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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Codechef
  6. {
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9. 		// your code goes here
  10. 		Scanner sc=new Scanner(System.in);
  11. 		int t=sc.nextInt();
  12. 		while(t-->0){
  13. 		    int n=sc.nextInt();
  14. 		    int []nums=new int[n];
  15. 		    for(int i=0;i<n;i++){
  16. 		        nums[i]=sc.nextInt();
  17. 		    }
  18. 		    long out=solve(nums,n);   // 1<=nums[i]<=10^9 -->long
  19. 		    System.out.println(out);
  20. 		}
  21. 		sc.close();
  22. 	}
  23. 	public static long solve(int []nums,int n){
  24. 	    int []p=new int[n+1];
  25. 	    int[]s=new int[n+2];
  26. 	    for(int i=1;i<n;i++){
  27. 	        if(i>1&& nums[i-1]>=nums[i]){
  28. 	            p[i]=p[i-1]+1;
  29. 	        }else{
  30. 	            p[i]=1;
  31. 	        }
  32. 	    }
  33. 	    for(int i=n;i>=1;i--){
  34. 	        if(i+1<n && nums[i]<=nums[i+1]){
  35. 	            s[i]=s[i+1]+1;
  36. 	        }else{
  37. 	            s[i]=1;
  38. 	        }
  39. 	    }
  40. 	    long max=0;
  41. 	    for (int i=1;i<=n;i++){
  42.             max=Math.max(max,p[i]+s[i]-1);
  43.         }
  44. 	    return max;
  45. 	}
  46. }
Success #stdin #stdout 0.18s 56524KB
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https://ideone.com/Xpgfdr
language:
Java (HotSpot 12)
created:
5 hours ago
visibility:
public

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