제출 #798752

#제출 시각아이디문제언어결과실행 시간메모리
798752tlnk07Lampice (COCI21_lampice)C++17
50 / 50
1 ms328 KiB
#include<bits/stdc++.h> using namespace std; long long n, m, a[51]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cin >> n >> m; for(int i = 1; i <= n; ++i) cin >> a[i]; if(m == 1 && n > 0) { cout << "1\n" << a[1]; return 0; } for(int i = 1; i <= n / m; ++i) { for(int j = 1; j <= n - m * i + 1; ++j) { bool check = 0; for(int l = 0; l < m - 1; ++l) for(int h = 0; h < i; ++h) if(a[j + h + l * i] != a[j + h + (l + 1) * i]) check = 1; if(!check) { cout << i << "\n"; for(int h = 0; h < i; ++h) { cout << a[j + h] << " "; } return 0; } } } cout << -1; }
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