제출 #735438

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
735438		keisuke6	즐거운 행로 (APIO20_fun)	C++14	0 / 100	2062 ms	296 KiB

fun

#include <iostream>
#include <queue>
#include <vector>
#include <set>
using namespace std;
std::vector<int> createFunTour(int N, int Q) {
  vector<int> A = {};
  while(N > 1){
    int d = 0;
    while((1<<(d+1)) <= N) d++;
    if(N+1-(1<<d) > (1<<(d-1))){
      int s = (1<<d)+(1<<(d+1))-3;
      int c = 0;
      for(int i=(1<<d)-1;i<(1<<d)-1+(1<<(d-1));i++)if(s-i < N){
        A.push_back(i);
        A.push_back(s-i);
        c += 2;
      }
      N -= c;
      continue;
    }
    if(N+1-(1<<d) > ((1<<(d-1))-1)/2+1){
      int s = (1<<d)+(1<<d)+(1<<(d-1))-3;
      int c = 0;
      for(int i=0;i<(1<<(d-1))/2;i++)if(s-i < N){
        A.push_back(i);
        A.push_back(s-1);
        c+=2;
      }
      N -= c;
      continue;
    }
    int c = 0;
    for(int i=(1<<d)-1;i<N;i++){
      c += 2;
      A.push_back(i);
      A.push_back(i-1);
    }
    N -= c;
  }
  if(N == 1) A.push_back(0);
  return A;
}

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