Submission #510380

#	Time	Username	Problem	Language	Result	Execution time	Memory
510380		KoD	Lampice (COCI21_lampice)	C++17	50 / 50	1 ms	332 KiB

Main

#include <bits/stdc++.h>

using std::vector;
using std::array;
using std::pair;
using std::tuple;

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int N, K;
    std::cin >> N >> K;
    vector<int> A(N);
    for (auto& x : A) {
        std::cin >> x;
    }    
    for (int l = 0; l < N; ++l) {
        for (int k = 1; l + k * K <= N; ++k) {
            bool ok = true;
            for (int i = 0; i < K; ++i) {
                for (int j = 0; j < k; ++j) {
                    if (A[l + j] != A[l + i * k + j]) {
                        ok = false;
                    }
                }
            }
            if (ok) {
                std::cout << k << '\n';
                for (int j = 0; j < k; ++j) {
                    std::cout << A[l + j] << " \n"[j + 1 == k];
                }
                return 0;
            }
        }
    }
    std::cout << -1 << '\n';
    return 0;
}

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