답안 #951005

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
951005 2024-03-21T04:01:20 Z GrandTiger1729 Toxic Gene (NOI23_toxic) C++17
93.25 / 100
15 ms 600 KB
#include "toxic.h"
#include <bits/stdc++.h>
using namespace std;

const int K = 8, T = 30;
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);
	srand(mt19937(time(0))() + 777771449);
	random_shuffle(ord.begin(), ord.end());
	string ans(n + 1, 'R');
	int cnt = 0;
	int tt = -1;
	vector<int> stk;
	int i = 0;
	while (cnt < T && 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]);
			}
			int x = min(stk.size(), K - qry.size());
			for (int k = 0; k < x; k++)
			{
				qry.push_back(stk.end()[-1 - k]);
			}
			xx = query_sample(encode(qry));
			if (xx == (1 << qry.size()) - 1)
			{
				stk.insert(stk.end(), qry.begin(), qry.end());
				i = j;
				continue;
			}
			else
			{
				for (int k = j - i; k < qry.size(); k++)
				{
					ans[qry[k]] = (xx >> k & 1) ? 'S' : 'R';
				}
				for (int k = 0; k < x; k++)
				{
					stk.pop_back();
				}
			}
		}
		int l = i, r = j;
		auto make_query = [&](int mid)
		{
			vector<int> qry;
			for (int k = l; 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;
		};
		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 - l);
				for (int k = mid - l; k < qry.size(); k++)
				{
					ans[qry[k]] = (res >> k & 1) ? 'S' : 'R';
				}
				for (int k = 0; k < x; k++)
				{
					stk.pop_back();
				}
				r = mid;
			}
		}
		for (int k = 0; k < l - i; k++)
		{
			ans[ord[i + k]] = (xx >> k & 1) ? 'S' : 'R';
		}
		ans[ord[l]] = 'T';
		i = l + 1;
		tt = ord[l];
		cnt++;
	}
	while (i < n)
	{
		stk.push_back(ord[i++]);
	}
	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';
		}
	}
	for (int j = 1; j <= n; j++)
	{
		answer_type(j, ans[j]);
	}
}

Compilation message

toxic.cpp: In function 'void determine_type(int)':
toxic.cpp:54:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |     for (int k = j - i; k < qry.size(); k++)
      |                         ~~^~~~~~~~~~~~
toxic.cpp:91:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |     for (int k = mid - l; k < qry.size(); k++)
      |                           ~~^~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 10 ms 348 KB Output is correct
3 Correct 10 ms 348 KB Output is correct
4 Correct 10 ms 524 KB Output is correct
5 Correct 12 ms 504 KB Output is correct
6 Correct 15 ms 348 KB Output is correct
7 Correct 14 ms 348 KB Output is correct
8 Correct 15 ms 344 KB Output is correct
9 Correct 12 ms 344 KB Output is correct
10 Correct 11 ms 344 KB Output is correct
11 Correct 11 ms 348 KB Output is correct
12 Correct 10 ms 348 KB Output is correct
13 Correct 10 ms 348 KB Output is correct
14 Correct 10 ms 516 KB Output is correct
15 Correct 11 ms 508 KB Output is correct
16 Partially correct 11 ms 508 KB Partially correct
17 Correct 11 ms 344 KB Output is correct
18 Partially correct 11 ms 508 KB Partially correct
19 Correct 11 ms 348 KB Output is correct
20 Partially correct 11 ms 344 KB Partially correct
21 Partially correct 11 ms 600 KB Partially correct
22 Correct 10 ms 348 KB Output is correct
23 Correct 9 ms 348 KB Output is correct
24 Correct 14 ms 348 KB Output is correct
25 Correct 10 ms 348 KB Output is correct
26 Correct 10 ms 348 KB Output is correct
27 Correct 10 ms 508 KB Output is correct
28 Correct 10 ms 348 KB Output is correct
29 Correct 11 ms 500 KB Output is correct
30 Correct 11 ms 348 KB Output is correct
31 Correct 11 ms 348 KB Output is correct
32 Correct 11 ms 344 KB Output is correct
33 Correct 11 ms 348 KB Output is correct
34 Correct 11 ms 348 KB Output is correct
35 Correct 13 ms 348 KB Output is correct
36 Correct 3 ms 344 KB Output is correct