Submission #1017504

#	Time	Username	Problem	Language	Result	Execution time	Memory
1017504		vjudge1	Lampice (COCI21_lampice)	C++17	0 / 50	0 ms	348 KiB

Main

#include <iostream>
#include <vector>
using namespace std;

int main() {
    int n, k;
    cin >> n >> k;
    vector<int> a(n);
    for (int i = 0; i < n; ++i) {
        cin >> a[i];
    }

    for (int l = 1; l <= n / k; ++l) {
        bool flag = true;
        for (int i = 0; i < l; ++i) {
            for (int j = 1; j < k; ++j) {
                if (a[i] != a[j * l + i]) {
                    flag = false;
                    break;
                }
            }
            if (!flag) break;
        }
        if (flag) {
            cout << l << endl;
            for (int i = 0; i < l; ++i) {
                cout << a[i] << " ";
            }
            cout << endl;
            return 0;
        }
    }

    cout << -1 << endl;
    return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 15
• Subtask 3: 0 / 25