Submission #821938

#	Time	Username	Problem	Language	Result	Execution time	Memory
821938		beaconmc	Ancient Machine 2 (JOI23_ancient2)	C++17	37 / 100	113 ms	680 KiB

ancient2

#include "ancient2.h"


#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

typedef long long ll;
using namespace std;
//using namespace __gnu_pbds;

#define FOR(i, x, y) for(ll i=x; i<y; i++)
#define FORNEG(i, x, y) for(ll i=x; i>y; i--)
//#define ordered_set tree<ll, null_type,less_equal<ll>, rb_tree_tag,tree_order_statistics_node_update>
#define fast() ios_base::sync_with_stdio(false);cin.tie(NULL)


std::string Solve(int N) {
  vector<int> a(502), b(502);
  a[500] = 500;
  b[500] = 500;
  a[501] = 501;
  b[501] = 501;

  string sus = "";

  FOR(i,0,500){
    FOR(j,0,500){
      if (j==i) a[j] = 500, b[j] = 501;
      else a[j] =j+1, b[j] = j+1;
    }
    ll ans = Query(502, a, b);
    if (ans==500) sus = sus + "0";
    else sus = sus + "1";
  }

  FOR(i,0,500){
    FOR(j,0,500){
      a[j] =j+1, b[j] = j+1;

      if (j==499){
        a[j] = 0, b[j] = 0;
      }

      if (i==j){
        if (sus[j] == '0'){
          b[j] = 501;
        }else{
          a[j] = 501;
        }
      }
    }
    

    ll ans = Query(502, a, b);

    if (ans<500){
      if (sus[i] == '0') sus = sus + "0";
      else sus = sus + "1";
    }else{
      if (sus[i] == '0') sus = sus + "1";
      else sus = sus + "0";
    }
  }


  return sus;



}

• Subtask 1: 37 / 100