Submission #672062

#	Time	Username	Problem	Language	Result	Execution time	Memory
672062		LittleCube	Art Collections (BOI22_art)	C++17	100 / 100	1536 ms	676 KiB

art

#include "art.h"
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define F first
#define S second
using namespace std;

int vis[4005], arr[4005];

void solve(int N)
{
	vector<int> ans(N);

	for (int i = 1; i <= N; i++)
	{
		vector<int> v;
		for (int j = i; j <= N; j++)
			v.emplace_back(j);
		for (int j = 1; j < i; j++)
			v.emplace_back(j);
		arr[i] = publish(v);
	}
	arr[N + 1] = arr[1];
	for (int i = 1; i <= N; i++)
	{
		// A + B = N - 1, B - A = arr[i + 1] - arr[i];
		int A = N - 1 + arr[i] - arr[i + 1];
		A /= 2;
		ans[A] = i;
	}
	answer(ans);
}

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