Submission #810964

#	Time	Username	Problem	Language	Result	Execution time	Memory
810964		taher	Ancient Machine 2 (JOI23_ancient2)	C++17	0 / 100	0 ms	208 KiB

ancient2

#include "ancient2.h"

#include <bits/stdc++.h>

using namespace std;

string Solve(int N) {
  string s;

  const int M = 1002;
  vector<int> a(M + 1);
  vector<int> b(M + 1);
  a[0] = 1;
  a[1] = 1;
  b[1] = 1;

  b[0] = 2;
  b[2] = 2;
  a[2] = 2;

  for (int i = 0; i < N; i++) {
    int ret = Query(M, a, b);

    if (ret == i + 1) {
      s += '0';
      a[i] = i + 1;
    } else {
      s += '1';
      b[i] = i + 1;
    }

    a[i + 1] = i + 2;
    a[i + 2] = i + 2;
    b[i + 2] = i + 2;

    b[i + 1] = i + 3;
    b[i + 3] = i + 3;
    a[i + 3] = i + 3;
  }

  return s;
}

• Subtask 1: 0 / 100