제출 #954852

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
954852	2024-03-28 17:39:22	Trisanu_Das	자동 인형 (IOI18_doll)	C++17	37 / 100	57 ms	11168 KiB

doll

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#include <bits/stdc++.h>
#include "doll.h"
using namespace std;
 
vector<int> seq, X, Y, C;
int sz, dpth, layer;
 
void dfs(int u, int d, int v){
  if(d < dpth){
    dfs(u * 2, d + 1, v);
    dfs(u * 2 + 1, d + 1, v + (1 << (d - 1)));
    X[u - 1] = -u * 2; Y[u - 1] = X[u - 1] - 1;
  }else{
    X[u - 1] = (v >= sz - 1 ? -1 : seq[v]);
    if(v + (1 << (d - 1)) == (1 << dpth) - 1) Y[u - 1] = 0;
    else Y[u - 1] = (v + (1 << (d - 1)) >= sz - 1 ? -1 : seq[v + (1 << (d - 1))]);
  }
}
 
void create_circuit(int M, vector<int> A){
  seq.clear(), X.clear(), Y.clear(), C.clear();
  seq = A;
  sz = seq.size() + 1;
  dpth = log2(sz);
  if((1 << dpth) != sz) dpth++;
  layer = (1 << dpth) - 1;
  X.resize(layer), Y.resize(layer), C.resize(M + 1);
  dfs(1, 1, 0);
  for(int i = 0; i <= M; i++) C[i] = -1;
  answer(C, X, Y);
 
 
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