリ | 7,584 KB |
最終ジャッジ日時 | 2024-06-30 12:43:46 |
合計ジャッジ時間 | 4,356 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(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 | 2 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 | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 40 ms
7,456 KB |
testcase_14 | AC | 31 ms
6,528 KB |
testcase_15 | AC | 38 ms
7,580 KB |
testcase_16 | AC | 41 ms
6,784 KB |
testcase_17 | AC | 37 ms
6,528 KB |
testcase_18 | AC | 36 ms
6,528 KB |
testcase_19 | AC | 34 ms
6,400 KB |
testcase_20 | AC | 33 ms
6,400 KB |
testcase_21 | AC | 31 ms
6,400 KB |
testcase_22 | AC | 31 ms
6,528 KB |
testcase_23 | AC | 2 ms
5,376 KB |
testcase_24 | AC | 47 ms
7,460 KB |
testcase_25 | AC | 55 ms
7,456 KB |
testcase_26 | AC | 49 ms
7,584 KB |
testcase_27 | AC | 25 ms
6,400 KB |
testcase_28 | AC | 26 ms
6,400 KB |
testcase_29 | AC | 24 ms
5,376 KB |
testcase_30 | AC | 41 ms
7,040 KB |
testcase_31 | AC | 35 ms
6,400 KB |
testcase_32 | AC | 35 ms
6,400 KB |
testcase_33 | AC | 2 ms
5,376 KB |
testcase_34 | AC | 42 ms
6,784 KB |
testcase_35 | AC | 36 ms
6,272 KB |
testcase_36 | AC | 33 ms
6,400 KB |
testcase_37 | AC | 31 ms
6,400 KB |
ソースコード
//#define _GLIBCXX_DEBUG #include<bits/stdc++.h> using namespace std; #define endl '\n' #define lfs cout<<fixed<<setprecision(10) #define ALL(a) (a).begin(),(a).end() #define ALLR(a) (a).rbegin(),(a).rend() #define spa << " " << #define fi first #define se second #define MP make_pair #define MT make_tuple #define PB push_back #define EB emplace_back #define rep(i,n,m) for(ll i = (n); i < (ll)(m); i++) #define rrep(i,n,m) for(ll i = (ll)(m) - 1; i >= (ll)(n); i--) using ll = long long; using ld = long double; const ll MOD1 = 1e9+7; const ll MOD9 = 998244353; const ll INF = 1e18; using P = pair<ll, ll>; template<typename T1, typename T2>bool chmin(T1 &a,T2 b){if(a>b){a=b;return true;}else return false;} template<typename T1, typename T2>bool chmax(T1 &a,T2 b){if(a<b){a=b;return true;}else return false;} ll median(ll a,ll b, ll c){return a+b+c-max({a,b,c})-min({a,b,c});} void ans1(bool x){if(x) cout<<"Yes"<<endl;else cout<<"No"<<endl;} void ans2(bool x){if(x) cout<<"YES"<<endl;else cout<<"NO"<<endl;} void ans3(bool x){if(x) cout<<"Yay!"<<endl;else cout<<":("<<endl;} template<typename T1,typename T2>void ans(bool x,T1 y,T2 z){if(x)cout<<y<<endl;else cout<<z<<endl;} template<typename T>void debug(vector<vector<T>>&v,ll h,ll w){for(ll i=0;i<h;i++){cout<<v[i][0];for(ll j=1;j<w;j++)cout spa v[i][j];cout<<endl;}}; void debug(vector<string>&v,ll h,ll w){for(ll i=0;i<h;i++){for(ll j=0;j<w;j++)cout<<v[i][j];cout<<endl;}}; template<typename T>void debug(vector<T>&v,ll n){if(n!=0)cout<<v[0];for(ll i=1;i<n;i++)cout spa v[i];cout<<endl;}; template<typename T>vector<vector<T>>vec(ll x, ll y, T w){vector<vector<T>>v(x,vector<T>(y,w));return v;} ll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;} vector<ll>dx={1,-1,0,0,1,1,-1,-1};vector<ll>dy={0,0,1,-1,1,-1,1,-1}; template<typename T>vector<T> make_v(size_t a,T b){return vector<T>(a,b);} template<typename... Ts>auto make_v(size_t a,Ts... ts){return vector<decltype(make_v(ts...))>(a,make_v(ts...));} template<typename T1, typename T2>ostream &operator<<(ostream &os, const pair<T1, T2>&p){return os << p.first << " " << p.second;} template<typename T>ostream &operator<<(ostream &os, const vector<T> &v){for(auto &z:v)os << z << " ";cout<<"|"; return os;} //mt19937 mt(chrono::steady_clock::now().time_since_epoch().count()); int main(){ cin.tie(nullptr); ios_base::sync_with_stdio(false); ll res=0,buf=0; bool judge = true; ll n,k;cin>>n>>k; assert(n>=1&&n<=200000); assert(k>=1&&k<=n); vector<ll>a(n); rep(i,0,n){ cin>>a[i]; assert(a[i]>=1&&a[i]<=(ll)1e9); } if(k==1){ cout<<a[0]<<endl; return 0; } vector<ll>b(n+1,INF); rrep(i,0,n){ b[i]=min(b[i+1],a[i]); } priority_queue<ll>que; ll psum=0; res=INF; rrep(i,k-1,n){ ll m=(i+k-2)/(k-1); if(m*k>n){ que.push(a[i]); psum+=a[i]; continue; } while(que.size()>=m){ psum-=que.top(); que.pop(); } if(m==1)chmin(res,a[i]); else if(que.top()>=b[m*k-1])chmin(res,a[i]+psum); else chmin(res,a[i]+psum-que.top()+b[m*k-1]); que.push(a[i]); psum+=a[i]; } cout<<res<<endl; return 0; }