Submission #1097505

#	Time	Username	Problem	Language	Result	Execution time	Memory
1097505		Alihan_8	Library (JOI18_library)	C++17	100 / 100	254 ms	848 KiB

library

#include "library.h"

#include <bits/stdc++.h>

using namespace std;

#define pb push_back

int n;

int qry(vector <int> p){
	vector <int> M(n);
	
	for ( auto &x: p ) M[x] = 1;
	
	return Query(M);
}

void Solve(int N){ 
	if ( N == 1 ){
		vector <int> res = {1};
		Answer(res);
		return;
	}
	
	n = N;
	
	int st = -1;
	
	vector <int> M(n, 1), res(n);
	
	for ( int i = 0; i < n; i++ ){
		M[i] = 0;
		if ( Query(M) == 1 ){
			st = i; break;
		} M[i] = 1;
	}
	
	vector <int> chk(n);
	
	res[0] = st; chk[st] = 1;
	
	for ( int i = 1; i < n; i++ ){
		vector <int> q;
		
		for ( int j = 0; j < n; j++ ){
			if ( !chk[j] ) q.pb(j);
		}
		
		int u = 0, m = q.size();
		
		for ( int lg = 0; lg <= 10; lg++ ){
			vector <int> t;
			
			for ( int j = 0; j < m; j++ ){
				if ( j >> lg & 1 ) t.pb(q[j]);
			}
			
			if ( t.empty() ) continue;
			
			int w = qry(t); t.pb(res[i - 1]);
			
			if ( w == qry(t) ){
				u |= 1 << lg;
			}
		}
		
		res[i] = q[u]; chk[q[u]] = 1;
	}
	
	for ( auto &x: res ) x++;
	
	Answer(res);
}

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