제출 #835886

#제출 시각아이디문제언어결과실행 시간메모리
835886erdemkirazUnscrambling a Messy Bug (IOI16_messy)C++17
38 / 100
1 ms340 KiB
#include "messy.h"
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int, int> ii;

random_device rd;
mt19937 g(rd());

vector<int> restore_permutation(int n, int w, int r) {
  string s(n, '0');

  for (int i = 0; i < n; i++) {
    s[i] = '1';
    add_element(s);
  }

  compile_set();

  string known(n, '0');

  vector<int> went(n), p(n);

  for (int i = 0; i < n; i++) {
    vector<int> v;
    for (int j = 0; j < n; j++) {
      if (known[j] == '0') {
        v.push_back(j);
      }
    }
    shuffle(v.begin(), v.end(), g);
    for (int it = 0; it < (int)v.size(); it++) {
      int j = v[it];
      known[j] = '1';
      bool res = (it == (int)v.size() - 1 or check_element(known));
      if (res) {
        went[i] = j;
        break;
      }
      known[j] = '0';
    }
  }

  for (int i = 0; i < n; i++) {
    p[went[i]] = i;
  }

  return p;
}
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