fork(105) download
copy 
  1. #include <iostream>
  2. #include <string>
  3. #include <set>
  4. using namespace std;
  5.  
  6. int main() {
  7.     auto lexical_compare = [](int a, int b) { return to_string(a) < to_string(b); };
  8.     set<int, decltype(lexical_compare)> s(lexical_compare);
  9.  
  10.     s.insert(1);
  11.     s.insert(10);
  12.     s.insert(11);
  13.     s.insert(100);
  14.  
  15.     for (int x : s)
  16.         cout << x << ' ';
  17.  
  18.     return 0;
  19. }
Success #stdin #stdout 0s 16064KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
1 10 100 11
https://ideone.com/WAu8EU
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!