Submission #147106

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
147106	2019-08-27 14:00:12	dolphingarlic	Mechanical Doll (IOI18_doll)	C++14	100 / 100	146 ms	10396 KiB

doll

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#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
int N, P = 1, switches = 1;
vector<int> X(1<<19), Y(1<<19);
bool state[1<<19];
int build(int l, int r) {
  if (l >= r) return 0;
  if (r < P - N) return -1;
  int ts = switches++, mid = (l + r) / 2;
  X[ts - 1] = build(l, mid);
  Y[ts - 1] = build(mid + 1, r);
  return -ts;
}
void point(int i, int j) {
  int &a = state[-i] ? Y[-i - 1] : X[-i - 1];
  state[-i] = !state[-i];
  if (!a) a = j;
  else point(a, j);
}
void create_circuit(int M, vector<int> A) {
  N = A.size();
    while (P < N) P *= 2;
 
 
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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