Submission #950908

#	Time	Username	Problem	Language	Result	Execution time	Memory
950908		qwe1rt1yuiop1	Toxic Gene (NOI23_toxic)	C++17	2.78 / 100	9 ms	604 KiB

toxic

#include "toxic.h"
using namespace std;
#include <bits/stdc++.h>

vector<int> v;
string ans;

void ac(int x, char c)
{
	assert(ans[x] == '0');
	answer_type(x, c);
	ans[x] = c;
}

int qry()
{
	return query_sample(v);
}

int qry1(int l, int r)
{
	v.clear();
	for (int i = l; i <= r; ++i)
		v.emplace_back(i);
	return qry();
}

void determine_type(int n)
{
	ans.assign(n + 1, '0');
	vector<int> t;
	t.emplace_back(0);
	while (1)
	{
		int l = t.back() + 1, r = n;
		if (qry1(l, r) == r - l + 1)
			break;
		while (l < r)
		{
			int mid = (l + r) >> 1;
			if (qry1(l, mid) == mid - l + 1)
				l = mid + 1;
			else
				r = mid;
		}
		t.emplace_back(l);
		ac(l, 'T');
	}

	for (int i = 1; i <= n; ++i)
		if (ans[i] == '0')
		{
			v.clear();
			v.emplace_back(t.back());
			v.emplace_back(i);
			if (qry() == 1)
				ac(i, 'S');
			else
				ac(i, 'R');
		}
}

• Subtask 1: 2.7807692299999998 / 100