Submission #500287

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
500287	2021-12-30 15:38:27	sidon	Mechanical Doll (IOI18_doll)	C++17	100 / 100	117 ms	12824 KiB

doll

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#include <bits/stdc++.h>
using namespace std;
#include "doll.h"
vector<int> s, x(1<<18), y(1<<18), z(1<<18);
int cnt, v = -1, rt, b, n;
int dfs(int l, int r) {
  if(l >= n) return -1;
  if(r - l < 2) {
    return 1;
  } else {
    int m = (l + r) / 2;
    int u = cnt++;
    y[u] = dfs(l, m);
    x[u] = dfs(m, r);
    return -u-1;
  }
}
void create_circuit(int M, vector<int> A) {
  s.assign(M+1, -1);
  A.push_back(0);
  n = size(A);
  while((1<<b)<n) ++b;
  dfs(0, 1<<b);
  for(int &i : A) {
    int u = 0;
 
 
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• Subtask 1: 2 / 2
• Subtask 2: 4 / 4
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 18 / 18
• Subtask 6: 56 / 56