oj.uz

Submission #168223

# Submission time Handle Problem Language Result Execution time Memory
168223 2019-12-12T03:12:02 Z dimash241 Library (JOI18_library) C++17
0 / 100
 512 ms 536 KB 
#include<bits/stdc++.h>
#include "library.h"

#define F first
#define S second
#define pb push_back 
using namespace std;

bool SEND = 1;
                                         
//int Query(const std::vector<int>& M);
//void Answer(const std::vector<int>& res);
int n, a[2222];

int ask (const std::vector < int > &m) {
	if (SEND) {
		return Query(m);
	}

	int n = (int)m.size();
	int res = 0;
	for (int i = 0, j = 0; i < n; i ++) {
		j = i;
		while (j < n && m[a[j]]) j++;

		if (m[a[i]]) res ++;

		i = j;
	}
	assert(res > 0);
	return res;
}


void print (const std:: vector <int> &res) {
	if (SEND) {
		Answer(res);

	} else {
		for (auto x : res)
			cout << x << ' ';
		cout << '\n';
		exit(0);	
	}
}

int go (int n, int x, vector < int > &vec) {
	vector < int > all;
	for (int i = 0; i < n; i ++) if (vec[i]) {
		all.pb(i);
	}
	//cerr << all.size() << ' ' << x << '\n';
	
	
	if (all.size() == 1) {
		return all.back();
	}

	vector < int > p1(n, 0);
	vector < int > p2(n, 0);

	for (int i = 0; i < all.size(); i ++) {
		if (i < all.size() / 2) {
			p1[all[i]] = 1;
	//		cerr << all[i] << " r :";
		} else {
			p2[all[i]] = 1;
	//		cerr << all[i] << " w :";
		}
	}

	int was = ask(p1);
	//cerr << was << '\n';
	p1[x] = 1;

	if (ask(p1) == was) {
		p1[x] = 0;
	//	cerr << "tur1\n";
		return go(n, x, p1);
	}

	//cerr << "tur2\n";
	return go(n, x, p2);
}

void Solve(int n) {
	if (n == 1) {
		print({1});
		return;
	}
	vector < int > m(n, 1);
	int start = -1;
	for (int i = 0; i < n; i ++) {
		m[i] = 0;

		if (ask(m)) {
			start = i;
			break;
			
		}

		m[i] = 1;
	}
	vector < int > ans;
	ans.pb(start);
//	cout << start << '\n';
//	exit(0);

	for (int i = 1; i < n; i ++) {
		vector < int > vec(n, 1);
		for (auto x : ans) vec[x] = 0;
		
		int x = go(n, ans.back(), vec);
	//	cout << i << ' ' << x << '\n';
		ans.pb(x);
	}

	for (auto &to : ans) to++;

	print(ans);
}


// B...a

Compilation message

library.cpp: In function 'int go(int, int, std::vector<int>&)':
library.cpp:62:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < all.size(); i ++) {
                  ~~^~~~~~~~~~~~
library.cpp:63:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (i < all.size() / 2) {
       ~~^~~~~~~~~~~~~~~~

Subtask #1
0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 42 ms 376 KB Wrong Answer [8]
2 Incorrect 45 ms 248 KB Wrong Answer [8]
3 Incorrect 40 ms 248 KB Wrong Answer [8]
4 Incorrect 36 ms 324 KB Wrong Answer [8]
5 Incorrect 44 ms 376 KB Wrong Answer [8]
6 Incorrect 48 ms 376 KB Wrong Answer [8]
7 Incorrect 36 ms 248 KB Wrong Answer [8]
8 Incorrect 42 ms 376 KB Wrong Answer [8]
9 Incorrect 50 ms 376 KB Wrong Answer [8]
10 Incorrect 18 ms 400 KB Wrong Answer [8]
11 Correct 2 ms 248 KB # of queries: 0
12 Correct 2 ms 248 KB # of queries: 1
13 Incorrect 2 ms 248 KB Wrong Answer [8]
14 Correct 2 ms 380 KB # of queries: 7
15 Correct 3 ms 248 KB # of queries: 77
16 Incorrect 4 ms 324 KB Wrong Answer [8]

Subtask #2
0 / 81.0

# Verdict Execution time Memory Grader output
1 Incorrect 42 ms 376 KB Wrong Answer [8]
2 Incorrect 45 ms 248 KB Wrong Answer [8]
3 Incorrect 40 ms 248 KB Wrong Answer [8]
4 Incorrect 36 ms 324 KB Wrong Answer [8]
5 Incorrect 44 ms 376 KB Wrong Answer [8]
6 Incorrect 48 ms 376 KB Wrong Answer [8]
7 Incorrect 36 ms 248 KB Wrong Answer [8]
8 Incorrect 42 ms 376 KB Wrong Answer [8]
9 Incorrect 50 ms 376 KB Wrong Answer [8]
10 Incorrect 18 ms 400 KB Wrong Answer [8]
11 Correct 2 ms 248 KB # of queries: 0
12 Correct 2 ms 248 KB # of queries: 1
13 Incorrect 2 ms 248 KB Wrong Answer [8]
14 Correct 2 ms 380 KB # of queries: 7
15 Correct 3 ms 248 KB # of queries: 77
16 Incorrect 4 ms 324 KB Wrong Answer [8]
17 Incorrect 491 ms 408 KB Wrong Answer [8]
18 Incorrect 501 ms 536 KB Wrong Answer [8]
19 Incorrect 492 ms 420 KB Wrong Answer [8]
20 Incorrect 487 ms 412 KB Wrong Answer [8]
21 Incorrect 406 ms 424 KB Wrong Answer [8]
22 Incorrect 512 ms 496 KB Wrong Answer [8]
23 Incorrect 479 ms 424 KB Wrong Answer [8]
24 Incorrect 171 ms 324 KB Wrong Answer [8]
25 Incorrect 473 ms 452 KB Wrong Answer [8]
26 Incorrect 460 ms 504 KB Wrong Answer [8]
27 Incorrect 158 ms 320 KB Wrong Answer [8]
28 Correct 456 ms 504 KB # of queries: 15957
29 Correct 473 ms 412 KB # of queries: 15939
30 Correct 477 ms 376 KB # of queries: 15957