fork(1) download 
  1. #include <iostream>
  2. #include <set>
  3. #include <cstring>
  4.  
  5. using namespace std;
  6.  
  7. typedef struct 
  8. {
  9.    char grid[7];
  10. } wrap;
  11.  
  12. bool compare(wrap w1, wrap w2)
  13. {
  14.    return strcmp(w1.grid, w2.grid) == -1;
  15. }
  16. set <wrap, bool(*)(wrap, wrap)> myset(compare);
  17.  
  18. int main() {
  19. 	wrap w1 { "abcdef" };
  20. 	wrap w2 { "ABCDEF" };
  21. 	myset.insert(w1);
  22. 	myset.insert(w2);
  23. 	std::cout << myset.begin()->grid[0] << '\n';
  24. }
Success #stdin #stdout 0s 3428KB
comments (?)
stdin 
Standard input is empty
stdout 
A
https://ideone.com/FftZ8d
language:
C++14 (gcc 8.3)
created:
11 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!