답안 #951337

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
951337	2024-03-21T15:48:56 Z	GrandTiger1729	Toxic Gene (NOI23_toxic)	C++17	94.6 / 100	43 ms	852 KB

toxic

#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);
	string ans(n + 1, 'R');
	int cnt = 0;
	int tt = -1;
	vector<int> stk;
	int i = 0;
	while (cnt < T && i < n)
	{
		shuffle(ord.begin() + i, ord.end(), mt19937(time(0) + 777771449));
		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;
		while (l < r && xx >> (l - i) & 1)
		{
			l++;
		}
		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:53:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |     for (int k = j - i; k < qry.size(); k++)
      |                         ~~^~~~~~~~~~~~
toxic.cpp:94:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   94 |     for (int k = mid - l; k < qry.size(); k++)
      |                           ~~^~~~~~~~~~~~

Subtask #1

94.6 / 100.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	33 ms	516 KB	Output is correct
3	Correct	32 ms	516 KB	Output is correct
4	Correct	32 ms	348 KB	Output is correct
5	Correct	38 ms	348 KB	Output is correct
6	Correct	40 ms	348 KB	Output is correct
7	Correct	38 ms	348 KB	Output is correct
8	Correct	38 ms	348 KB	Output is correct
9	Correct	38 ms	344 KB	Output is correct
10	Correct	43 ms	348 KB	Output is correct
11	Correct	37 ms	344 KB	Output is correct
12	Correct	35 ms	852 KB	Output is correct
13	Correct	33 ms	348 KB	Output is correct
14	Correct	32 ms	344 KB	Output is correct
15	Partially correct	37 ms	344 KB	Partially correct
16	Correct	37 ms	348 KB	Output is correct
17	Correct	37 ms	348 KB	Output is correct
18	Partially correct	37 ms	344 KB	Partially correct
19	Correct	38 ms	348 KB	Output is correct
20	Correct	39 ms	360 KB	Output is correct
21	Correct	36 ms	348 KB	Output is correct
22	Correct	32 ms	348 KB	Output is correct
23	Correct	31 ms	348 KB	Output is correct
24	Correct	33 ms	848 KB	Output is correct
25	Correct	38 ms	516 KB	Output is correct
26	Correct	34 ms	600 KB	Output is correct
27	Correct	33 ms	344 KB	Output is correct
28	Correct	32 ms	348 KB	Output is correct
29	Partially correct	37 ms	348 KB	Partially correct
30	Correct	37 ms	348 KB	Output is correct
31	Correct	39 ms	348 KB	Output is correct
32	Correct	37 ms	348 KB	Output is correct
33	Correct	36 ms	348 KB	Output is correct
34	Correct	37 ms	348 KB	Output is correct
35	Correct	37 ms	348 KB	Output is correct
36	Partially correct	5 ms	512 KB	Partially correct