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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 	Scanner in=new Scanner(System.in);
  13. 	int t=in.nextInt();
  14. 	while(t-->0)
  15. 	{
  16. 		int n=in.nextInt();
  17. 		long[] arr=new long[n];
  18. 		arr[0]=in.nextLong();
  19. 		long max=arr[0];
  20. 		int c=0;
  21. 		for(int i=1;i<n;i++)
  22. 		{
  23. 			arr[i]=in.nextLong();
  24. 			if(arr[i]<max)
  25. 			{
  26. 			max=arr[i];
  27. 			c=i;
  28. 			}
  29. 		}
  30. 		long[] arr1=new long[n];
  31. 		int j=0;boolean b=true;
  32. 		if(c==0&&arr[0]==arr[n-1])
  33. 		{
  34. 		for(int i=2;i<(n-1);i++)
  35. 		if(arr[i]<arr[i-1])
  36. 		b=false;
  37. 		if(b)
  38. 		System.out.println("YES");
  39. 		else
  40. 		System.out.println("NO");	
  41. 		}
  42. 		else
  43. 		{
  44. 		for(int i=c;i<n;i++)
  45. 		{
  46. 		arr1[j]=arr[i];
  47. 		j++;
  48. 		}
  49. 		for(int i=0;i<c;i++)
  50. 		{
  51. 		arr1[j]=arr[i];
  52. 		j++;
  53. 		}
  54. 		for(int i=1;i<n;i++)
  55. 		if(arr1[i]<arr1[i-1])
  56. 		b=false;
  57. 		if(b)
  58. 		System.out.println("YES");
  59. 		else
  60. 		System.out.println("NO");
  61. 	}}
  62. 	}
  63. }
Success #stdin #stdout 0.06s 2184192KB
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2
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stdout
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YES
YES
https://ideone.com/exI2Cf
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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