Submission #595629

#	Time	Username	Problem	Language	Result	Execution time	Memory
595629		vh50	Art Collections (BOI22_art)	C++17	20 / 100	26 ms	216 KiB

art

#include <bits/stdc++.h>
#include "art.h"
using namespace std;
void solve(int N)
{
	vector <int> v, f;
	for(int i = 1; i <= N; i++)	{v.push_back(i); f.push_back(0);}
	if(N <= 6)
	{
		while(publish(v))
		{
			next_permutation(v.begin(), v.end());
		}
		answer(v);
	}
	else if(N <= 40)
	{
		for(int i = 0; i < N; i++)
			for(int j = i + 1; j < N; j++)
			{
				swap(v[0], v[i]);
				swap(v[1], v[j]);
				int k = publish(v);
				swap(v[0], v[1]);
				if(k - publish(v) == 1)	f[i]++;
				else	f[j]++;
				swap(v[0], v[1]);
				swap(v[1], v[j]);
				swap(v[0], v[i]);
			}
		for(int i = 0; i < N; i++)
		{
			v[f[i]] = i + 1; 
		}
		answer(v);
	}
}	

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: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30