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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int main() {
  6.     int t;
  7.     cin >> t;
  8.     while(t--){
  9.     	int n;
  10.     	cin >> n;
  11.     	int x[n];
  12.     	for(int i=0;i<n;i++){
  13.     		cin >> x[i];
  14.     	}
  15.     	//cout << x[1] - x[0] << endl;
  16.     	if(n > 2 || (x[1] - x[0]) <= 1)
  17.     		cout << "NO\n";
  18.     	else
  19.     		cout << "YES\n";
  20.     }
  21. }
  22.  
Success #stdin #stdout 0.01s 5268KB
comments (?)
stdin
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3
2
3 8
2
5 6
6
1 2 3 4 5 10
stdout
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YES
NO
NO
https://ideone.com/ZUzPnS
language:
C++ 4.3.2 (gcc-4.3.2)
created:
2 days ago
visibility:
public

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