Submission #798998

#	Time	Username	Problem	Language	Result	Execution time	Memory
798998		Tunglam07	Lampice (COCI21_lampice)	C++17	50 / 50	1 ms	320 KiB

Main

#include<bits/stdc++.h>
using namespace std;
 
int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);	
	cout.tie(0);
	long long n, m, a[51];
	bool ck=0;
	cin >> n >> m;
	if(m == 1)
	{
		cin >> a[0];
		cout << 1 << endl;
		cout << a[0];
	}
	else
	{	for(int i = 1; i <= n; i++)	
		{
			cin >> a[i];
		}
		int num=n/m;
		for(int i = 1; i <= num; i++)
		{
			int num1 = n-m*i+1;
			for(int j = 1; j <= n-m*i+1; j++)
			{
				ck = 0;
				for(int k = 0; k < m - 1; k++)	
				{
					for(int z = 0; z < i; z++)	
					{
						if(a[j + z + k * i] != a[j + z + (k + 1) * i]) 
						{
							ck = 1;
						}
					}
				}
				if(!ck)
				{
					cout << i << endl;
					for(int z = 0; z < i; z++)
					{
						cout << a[j + z] << " ";
					}
					return 0;
				}
			}
		}
		cout << -1;
	}
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:26:8: warning: unused variable 'num1' [-Wunused-variable]
   26 |    int num1 = n-m*i+1;
      |        ^~~~

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