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  1. #include <iostream>
  2. #include<bits/stdc++.h>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7. 	// your code goes here
  8. 	int n;
  9. 	cin>>n;
  10. 	vector<string> arr(n);
  11. 	for(int i=0;i<n;i++){
  12. 		cin>>arr[i];
  13.  
  14. 	}
  15.  
  16. 	vector<vector<int>> hashing(26,vector<int>(100000+1,0));
  17. 	vector<int> ans(n,0);
  18.  
  19.  
  20. 	for(int i=n-1;i>=0;i--){
  21. 		int c=0;
  22. 		for(int j=0;j<arr[i].size();j++){
  23. 			c=c+hashing[arr[i][j]-'a'][j];
  24. 			hashing[arr[i][j]-'a'][j]++;
  25.  
  26. 		}
  27. 		ans[i]=c;
  28.  
  29. 	}
  30.  
  31. 	for(int i=0;i<n;i++){
  32. 		cout<<ans[i]<<" ";
  33.  
  34. 	}
  35. 	return 0;
  36. }
Success #stdin #stdout 0.01s 13756KB
comments (?)
stdin
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3
abc ade abc
stdout
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4 1 0
https://ideone.com/qpuCeo
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
public

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