제출 #1017203

#제출 시각아이디문제언어결과실행 시간메모리
1017203vjudge1Lampice (COCI21_lampice)C++17
10 / 50
1 ms600 KiB
#include <iostream>
using namespace std;

int main() {
    int n,k,a[51];
    int counter = 0;
    cin >> n >> k;
    for(int i = 0;i < n;i++) {
        cin >> a[i];
    }
    for(int i = 0;i < n;i++) {
        if(a[i] == a[i+1]) counter++;
        if(counter == k-1) {
            cout << 1 << "\n" << a[i];
            break;
        }
        if(a[i] != a[i+1])counter=0;
    }
    if(counter < k-1) cout << -1;
}
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