Submission #530923

#	Time	Username	Problem	Language	Result	Execution time	Memory
530923		ivls	Lampice (COCI21_lampice)	C++14	50 / 50	1 ms	320 KiB

Main

#include <bits/stdc++.h>

using namespace std;

mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());

using ll = long long;

const int inf = 2e9;

int main()
{
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    int n, k;
    cin >> n >> k;
    int a[n];
    for (int i = 0; i < n; i++) cin >> a[i];
    for (int l = 0; l < n; l++)
        for (int r = l; r < n; r++)
            if ((r - l + 1) % k == 0)
            {
                set<vector<int>> p;
                vector<int> cur;
                for (int i = l; i <= r; i++)
                {
                    cur.push_back(a[i]);
                    if (cur.size() == (r - l + 1) / k)
                    {
                        p.insert(cur);
                        cur.clear();
                    }
                }
                if (p.size() == 1)
                {
                    cout << (*p.begin()).size() << "\n";
                    for (auto u : *p.begin()) cout << u << " ";
                    return 0;
                }
            }
    cout << -1;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:27:36: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   27 |                     if (cur.size() == (r - l + 1) / k)
      |                         ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~

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