Submission #1156167

#	Time	Username	Problem	Language	Result	Execution time	Memory
1156167		minh30082008	Art Collections (BOI22_art)	C++20	100 / 100	770 ms	512 KiB

art

#include <cstdarg>
#include <cstdio>
#include <cstdlib>
#include <set>
#include <vector>

#include "art.h"

#include<bits/stdc++.h>
#define INF 1e18
#define fi first
#define se second
#define FOR(i, k, n) for(ll i = k; i <= n; i++)
#define FOR1(i, k, n) for(ll i = k; i >= n; i--)
#define pb push_back
#define fastio ios::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define vi vector<int>
#define pii pair<int, int>
#define vii vector<pii>
#define ll long long
#define vll vector<ll>
#define pll pair<ll, ll>
#define re return 0
#define mii map<int, int>
#define input "chinaflu.inp"
#define output "chinaflu.out"
#define rf 	freopen(input, "r", stdin); freopen(output, "w", stdout)
using namespace std;
const int maxn = 1e5 + 5;
const int mod = 1e9 + 9;
const int base = 998244353;
void add(int &a, int b) 
{
	a += b; 
	if(a >= mod) a -= mod; 
	if(a < 0) a += mod; 
}
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
int rand(int l, int r)
{
	return uniform_int_distribution<int>(l, r) (rd);
}

int A[4005], B[4005];

void solve(int n)
{
	vi ask;
	FOR(i, 1, n)
		ask.pb(i);
	int cnt = 0;
	while(true)
	{
		if(ask.back() == n && cnt)
			break;
		cnt = 1;
		int res = publish(ask);
		A[ask[0]] =  res;
		B[ask.back()] = res;
		ask.pb(ask[0]);
		ask.erase(ask.begin());
	}
	vi ans(n);
	FOR(i, 1, n)
	{
		int tmp = A[i] + B[i] - n + 1;
		tmp /= 2;
		tmp = A[i] - tmp;
		ans[tmp] = i;
	}
	answer(ans);
}

• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 20 / 20
• Subtask 6: 30 / 30