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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. string comp(string s)
  5. {
  6. 	char cur = 0;int c = 0;
  7. 	string res = "";
  8. 	for(int i=0;i<s.length();i++)
  9. 	{
  10. 		if(s[i] == cur)
  11. 		{
  12. 			c++;
  13. 		}
  14. 		else
  15. 		{
  16. 			if(c != 0)res.append(to_string(c));
  17. 			res.append(1,s[i]);
  18. 			c = 1;
  19. 			cur = s[i];
  20. 		}
  21. 	}
  22. 	res.append(to_string(c));
  23. 	return res;
  24. }
  25.  
  26. int main() {
  27. 	string s;
  28. 	cin >> s;
  29. 	cout << comp(s) << endl;
  30. 	return 0;
  31. }
Success #stdin #stdout 0s 15240KB
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stdin
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abcdef
stdout
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a1b1c1d1e1f1
https://ideone.com/DycFWQ
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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