結果
問題 | No.649 ここでちょっとQK! |
ユーザー | Taiki0715 |
提出日時 | 2023-08-30 17:21:11 |
言語 | C++17(clang) (17.0.6 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 236 ms / 3,000 ms |
コード長 | 7,090 bytes |
コンパイル時間 | 4,193 ms |
コンパイル使用メモリ | 180,352 KB |
実行使用メモリ | 15,872 KB |
最終ジャッジ日時 | 2024-06-10 17:03:36 |
合計ジャッジ時間 | 9,656 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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 | 236 ms
5,376 KB |
testcase_04 | AC | 58 ms
15,872 KB |
testcase_05 | AC | 59 ms
15,872 KB |
testcase_06 | AC | 60 ms
15,872 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 1 ms
5,376 KB |
testcase_12 | AC | 88 ms
8,320 KB |
testcase_13 | AC | 89 ms
8,320 KB |
testcase_14 | AC | 86 ms
8,320 KB |
testcase_15 | AC | 90 ms
8,448 KB |
testcase_16 | AC | 89 ms
8,960 KB |
testcase_17 | AC | 102 ms
9,216 KB |
testcase_18 | AC | 114 ms
9,856 KB |
testcase_19 | AC | 128 ms
10,240 KB |
testcase_20 | AC | 136 ms
10,752 KB |
testcase_21 | AC | 144 ms
11,264 KB |
testcase_22 | AC | 163 ms
11,776 KB |
testcase_23 | AC | 168 ms
12,288 KB |
testcase_24 | AC | 179 ms
12,928 KB |
testcase_25 | AC | 195 ms
13,312 KB |
testcase_26 | AC | 203 ms
13,696 KB |
testcase_27 | AC | 3 ms
5,376 KB |
testcase_28 | AC | 2 ms
5,376 KB |
testcase_29 | AC | 2 ms
5,376 KB |
testcase_30 | AC | 94 ms
8,320 KB |
testcase_31 | AC | 98 ms
8,576 KB |
testcase_32 | AC | 2 ms
5,376 KB |
testcase_33 | AC | 1 ms
5,376 KB |
testcase_34 | AC | 1 ms
5,376 KB |
testcase_35 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #if __has_include(<atcoder/all>) #include <atcoder/all> using namespace atcoder; template<int mod>istream &operator>>(istream &is,static_modint<mod> &a){long long b;is>>b;a=b;return is;} istream &operator>>(istream &is,modint &a){long long b;cin>>b;a=b;return is;} #endif using ll=long long; using ull=unsigned long long; using P=pair<ll,ll>; template<typename T>using minque=priority_queue<T,vector<T>,greater<T>>; template<typename T>bool chmax(T &a,const T &b){return (a<b?(a=b,true):false);} template<typename T>bool chmin(T &a,const T &b){return (a>b?(a=b,true):false);} template<typename T1,typename T2>istream &operator>>(istream &is,pair<T1,T2>&p){is>>p.first>>p.second;return is;} template<typename T>istream &operator>>(istream &is,vector<T> &a){for(auto &i:a)is>>i;return is;} template<typename T1,typename T2>void operator++(pair<T1,T2>&a,int n){a.first++,a.second++;} template<typename T1,typename T2>void operator--(pair<T1,T2>&a,int n){a.first--,a.second--;} template<typename T>void operator++(vector<T>&a,int n){for(auto &i:a)i++;} template<typename T>void operator--(vector<T>&a,int n){for(auto &i:a)i--;} #define reps(i,a,n) for(int i=(a);i<(n);i++) #define rep(i,n) reps(i,0,n) #define all(x) x.begin(),x.end() #define pcnt(x) __builtin_popcount(x) ll myceil(ll a,ll b){return (a+b-1)/b;} template<typename T,size_t n,size_t id=0> auto vec(const int (&d)[n],const T &init=T()){ if constexpr (id<n)return vector(d[id],vec<T,n,id+1>(d,init)); else return init; } #ifdef LOCAL #include "debug.h" #else #define debug(...) static_cast<void>(0) template<typename T1,typename T2>ostream &operator<<(ostream &os,const pair<T1,T2>&p){os<<p.first<<' '<<p.second;return os;} #endif void SOLVE(); int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); #ifdef LOCAL clock_t start=clock(); #endif int testcase=1; //cin>>testcase; for(int i=0;i<testcase;i++){ SOLVE(); } #ifdef LOCAL cout<<"time:"; cout<<(clock()-start)/1000; cout<<"ms\n"; #endif } template<typename S,S(*op)(S,S),S(*e)()> struct splay_tree{ struct node{ node *par,*left,*right; int sz; S val,sum; node():par(nullptr),left(nullptr),right(nullptr),sz(1),val(e()),sum(e()){} void