Submission #590176

#	Time	Username	Problem	Language	Result	Execution time	Memory
590176		fabijan_cikac	Art Collections (BOI22_art)	C++17	100 / 100	1811 ms	624 KiB

art

#include <bits/stdc++.h>

using namespace std;

#include "art.h"

const int MAXN = 4010;

/*int publish(vector<int> v){
	cout << "u: ";
	for (int i = 0; i < v.size(); ++i)
		cout << v[i] << ' ';
	cout << endl;
	int x; cin >> x; return x;
}

void answer(vector<int> v){
	for (int i = 0; i < v.size(); ++i) cout << v[i] << ' ';
}*/

int l[MAXN]; int bio[MAXN] = { 0 };
void solve(int N){
	vector<int> sol; vector<int> v;
	for (int i = 1; i <= N; ++i)
		v.push_back(i);
	for (int i = 0; i < N; ++i){
		l[i] = publish(v); reverse(v.begin(), v.end());
		v.pop_back(); reverse(v.begin(), v.end()); v.push_back(i + 1);
	}
	vector<int> s;
	for (int i = 0; i < N; ++i)
		s.push_back(i);
	for (int i = 0; i < N; ++i){
		/*for (int i = 0; i < s.size(); ++i)
			cout << l[s[i]] << ' ';
		cout << endl;*/
		if (i == N - 1){
			int x = 0;
			while (bio[x]) ++x;
			//cout << x << endl;
			sol.push_back(x + 1); break;
		}
		int x = 0; //cout << ':' << endl;
		while (l[s[(x + 1) % int(s.size())]] - l[s[x]] != N - i - 1) ++x;
		sol.push_back(s[x] + 1); bio[s[x]] = 1;
		int y = (x - 1 + s.size()) % int(s.size()); int cnt = 1;
		//cout << 'b' << ' ' << x << ' ' << y << endl;
		while (y != x){
			l[s[y]] -= cnt; ++cnt;
			y = (y - 1 + s.size()) % int(s.size());
		}
		s.erase(s.begin() + x);
		//cout << 'a' << endl;
	}
	answer(sol);
}

/*int main(){
	solve(3);
}*/

Compilation message (stderr)

interface.cpp: In function 'int publish(std::vector<int>)':
interface.cpp:20:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   20 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~
interface.cpp: In function 'void answer(std::vector<int>)':
interface.cpp:36:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~

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