Submission #63503604

Source Code Expand

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define TRACE 1
#define tcout TRACE && cout
#define int long long
#define fst ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define pri priority_queue
const int P = 998244353;
const int INF = 0x3f3f3f3f3f3f3f3f;
const int N = 1e5+10, M = 1e8 + 10;
int a[N];
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

#include <bits/stdc++.h>

using namespace std;

#define endl '\n'

#define TRACE 1
#define tcout TRACE && cout

#define int long long

#define fst ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);

#define pri priority_queue

const int P = 998244353;

const int INF = 0x3f3f3f3f3f3f3f3f;

const int N = 1e5+10, M = 1e8 + 10;
int a[N];
signed main()
{
	fst
	int n;
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>a[i];
		if(i>2&&a[i]==a[i-1]&&a[i-1]==a[i-2]){
			cout<<"Yes";
			return 0;
		}
	}
	cout<<"No";
	return 0;
}

Submission Info

Judge Result