Submission #1024871

#	Time	Username	Problem	Language	Result	Execution time	Memory
1024871		Malix	Mechanical Doll (IOI18_doll)	C++14	16 / 100	52 ms	12640 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vii;
typedef pair<int,int> pi;
typedef vector<pi> pii;
typedef tuple<int,int,int> tii;

#define REP(i,a,b) for(int i=a;i<b;i++)
#define F first
#define S second
#define PB push_back
#define MP make_pair
#define LSOne(s) ((s)&(-s))

ll INF=1e18+10;
int inf=1e9+10;
ll M=1e9+7;

void create_circuit(int M, std::vector<int> A) {
  int n=A.size();
  vi c,x,y;
  vi a(M+1,0);
  vii b(M+1);
  REP(i,0,n)a[A[i]]++;
  REP(i,0,n-1)b[A[i]].PB(A[i+1]);
  b[A[n-1]].PB(0);
  c.resize(M+1,0);
  c[0]=A[0];
  int k=0;
  REP(i,1,M+1){
    if(a[i]==0)continue;
    if(a[i]==1)c[i]=b[i][0];
    else if(a[i]==2){
      c[i]=k-1;
      k--;
      x.PB(b[i][0]);
      y.PB(b[i][1]);
    }
    else if(a[i]==3){
      c[i]=k-1;
      k--;
      x.PB(k-1);
      y.PB(k-2);
      x.PB(k);
      y.PB(b[i][1]);
      x.PB(b[i][0]);
      y.PB(b[i][2]);
      k-=2;
    }
    else{
      c[i]=k-1;
      k--;
      x.PB(k-1);
      y.PB(k-2);
      x.PB(b[i][0]);
      y.PB(b[i][2]);
      x.PB(b[i][1]);
      y.PB(b[i][3]);
      k-=2;
    }
  }
  // for(auto u:c)cerr<<u<<" ";
  // cerr<<"\n";
  // for(auto u:x)cerr<<u<<" ";
  // cerr<<"\n";
  // for(auto u:y)cerr<<u<<" ";
  // cerr<<"\n";
  answer(c,x,y);
}

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