Submission #63495288

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#include <bits/stdc++.h>
#define endl "\n"
#define N 200005
#define  PII  pair<i64,i64> 
#define  PSI  pair<string,int>
using namespace std;
using i64 = long long;
using i128 = __int128;
using u32 = unsigned;
using u64 = unsigned long long;
using u128 = unsigned __int128;
int a[N];
void solve(){    
  int n;
  cin>>n;
  for(int i=1;i<=n;i++){
    cin>>a[i];
  }
 
 
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#include <bits/stdc++.h>
#define endl "\n"
#define N 200005
#define  PII  pair<i64,i64> 
#define  PSI  pair<string,int>
using namespace std;

using i64 = long long;
using i128 = __int128;
using u32 = unsigned;
using u64 = unsigned long long;
using u128 = unsigned __int128;

int a[N];

void solve(){    
	int n;
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>a[i];
	}
	bool flag=false;
	for(int i=1;i<=n-2;i++){
		if(a[i]==a[i+1]&&a[i+1]==a[i+2]){
			flag=true;
			break;
		}
	}
	if(flag){
		cout<<"Yes"<<endl;
	}else{
		cout<<"No"<<endl;
	}
}

int main(){
	ios::sync_with_stdio(false);
	cin.tie(nullptr),cout.tie(nullptr);
	int t=1;
//	cin>>t;
	while(t--){
		solve();
	}
	return 0;
}

/*



*/

Submission Info

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