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  1. #include <iostream>
  2. #include <set>
  3. using namespace std;
  4.  
  5. set<int> foo;
  6. set<int> &setik = foo;
  7.  
  8. void fn()
  9. {
  10. 	set<int> temp;
  11. 	temp.insert(5);
  12. 	setik = temp;
  13. }
  14.  
  15. int main() {
  16. 	fn();
  17. 	setik.size();
  18. 	return 0;
  19. }
Success #stdin #stdout 0.01s 3708KB
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stdout 
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https://ideone.com/W4JVuL
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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