제출 #697457

#제출 시각아이디문제언어결과실행 시간메모리
697457delreyLampice (COCI21_lampice)C++14
50 / 50
1 ms300 KiB
#include <iostream>

using namespace std;

int n, k, a[50];

int main()
{
    cin>>n>>k;
    for(int i = 0; i < n; i++)
        cin>>a[i];
    for(int b = 0; b < n; b++)
    {
        for(int i = 1; b + i * k <= n; i++)
        {
            int patterns = 1;
            for(int j = 1; j < k; j++)
            {
                bool matches = true;
                for(int t = 0; t < i; t++)
                    if(a[b + t] != a[b + j * i + t])
                    {
                        matches = false;
                        break;
                    }
                if(!matches)
                    break;
                patterns++;
            }
            if(patterns == k)
            {
                cout<<i<<endl;
                for(int t = 0; t < i; t++)
                    cout<<a[b + t]<<" ";
                return 0;
            }

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