Submission #218084

#	Time	Username	Problem	Language	Result	Execution time	Memory
218084		extraterrestrial	Library (JOI18_library)	C++14	19 / 100	3095 ms	632 KiB

library

#include "library.h"
#include <bits/stdc++.h>
typedef long long ll;
typedef long double ld;
using namespace std;
#define F first
#define S second
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define SZ(x) (int)(x).size()

void Solve(int n) {
  if (n == 1) {
    Answer({1});
    return;
  }
  vector<vector<int>> g(n + 1);
	for (int i = 1; i < n; i++) {
    for (int j = i + 1; j <= n; j++) {
      vector<int> m(n, 0);
      m[i - 1] = m[j - 1] = 1;
      if (Query(m) == 1) {
        g[i].pb(j);
        g[j].pb(i);
      }
    }
  }
  int fs = -1;
  for (int i = 1; i <= n; i++) {
    if (SZ(g[i]) == 1) {
      fs = i;
      break;
    }
  }
  assert(fs != -1);
  vector<int> res = {fs};
  int prv = 0, cur = fs;
  for (int i = 1; i < n; i++) {
    for (int nxt : g[cur]) {
      if (nxt != prv) {
        res.pb(nxt);
        prv = cur;
        cur = nxt;
        break;
      }
    }
  }
  assert(SZ(res) == n);
  Answer(res);
}

• Subtask 1: 19 / 19
• Subtask 2: 0 / 81