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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. string reverse(string& s, int l,int r) {
  5. 	return l < r ? swap(s[l],s[r]), reverse(s,l+1,r-1) : s; }
  6.  
  7. int main() {
  8. 	const int N = 26;
  9. 	int n;
  10. 	cin >> n; 
  11. 	string s(n*N,'a');
  12. 	for (int k = 0, i = 0; i < n; ++i)
  13. 		for (int j = 0; j < N; ++j)
  14. 			s[k++] += j;
  15. 	s = reverse(s,0,s.length()-1); }
  16.  
Success #stdin #stdout 0s 6672KB
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https://ideone.com/7UEdxi
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
secret

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