set(S v){ this->val=v; this->sum=v; if(this->left)this->sum=op(this->left->sum,this->sum); if(this->right)this->sum=op(this->sum,this->right->sum); } void rotate(){ node *pp,*p,*c; p=this->par; pp=p->par; if(p->left==this){ c=this->right; this->right=p; p->left=c; } else{ c=this->left; this->left=p; p->right=c; } if(pp&&pp->left==p)pp->left=this; if(pp&&pp->right==p)pp->right=this; this->par=pp; p->par=this; if(c)c->par=p; p->update(); this->update(); } int state()const{ if(!this->par)return 0; if(this->par->left==this)return 1; if(this->par->right==this)return -1; return 0; } void splay(){ while(this->state()){ if(this->par->state()==0)this->rotate(); else if(this->state()==this->par->state()){ this->par->rotate(); this->rotate(); } else{ this->rotate(); this->rotate(); } } } void update(){ this->sz=1; this->sum=this->val; if(this->left){ this->sz+=this->left->sz; this->sum=op(this->left->sum,this->sum); } if(this->right){ this->sz+=this->right->sz; this->sum=op(this->sum,this->right->sum); } } }; private: node *root=nullptr; node *get(int id,node *root){ node *now=root; while(true){ int lsize=now->left?now->left->sz:0; if(id<lsize)now=now->left; else if(id==lsize){ now->splay(); return now; } else{ now=now->right; id-=lsize+1; } } } node *merge(node *lroot,node *rroot){ if(!lroot)return rroot; if(!rroot)return lroot; lroot=get(lroot->sz-1,lroot); lroot->right=rroot; rroot->par=lroot; lroot->update(); return lroot; } pair<node*,node*>split(int lcnt,node *root){ if(lcnt==0)return {nullptr,root}; if(lcnt==root->sz)return {root,nullptr}; root=get(lcnt,root); node *lroot,*rroot; lroot=root->left; rroot=root; lroot->par=nullptr; rroot->left=nullptr; rroot->update(); return {lroot,rroot}; } node *insert(int id,node *nd,node *root){ auto spl=split(id,root); return merge(merge(spl.first,nd),spl.second); } node *erase(int id,node *root){ root=get(id,root); node *lroot=root->left; node *rroot=root->right; if(lroot)lroot->par=nullptr; if(rroot)rroot->par=nullptr; delete(root); return merge(lroot,rroot); } node *between(int l,int r){ if(l==0&&r==this->root->sz)return this->root; if(l==0){ root=get(r,root); return root->left; } if(r==this->root->sz){ root=get(l-1,root); return root->right; } node *rht=get(r,root); node *lft=rht->left; lft->par=nullptr; root=lft; lft=get(l-1,lft); root=rht; rht->left=lft; lft->par=rht; rht->update(); return lft->right; } public: const S &operator[](int id){ root=get(id,root); return root->val; } void insert(S x){ node *nd=new node(); nd->set(x); if(!root){ root=insert(0,nd,root); return; } node *now=root; while(true){ if(now->val==x){ now->splay(); root=now; int lsize=root->left?root->left->sz:0; root=insert(lsize,nd,root); return; } else if(now->val>x){ if(!now->left){ now->left=nd; nd->par=now; nd->splay(); root=nd; return; } else now=now->left; } else{ if(!now->right){ now->right=nd; nd->par=now; nd->splay(); root=nd; return; } else now=now->right; } } } void erase(S x){ if(!root)return; node *now=root; while(true){ if(now->val==x){ now->splay(); root=now; int lsize=now->left?now->left->sz:0; root=erase(lsize,root); return; } else if(now->val>x){ if(!now->left)return; else now=now->left; } else{ if(!now->right)return; else now=now->right; } } } int size()const{return root?root->sz:0;} S prod(int l,int r){ if(l==r)return e(); node *pr=between(l,r); return pr->sum; } };//バグってるかも ll op(ll a,ll b){return 0;} ll e(){return 0;} void SOLVE(){ int q,k; cin>>q>>k; splay_tree<ll,op,e>s; while(q--){ int t; cin>>t; if(t==1){ ll x; cin>>x; s.insert(x); } else{ if(s.size()<k)cout<<-1<<endl; else{ ll ans=s[k-1]; cout<<ans<<endl; s.erase(ans); } } } }