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  1. #include <algorithm>
  2. #include <iostream>
  3. #include <vector>
  4.  
  5.  
  6.  
  7. void foo(std::vector<int> v, int n)
  8. {
  9. #if 1
  10. 	std::sort(v.begin(), v.end());
  11. 	v.erase(std::unique(v.begin(), v.end()), v.end());
  12. #endif
  13.  
  14. 	for (const auto& e1 : v)
  15. 	{
  16. 		for (const auto& e2 : v)
  17. 		{
  18. 			if (e2 == e1) {
  19. 				continue;
  20. 			}
  21. 			for (const auto& e3 : v)
  22. 			{
  23. 				if (e3 == e1 || e3 == e2) {
  24. 					continue;
  25. 				}
  26. 				if (e1 >= e2 + e3 || e2 >= e1 + e3 || e3 >= e1 + e2) {
  27. 					continue;
  28. 				}
  29. 				const auto total = e1 + e2 + e3;
  30. 				std::cout << e1 << "+"  << e2 << "+"  << e3 << "=" << total;
  31. 				if (total < n) {
  32. 					std::cout << " is less than " << n << std::endl;
  33. 				} else if (total == n) {
  34. 					std::cout << " is equal to " << n << std::endl;
  35. 				} else {
  36. 					std::cout << " is more than " << n << std::endl;
  37. 				}
  38. 			}
  39. 		}
  40. 	}
  41. }
  42.  
  43.  
  44.  
  45.  
  46. int main() {
  47. 	foo({1, 2, 3, 3, 4, 5}, 11);
  48. }
Success #stdin #stdout 0s 3416KB
comments (?)
stdin 
Standard input is empty
stdout 
2+3+4=9 is less than 11
2+4+3=9 is less than 11
2+4+5=11 is equal to 11
2+5+4=11 is equal to 11
3+2+4=9 is less than 11
3+4+2=9 is less than 11
3+4+5=12 is more than 11
3+5+4=12 is more than 11
4+2+3=9 is less than 11
4+2+5=11 is equal to 11
4+3+2=9 is less than 11
4+3+5=12 is more than 11
4+5+2=11 is equal to 11
4+5+3=12 is more than 11
5+2+4=11 is equal to 11
5+3+4=12 is more than 11
5+4+2=11 is equal to 11
5+4+3=12 is more than 11
https://ideone.com/EyMmY7
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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