Submission #863219

#	Time	Username	Problem	Language	Result	Execution time	Memory
863219		Cyber_Wolf	Lampice (COCI21_lampice)	C++17	50 / 50	0 ms	348 KiB

Main

#include <bits/stdc++.h>

using namespace std;

#define lg long long 

int main()
{
	lg n, k;
	cin >> n >> k;
	vector<lg> v(n);
	for(int i = 0; i < n; i++)
	{
		cin >> v[i];
	}
	vector<lg> ans;
	for(int i = 0; i < n; i++)
	{
		for(int j = i; j+(j-i+1)*(k-1) < n; j++)
		{
			bool b = 1;
			for(int l = i; l <= j; l++)
			{
				for(int z = 0; z < k; z++)
				{
					if(v[l] != v[l+z*(j-i+1)])
					{
						b = 0;
						break;
					}
				}
			}
			if(b)
			{
				for(int l = i; l <= j; l++)	ans.push_back(v[l]);
				break;
			}
		}
		if(ans.size())	break;
	}
	if(ans.empty())
	{
		cout << "-1\n";
		return 0;
	}
	cout << ans.size() << '\n';
	for(auto it : ans)	cout << it << ' ';
}

• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 25 / 25