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  1. #include <iostream>
  2. #include <unordered_map>
  3. #include <string>
  4. #include <algorithm>
  5.  
  6. using namespace std;
  7.  
  8. int main()
  9. {
  10.     string text = "jgjksdghkjsdhgkjadgbasguebueyrgbfyuyfdsvyatfs";
  11. 	unordered_map<char, int> chars;
  12.  
  13. 	for (auto c : text) ++chars[c];
  14.  
  15. 	auto comp = [&chars](char c1, char c2)
  16. 		{ return chars[c1] > chars[c2]; };
  17.  
  18. 	sort( begin(text), end(text), comp );
  19.  
  20. 	cout << text;
  21.     return 0;
  22. }
Success #stdin #stdout 0s 3032KB
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stdin
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Standard input is empty
stdout
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ggggggsssssjjyjdyyyddjdffakkfuaabkububeehhrvt
https://ideone.com/odK1Wg
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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