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  1. #include <iostream>
  2. #include<bits/stdc++.h>
  3. using namespace std;
  4.  
  5. int main() {
  6.  
  7. 	string s;
  8. 	cin>>s;
  9. 	int n = s.size();
  10. 	vector<int>arr(26);
  11. 	for(int i = 0 ; i<n;i++){
  12. 		int x = i ; 
  13. 		int y = n-i-1;
  14. 		arr[s[i]-'a']+=(x+1)*(y+1);
  15. 	}
  16. 	int max_freq=INT_MIN;
  17. 	char c;
  18. 	for(int i = 0 ; i<26;i++){
  19. 		if(arr[i]>max_freq){
  20. 			max_freq = arr[i];
  21. 			c = char(97+i);
  22. 		}
  23. 	}
  24. 	cout<<c;
  25. 	// your code goes here
  26. 	return 0;
  27. }
Success #stdin #stdout 0s 5324KB
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https://ideone.com/Eb6uz1
language:
C++ (gcc 8.3)
created:
17 hours ago
visibility:
public

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