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  1. #include <iostream>
  2. #include <string>
  3. #include <set>
  4. using namespace std;
  5.  
  6. struct lexical_compare {
  7. 	bool operator() (int a, int b) const {
  8. 		//return to_string(a) > to_string(b);
  9. 		return a > b;
  10. 	}
  11. };
  12.  
  13. int main() {
  14.     set<int, lexical_compare> s;
  15.  
  16.     s.insert(1);
  17.     s.insert(10);
  18.     s.insert(11);
  19.     s.insert(100);
  20.  
  21.     for (int x : s)
  22.         cout << x << ' ';
  23.  
  24.     return 0;
  25. }
Success #stdin #stdout 0.01s 5516KB
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stdin
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Standard input is empty
stdout
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100 11 10 1
https://ideone.com/VERInR
language:
C++14 (gcc 8.3)
created:
1 year ago
visibility:
public

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