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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. /* Name of the class has to be "Main" only if the class is public. */
  6. class Ideone
  7. {
  8. 	public static void main (String[] args) throws java.lang.Exception
  9. 	{
  10. 		// your code goes here
  11. 		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
  12. 	   PrintWriter out = new PrintWriter(System.out,true);
  13. 	   //StringTokenizer st = new StringTokenizer(br.readLine());
  14. 	   int t = Integer.parseInt(br.readLine());
  15. 	   while(t-->0){
  16. 		   int n = Integer.parseInt(br.readLine());
  17. 		   StringTokenizer st = new StringTokenizer(br.readLine());
  18. 		   long[] a = new long[n];
  19. 		   for(int i =0;i<n;i++){
  20. 			   a[i] = Long.parseLong(st.nextToken());
  21. 		   }
  22. 		   boolean yes = true;
  23. 		  int[] mark = new int[n];
  24. 		  mark[0] = 0;
  25. 		  for(int i =0;i<n-1;i++){
  26. 		  	if(a[i]<a[i+1] && mark[i+1] == 1){
  27. 		  		yes = false;
  28. 		  		break;
  29. 		  	}
  30. 		  	else if(a[i]>a[i+1]){
  31. 		  		a[i] = a[i]^a[i+1];
  32. 		  		a[i+1] = a[i]^a[i+1];
  33. 		  		a[i] = a[i]^a[i+1];
  34. 		  		mark[i+1] = 1;
  35. 		  	}
  36. 		  }
  37. 		  for(int i =0;i<n-1;i++){
  38. 		  	if(a[i]>a[i+1]){
  39. 		  		yes = false;
  40. 		  		break;
  41. 		  	}
  42. 		  }
  43. 		  if(yes)out.println("YES");
  44. 		  else out.println("NO");
  45. 	   }
  46. 	}
  47. }
Runtime error #stdin #stdout #stderr 0.1s 320512KB
comments (?)
stdin
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1 
6
1 2 3 4 5 0
stdout
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Standard output is empty
stderr
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Exception in thread "main" java.lang.NumberFormatException: For input string: "1 "
	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
	at java.lang.Integer.parseInt(Integer.java:580)
	at java.lang.Integer.parseInt(Integer.java:615)
	at Ideone.main(Main.java:14)
https://ideone.com/pETe7Q
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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