結果
問題 | No.618 labo-index |
ユーザー | rickytheta |
提出日時 | 2017-12-18 00:17:40 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 190 ms / 6,000 ms |
コード長 | 4,303 bytes |
コンパイル時間 | 1,731 ms |
コンパイル使用メモリ | 167,552 KB |
実行使用メモリ | 8,916 KB |
最終ジャッジ日時 | 2024-12-15 23:20:10 |
合計ジャッジ時間 | 4,957 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 | 1 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 1 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | AC | 1 ms
5,248 KB |
testcase_16 | AC | 2 ms
5,248 KB |
testcase_17 | AC | 1 ms
5,248 KB |
testcase_18 | AC | 3 ms
5,248 KB |
testcase_19 | AC | 74 ms
5,504 KB |
testcase_20 | AC | 84 ms
5,376 KB |
testcase_21 | AC | 74 ms
5,376 KB |
testcase_22 | AC | 78 ms
5,248 KB |
testcase_23 | AC | 78 ms
5,504 KB |
testcase_24 | AC | 75 ms
5,504 KB |
testcase_25 | AC | 80 ms
5,504 KB |
testcase_26 | AC | 81 ms
5,376 KB |
testcase_27 | AC | 76 ms
5,376 KB |
testcase_28 | AC | 77 ms
5,376 KB |
testcase_29 | AC | 86 ms
5,504 KB |
testcase_30 | AC | 71 ms
5,376 KB |
testcase_31 | AC | 76 ms
5,504 KB |
testcase_32 | AC | 79 ms
5,376 KB |
testcase_33 | AC | 76 ms
5,504 KB |
testcase_34 | AC | 162 ms
8,916 KB |
testcase_35 | AC | 190 ms
8,660 KB |
testcase_36 | AC | 56 ms
6,140 KB |
testcase_37 | AC | 122 ms
6,132 KB |
testcase_38 | AC | 1 ms
5,248 KB |
コンパイルメッセージ
main.cpp: In function ‘int main()’: main.cpp:150:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 150 | scanf("%d",&q); | ~~~~~^~~~~~~~~ main.cpp:155:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 155 | scanf("%d%d",&t,&x); | ~~~~~^~~~~~~~~~~~~~
ソースコード
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> vi; typedef vector<ll> vl; typedef pair<int,int> pii; typedef pair<ll,ll> pll; typedef int _loop_int; #define REP(i,n) for(_loop_int i=0;i<(_loop_int)(n);++i) #define FOR(i,a,b) for(_loop_int i=(_loop_int)(a);i<(_loop_int)(b);++i) #define FORR(i,a,b) for(_loop_int i=(_loop_int)(b)-1;i>=(_loop_int)(a);--i) #define DEBUG(x) cout<<#x<<": "<<x<<endl #define DEBUG_VEC(v) cout<<#v<<":";REP(i,v.size())cout<<" "<<v[i];cout<<endl #define ALL(a) (a).begin(),(a).end() #define CHMIN(a,b) a=min((a),(b)) #define CHMAX(a,b) a=max((a),(b)) // mod const ll MOD = 1000000007ll; #define FIX(a) ((a)%MOD+MOD)%MOD // floating typedef double Real; const Real EPS = 1e-11; #define EQ0(x) (abs(x)<EPS) #define EQ(a,b) (abs(a-b)<EPS) typedef complex<Real> P; struct Treap{ private: static const ll rd_msk = (1ll<<32)-1; static ll rd(){ static ll rd_x = 123456789; static ll rd_y = 362436069; static ll rd_z = 521288629; static ll rd_w = 88675123; ll t = (rd_x^(rd_x<<11))&rd_msk; rd_x = rd_y; rd_y = rd_z; rd_z = rd_w; return rd_w = (rd_w^(rd_w>>19)) ^ (t^(t>>8)); } struct node{ ll val,pri,cnt;; node *lch, *rch; node(ll val):val(val),cnt(1){ pri = rd(); lch = rch = NULL; } }; public: node *root; Treap():root(NULL){} private: ll count(node *t){return t==NULL?0:t->cnt;} node* update(node *t){t->cnt=count(t->lch)+count(t->rch)+1;return t;} node* merge(node *l, node *r){ if(!l || !r)return !l?r:l; if(l->pri > r->pri){ l->rch = merge(l->rch,r); return update(l); }else{ r->lch = merge(l,r->lch); return update(r); } } pair<node*,node*> split(node *t, ll k){ if(!t) return make_pair<node*,node*>(NULL,NULL); if(k <= count(t->lch)){ pair<node*,node*> s = split(t->lch,k); t->lch = s.second; return make_pair(s.first,update(t)); }else{ pair<node*,node*> s = split(t->rch,k-count(t->lch)-1); t->rch = s.first; return make_pair(update(t),s.second); } } ll __find(node *p,ll v){ if(!p)return 0; if(p->val==v)return count(p->lch); return (p->val > v)?__find(p->lch,v):(count(p->lch)+1+__find(p->rch,v)); } ll __less(node *p,ll v){ if(!p)return 0; return (p->val >= v)?__less(p->lch,v):(count(p->lch)+1+__less(p->rch,v)); } ll __less_eq(node *p,ll v){ if(!p)return 0; return (p->val > v)?__less_eq(p->lch,v):(count(p->lch)+1+__less_eq(p->rch,v)); } ll __get_at(node *p,ll k,ll acc){ if(!p)return -1; ll lc=count(p->lch); if(acc+lc==k)return p->val; if(acc+lc>k)return __get_at(p->lch,k,acc); if(acc+lc<k)return __get_at(p->rch,k,acc+lc+1); } public: void merge(Treap that){ root = merge(root, that.root); } Treap split(ll k){ Treap that; pair<node*,node*> p = split(root,k); root = p.first; that.root = p.second; return that; } void insert_at(ll v,ll k){ pair<node*,node*> p = split(root,k); node* nn = new node(v); root = merge(p.first, nn); root = merge(root, p.second); } void erase_at(ll k){ pair<node*,node*> p,q; q = split(root,k+1); p = split(q.first,k); root = merge(p.first, q.second); } void insert_by(ll v){ insert_at(v,__less(root,v)); } void erase_by(ll v){ erase_at(__find(root,v)); } ll count_less(ll v){ return __less(root,v); } ll count_less_equal(ll v){ return __less_eq(root,v); } ll get_at(ll k){ return __get_at(root,k,0); } ll size(){ return count(root); } }; int main(){ Treap tr; int q; scanf("%d",&q); ll add = 0ll; vl insrted; REP(tms,q){ int t,x; scanf("%d%d",&t,&x); if(t==1){ // insert tr.insert_by(x-add); insrted.push_back(x-add); // insrted[tms] = x-add; }else if(t==2){ // delete ll v = insrted[x-1]; tr.erase_by(v); }else if(t==3){ // + x add += x; } // query ll low = 0ll; ll high = 100001ll; while(low + 1 < high){ ll x = (low + high) / 2; ll cnt = tr.size() - tr.count_less(x-add); if(cnt >= x){ low = x; }else{ high = x; } } printf("%lld\n", low); } return 0; }