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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.  
  11. 	static List<Integer> match(int n, List<String> li)
  12. 	{
  13. 		int mat[][]=new int[200005][28];
  14.  
  15. 		List<Integer> ans=new ArrayList<>();
  16.  
  17. 		for(int i=0;i<n;i++)
  18. 		ans.add(0);
  19.  
  20. 		for(int i=n-1;i>=0;i--)
  21. 		{
  22. 			String s=li.get(i);
  23. 			int len=s.length();
  24.  
  25. 			int c=0;
  26. 			for(int j=0;j<len;j++)
  27. 			{
  28. 				int y=s.charAt(j)-'a';
  29. 				c+=mat[j][y];
  30. 				mat[j][y]=mat[j][y]+1;
  31.  
  32. 			}
  33. 			ans.set(i,c);
  34. 		}
  35. 		return ans;
  36. 	}
  37. 	public static void main (String[] args) throws java.lang.Exception
  38. 	{
  39. 		// your code goes here
  40. 		Scanner sc=new Scanner(System.in);
  41. 		int n=sc.nextInt();
  42. 		List<String> li=new ArrayList<>();
  43.  
  44. 		for(int i=0;i<n;i++)
  45. 		{
  46. 			String s=sc.next();
  47. 			li.add(s);
  48. 		}
  49.  
  50. 		List<Integer> ans= match(n,li);
  51. 		System.out.println(ans);
  52.  
  53. 	}
  54. }
Success #stdin #stdout 0.12s 81076KB
comments (?)
stdin
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3
abc 
ade
abc
stdout
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[4, 1, 0]
https://ideone.com/zNGsic
language:
Java (HotSpot 12)
created:
13 hours ago
visibility:
public

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