Submission #1237379

#	Time	Username	Problem	Language	Result	Execution time	Memory
1237379		dosts	Mechanical Doll (IOI18_doll)	C++20	6 / 100	538 ms	11468 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
//#define int long long
#define pii pair<int,int>
#define vi vector<int>
#define ff first
#define ss second
#define sp << " " <<
#define all(x) x.begin(),x.end()
#define big(x) ((int)(x.size()))
using namespace std;
const int MOD = 1e9+7, LIM = 1e6+1, inf = 2e9;
int id = 0;
vi X,Y;
int newtree(const vi& v,int l,int r) {
  cerr << l sp r << endl;
  if (l == r) {
    return v[l-1];
  }
  if (l == r-1) {
    ++id;
    X.push_back(v[l-1]);
    Y.push_back(v[l]);
    return -id;
  }
  int m = (l+r) >> 1;
  int id1 = newtree(v,l,m);
  int id2 = newtree(v,m+1,r);
  ++id;
  X.push_back(id1);
  Y.push_back(id2);
  return -id;
}

void create_circuit(int M, std::vector<int> A) {
  int N = A.size();
  vi go[M+1];
  go[0].push_back(A[0]);
  for (int i=0;i<N-1;i++) go[A[i]].push_back(A[i+1]);
  go[A.back()].push_back(0);

  std::vector<int> C(M + 1);
  for (int i = 0; i <= M; ++i) {
    if (big(go[i])) C[i] = newtree(go[i],1,big(go[i]));
    else C[i] = i;
  }
  answer(C, X, Y);
}

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