Submission #312685

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
312685	2020-10-14 04:45:38	tengiz05	Mechanical Doll (IOI18_doll)	C++17	100 / 100	89 ms	10404 KiB

doll

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#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
const int inf = 2e9;
int sz=1, n, cnt=0;
void create_circuit(int m, vector<int> a) {
  a.push_back(0);
  n = a.size();
  while(sz < n)sz<<=1, cnt++;
  vector<int> t(sz*2);
  for(int i=0;i<sz;i++)t[i+sz] = inf;
  int tt = 0;
  vector<int> rev(sz);
  for(int i=0;i<sz;i++)rev[i] = rev[i/2]/2|((i&1)<<(cnt-1));
  int j=0;
  for(int i=0;i<sz;i++){
    if(rev[i] >= sz-n)t[rev[i]+sz] = a[j], j++;
    else t[rev[i]+sz] = inf;
  }
  vector<int> X, Y;
  for(int i=sz-1; i>0; i--){
    if(t[i*2] == inf && t[i*2+1] == inf)t[i] = inf;
    else {
      t[i] = --tt;
      X.push_back(t[i*2]);
      Y.push_back(t[i*2+1]);
    }
  }for(int i=0;i<(int)X.size();i++){
    if(X[i] == inf)X[i] = tt;
    if(Y[i] == inf)Y[i] = tt;
 
 
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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