Submission #101602

#	Time	Username	Problem	Language	Result	Execution time	Memory
101602		briansu	Mechanical Doll (IOI18_doll)	C++14	37 / 100	185 ms	13496 KiB

doll

#include "doll.h"
//{
#include<bits/stdc++.h>
using namespace std;
typedef int ll;
typedef double lf;
typedef pair<ll,ll> ii;
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define FILL(i,n) memset(i,n,sizeof i)
#define X first
#define Y second
#define SZ(_a) (int)_a.size()
#define ALL(_a) _a.begin(),_a.end()
#define pb push_back
#ifdef brian
#define debug(...) do{\
    fprintf(stderr,"%s - %d (%s) = ",__PRETTY_FUNCTION__,__LINE__,#__VA_ARGS__);\
    _do(__VA_ARGS__);\
}while(0)
template<typename T>void _do(T &&_x){cerr<<_x<<endl;}
template<typename T,typename ...S> void _do(T &&_x,S &&..._t){cerr<<_x<<" ,";_do(_t...);}
template<typename _a,typename _b> ostream& operator << (ostream &_s,const pair<_a,_b> &_p){return _s<<"("<<_p.X<<","<<_p.Y<<")";}
template<typename It> ostream& _OUTC(ostream &_s,It _ita,It _itb)
{
    _s<<"{";
    for(It _it=_ita;_it!=_itb;_it++)
    {
        _s<<(_it==_ita?"":",")<<*_it;
    }
    _s<<"}";
    return _s;
}
template<typename _a> ostream &operator << (ostream &_s,vector<_a> &_c){return _OUTC(_s,ALL(_c));}
template<typename _a> ostream &operator << (ostream &_s,set<_a> &_c){return _OUTC(_s,ALL(_c));}
template<typename _a,typename _b> ostream &operator << (ostream &_s,map<_a,_b> &_c){return _OUTC(_s,ALL(_c));}
template<typename _t> void pary(_t _a,_t _b){_OUTC(cerr,_a,_b);cerr<<endl;}
#define IOS()
#else
#define debug(...)
#define pary(...)
#define endl '\n'
#define IOS() ios_base::sync_with_stdio(0);cin.tie(0);
#endif // brian
//}

const ll MAXn = 400000 + 5;

ll x[MAXn], y[MAXn];
vector<int> C, X, Y;
ll sit = 0;


ll nnd(){
  return --sit;
}

void build(int &now, vector<int> v)
{
  debug(v);
  if(SZ(v) == 1){
    now = v[0];
    return;
  }
  now = nnd();
  vector<int> a, b;
  if(SZ(v) % 2 != 0){
    a.pb(now);
    for(int i = 0;i < SZ(v);i += 2)b.pb(v[i]);
    for(int i = 1;i < SZ(v);i += 2)a.pb(v[i]);
  }else{
    for(int i = 0;i < SZ(v);i += 2)a.pb(v[i]);
    for(int i = 1;i < SZ(v);i += 2)b.pb(v[i]);
  }
  assert(SZ(a) == SZ(b));
  debug(a, b);
  build(x[- now - 1], a);
  build(y[- now - 1], b);
}

void create_circuit(int M, std::vector<int> A) {
  X.clear();Y.clear();C.clear();sit = 0;
  int rt;
  A.pb(0);
  build(rt, A);
  REP(i, M+1)C.pb(rt);
  REP(i, -sit)X.pb(x[i]), Y.pb(y[i]);
  answer(C, X, Y);
}

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 9 / 18
• Subtask 6: 28 / 56