답안 #950984

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
950984 2024-03-21T03:28:37 Z GrandTiger1729 Toxic Gene (NOI23_toxic) C++17
91.9 / 100
61 ms 1620 KB
#include "toxic.h"
#include <bits/stdc++.h>
using namespace std;

const int K = 8;
vector<int> encode(vector<int> qry)
{
	int n = qry.size();
	vector<int> ret;
	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < (1 << i); j++)
		{
			ret.push_back(qry[i]);
		}
	}
	return ret;
}
void determine_type(int n)
{
	vector<int> ord(n);
	iota(ord.begin(), ord.end(), 1);
	random_shuffle(ord.begin(), ord.end());
	string ans(n + 1, 'R');
	int tt = -1;
	vector<int> stk;
	int i = 0;
	while (i < n)
	{
		int j = min(n, i + K);
		int xx = -1;
		{
			vector<int> qry;
			for (int k = i; k < j; k++)
			{
				qry.push_back(ord[k]);
			}
			xx = query_sample(encode(qry));
			if (xx == (1 << qry.size()) - 1)
			{
				stk.insert(stk.end(), qry.begin(), qry.end());
				i = j;
				continue;
			}
		}
		auto make_query = [&](int mid)
		{
			vector<int> qry;
			for (int k = i; k < mid; k++)
			{
				qry.push_back(ord[k]);
			}
			int x = min(stk.size(), K - qry.size());
			for (int k = 0; k < x; k++)
			{
				qry.push_back(stk.end()[-1 - k]);
			}
			return qry;
		};
		int l = i, r = j;
		while (l < r - 1)
		{
			int mid = (l + r) / 2;
			vector<int> qry = make_query(mid);
			int res = query_sample(encode(qry));
			if (res == (1 << qry.size()) - 1)
			{
				l = mid;
			}
			else
			{
				int x = qry.size() - (mid - i);
				for (int k = mid - i; k < qry.size(); k++)
				{
					ans[qry[k]] = (res >> k & 1) ? 'S' : 'R';
				}
				for (int k = 0; k < x; k++)
				{
					stk.pop_back();
				}
				r = mid;
			}
		}
		vector<int> qry = make_query(l);
		for (int k = 0; k < l - i; k++)
		{
			ans[qry[k]] = (xx >> k & 1) ? 'S' : 'R';
		}
		cerr << "ans " << ans << endl;
		ans[ord[l]] = 'T';
		cerr << "OK " << l << ' ' << ord[l] << endl;
		i = l + 1;
		tt = ord[l];
	}
	cerr << ans << endl;
	for (int j = 0; j < stk.size(); j++)
	{
		cerr << stk[j] << endl;
	}
	cerr << "tt " << tt << endl;
	while (stk.size())
	{
		int x = min((int)stk.size(), K);
		vector<int> qry;
		for (int k = 0; k < x; k++)
		{
			qry.push_back(stk.back());
			stk.pop_back();
		}
		auto tmp = encode(qry);
		tmp.push_back(tt);
		int res = query_sample(tmp);
		for (int k = 0; k < (int)qry.size(); k++)
		{
			ans[qry[k]] = (res >> k & 1) ? 'S' : 'R';
		}
	}
	cerr << ans << endl;
	for (int j = 1; j <= n; j++)
	{
		answer_type(j, ans[j]);
	}
}

Compilation message

toxic.cpp: In function 'void determine_type(int)':
toxic.cpp:73:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |     for (int k = mid - i; k < qry.size(); k++)
      |                           ~~^~~~~~~~~~~~
toxic.cpp:96:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   96 |  for (int j = 0; j < stk.size(); j++)
      |                  ~~^~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 57 ms 1092 KB Output is correct
3 Partially correct 58 ms 936 KB Partially correct
4 Correct 54 ms 1108 KB Output is correct
5 Partially correct 46 ms 1360 KB Partially correct
6 Partially correct 50 ms 1620 KB Partially correct
7 Partially correct 45 ms 1484 KB Partially correct
8 Partially correct 45 ms 1364 KB Partially correct
9 Partially correct 54 ms 1416 KB Partially correct
10 Partially correct 46 ms 1364 KB Partially correct
11 Partially correct 57 ms 1364 KB Partially correct
12 Correct 60 ms 1104 KB Output is correct
13 Correct 56 ms 916 KB Output is correct
14 Partially correct 61 ms 904 KB Partially correct
15 Partially correct 45 ms 1364 KB Partially correct
16 Correct 51 ms 1420 KB Output is correct
17 Partially correct 45 ms 1308 KB Partially correct
18 Partially correct 46 ms 1412 KB Partially correct
19 Partially correct 53 ms 1364 KB Partially correct
20 Partially correct 45 ms 1360 KB Partially correct
21 Partially correct 45 ms 1364 KB Partially correct
22 Correct 54 ms 1132 KB Output is correct
23 Correct 56 ms 960 KB Output is correct
24 Partially correct 56 ms 1104 KB Partially correct
25 Correct 54 ms 1104 KB Output is correct
26 Correct 55 ms 960 KB Output is correct
27 Correct 56 ms 1100 KB Output is correct
28 Correct 59 ms 1108 KB Output is correct
29 Partially correct 45 ms 1360 KB Partially correct
30 Correct 45 ms 1364 KB Output is correct
31 Partially correct 46 ms 1364 KB Partially correct
32 Partially correct 45 ms 1360 KB Partially correct
33 Partially correct 46 ms 1360 KB Partially correct
34 Partially correct 45 ms 1428 KB Partially correct
35 Partially correct 45 ms 1360 KB Partially correct
36 Partially correct 6 ms 484 KB Partially correct