제출 #109482

#제출 시각아이디문제언어결과실행 시간메모리
109482nikolapesic2802자동 인형 (IOI18_doll)C++14
81.15 / 100
188 ms18072 KiB
#include <bits/stdc++.h> #define ll long long #define pb push_back #define f first #define s second #define sz(x) (int)x.size() #define all(x) x.begin(), x.end() using namespace std; template<class T1, class T2> ostream& operator<<(ostream& os, const pair<T1,T2>& a) { os << '{' << a.f << ", " << a.s << '}'; return os; } template<class T> ostream& operator<<(ostream& os, const vector<T>& a){os << '{';for(int i=0;i<sz(a);i++){if(i>0&&i<sz(a))os << ", ";os << a[i];}os<<'}';return os;} void answer(std::vector<int> C, std::vector<int> X, std::vector<int> Y); struct node{ int x,y; node(){x=-1;y=-1;} }; const int NMAX=6e5+5; vector<node> graf(NMAX); vector<int> flipped(NMAX); int stigao; void build(int tr,vector<int> izlazi) { vector<int> levo,desno; for(int i=0;i<(int)izlazi.size();i++) if(i%2) desno.pb(izlazi[i]); else levo.pb(izlazi[i]); bool isto=true; for(int i=1;i<(int)levo.size();i++) if(levo[i]!=levo[0]) { isto=false; break; } if(isto) graf[tr].x=levo[0]; else { graf[tr].x=stigao; stigao++; build(graf[tr].x,levo); } isto=true; for(int i=1;i<(int)desno.size();i++) if(desno[i]!=desno[0]) { isto=false; break; } if(isto) graf[tr].y=desno[0]; else { graf[tr].y=stigao; stigao++; build(graf[tr].y,desno); } } void construct(int i,vector<int> d) { if(d.size()==0) d.pb(0); if(d.size()==1) { graf[i].x=d[0]; return; } graf[i].x=stigao; stigao++; int sz=2; while(sz<(int)d.size()) sz*=2; int koliko=0; koliko=sz-d.size(); vector<int> bld; for(int j=0;j<(int)d.size();j++) { if(j<koliko) bld.pb(graf[i].x); bld.pb(d[j]); } build(graf[i].x,bld); } void create_circuit(int m, vector<int> a) { int n=a.size(); vector<vector<int> > ide(m+1); for(int i=0;i<=m;i++) graf[i].y=-1; graf[0].x=a[0]; for(int i=1;i<n;i++) ide[a[i-1]].pb(a[i]); ide[a.back()].pb(0); stigao=m+1; for(int i=1;i<=m;i++) construct(i,ide[i]); vector<int> A,X,Y; for(int i=0;i<=m;i++) if(graf[i].x>m) A.pb(m-graf[i].x); else A.pb(graf[i].x); for(int i=m+1;i<stigao;i++) { if(graf[i].x>m) X.pb(m-graf[i].x); else X.pb(graf[i].x); if(graf[i].y>m) Y.pb(m-graf[i].y); else Y.pb(graf[i].y); } answer(A,X,Y); }
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