Submission #516294

#	Time	Username	Problem	Language	Result	Execution time	Memory
516294		penguinhacker	Lampice (COCI21_lampice)	C++14	50 / 50	1 ms	316 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ar array

const int mxN=50;
int n, k, a[mxN];

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> k;
	for (int i=0; i<n; ++i)
		cin >> a[i];
	for (int i=0; i<n; ++i)
		for (int j=i; j<n; ++j) {
			if ((j-i+1)%k!=0)
				continue;
			int len=(j-i+1)/k;
			bool ok=1;
			for (int k=i; k<=j; ++k)
				ok&=a[k]==a[(k-i)%len+i];
			if (ok) {
				cout << len << "\n";
				for (int k=0; k<len; ++k)
					cout << a[i+k] << " ";
				return 0;
			}
		}
	cout << -1;
	return 0;
}

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